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 1.42 2008/02/11 11:06:31 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 "match.h"
  39 #include "tool.h"
  40 #include "parse.h"
  41 #include "irc-write.h"
  42
  43 #include "exp.h"
  44 #include "irc-info.h"
  45
  46
  47 GLOBAL bool
  48 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  49 {
  50         CLIENT *target, *prefix;
  51
  52         assert( Client != NULL );
  53         assert( Req != NULL );
  54
  55         /* Falsche Anzahl Parameter? */
  56         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  57
  58         /* Ziel suchen */
  59         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  60         else target = Client_ThisServer( );
  61
  62         /* Prefix ermitteln */
  63         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  64         else prefix = Client;
  65         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  66
  67         /* An anderen Server weiterleiten? */
  68         if( target != Client_ThisServer( ))
  69         {
  70                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  71
  72                 /* forwarden */
  73                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  74                 return CONNECTED;
  75         }
  76
  77         /* mit Versionsinfo antworten */
  78         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  79         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  80         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  81         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  82
  83         IRC_SetPenalty( Client, 1 );
  84         return CONNECTED;
  85 } /* IRC_ADMIN */
  86
  87
  88 GLOBAL bool
  89 IRC_ISON( CLIENT *Client, REQUEST *Req )
  90 {
  91         char rpl[COMMAND_LEN];
  92         CLIENT *c;
  93         char *ptr;
  94         int i;
  95
  96         assert( Client != NULL );
  97         assert( Req != NULL );
  98
  99         /* Falsche Anzahl Parameter? */
 100         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 101
 102         strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
 103         for( i = 0; i < Req->argc; i++ )
 104         {
 105                 ptr = strtok( Req->argv[i], " " );
 106                 while( ptr )
 107                 {
 108                         ngt_TrimStr( ptr );
 109                         c = Client_Search( ptr );
 110                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 111                         {
 112                                 /* Dieser Nick ist "online" */
 113                                 strlcat( rpl, ptr, sizeof( rpl ));
 114                                 strlcat( rpl, " ", sizeof( rpl ));
 115                         }
 116                         ptr = strtok( NULL, " " );
 117                 }
 118         }
 119         ngt_TrimLastChr(rpl, ' ');
 120
 121         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 122 } /* IRC_ISON */
 123
 124
 125 GLOBAL bool
 126 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 127 {
 128         CLIENT *target, *from, *c;
 129         char *mask;
 130
 131         assert( Client != NULL );
 132         assert( Req != NULL );
 133
 134         /* Falsche Anzahl Parameter? */
 135         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 136
 137         /* Server-Mask ermitteln */
 138         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 139         else mask = "*";
 140
 141         /* Absender ermitteln */
 142         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 143         else from = Client;
 144         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 145
 146         /* An anderen Server forwarden? */
 147         if( Req->argc == 2 )
 148         {
 149                 target = Client_Search( Req->argv[0] );
 150                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 151                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 152         }
 153
 154         /* Wer ist der Absender? */
 155         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 156         else target = Client;
 157         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 158
 159         c = Client_First( );
 160         while( c )
 161         {
 162                 if( Client_Type( c ) == CLIENT_SERVER )
 163                 {
 164                         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;
 165                 }
 166                 c = Client_Next( c );
 167         }
 168
 169         IRC_SetPenalty( target, 1 );
 170         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 171 } /* IRC_LINKS */
 172
 173
 174 GLOBAL bool
 175 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 176 {
 177         CLIENT *target, *from;
 178
 179         assert( Client != NULL );
 180         assert( Req != NULL );
 181
 182         /* Falsche Anzahl Parameter? */
 183         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 184
 185         /* Absender ermitteln */
 186         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 187         else from = Client;
 188         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 189
 190         /* An anderen Server forwarden? */
 191         if( Req->argc == 2 )
 192         {
 193                 target = Client_Search( Req->argv[1] );
 194                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 195                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 196         }
 197
 198         /* Wer ist der Absender? */
 199         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 200         else target = Client;
 201         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 202
 203         IRC_Send_LUSERS( target );
 204
 205         IRC_SetPenalty( target, 1 );
 206         return CONNECTED;
 207 } /* IRC_LUSERS */
 208
 209
 210 GLOBAL bool
 211 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 212 {
 213         CLIENT *from, *target;
 214
 215         assert( Client != NULL );
 216         assert( Req != NULL );
 217
 218         /* Falsche Anzahl Parameter? */
 219         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 220
 221         /* From aus Prefix ermitteln */
 222         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 223         else from = Client;
 224         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 225
 226         if( Req->argc == 1 )
 227         {
 228                 /* an anderen Server forwarden */
 229                 target = Client_Search( Req->argv[0] );
 230                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 231
 232                 if( target != Client_ThisServer( ))
 233                 {
 234                         /* Ok, anderer Server ist das Ziel: forwarden */
 235                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 236                 }
 237         }
 238
 239         IRC_SetPenalty( from, 3 );
 240         return IRC_Show_MOTD( from );
 241 } /* IRC_MOTD */
 242
 243
 244 GLOBAL bool
 245 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 246 {
 247         char rpl[COMMAND_LEN], *ptr;
 248         CLIENT *target, *from, *c;
 249         CHANNEL *chan;
 250
 251         assert( Client != NULL );
 252         assert( Req != NULL );
 253
 254         /* Falsche Anzahl Parameter? */
 255         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 256
 257         /* From aus Prefix ermitteln */
 258         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 259         else from = Client;
 260         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 261
 262         if( Req->argc == 2 )
 263         {
 264                 /* an anderen Server forwarden */
 265                 target = Client_Search( Req->argv[1] );
 266                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 267
 268                 if( target != Client_ThisServer( ))
 269                 {
 270                         /* Ok, anderer Server ist das Ziel: forwarden */
 271                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 272                 }
 273         }
 274
 275         if( Req->argc > 0 )
 276         {
 277                 /* bestimmte Channels durchgehen */
 278                 ptr = strtok( Req->argv[0], "," );
 279                 while( ptr )
 280                 {
 281                         chan = Channel_Search( ptr );
 282                         if( chan )
 283                         {
 284                                 /* Namen ausgeben */
 285                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 286                         }
 287                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 288
 289                         /* naechsten Namen ermitteln */
 290                         ptr = strtok( NULL, "," );
 291                 }
 292                 return CONNECTED;
 293         }
 294
 295         /* alle Channels durchgehen */
 296         chan = Channel_First( );
 297         while( chan )
 298         {
 299                 /* Namen ausgeben */
 300                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 301
 302                 /* naechster Channel */
 303                 chan = Channel_Next( chan );
 304         }
 305
 306         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 307         c = Client_First( );
 308         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 309         while( c )
 310         {
 311                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 312                 {
 313                         /* Okay, das ist ein User: anhaengen */
 314                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 315                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 316
 317                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 318                         {
 319                                 /* Zeile wird zu lang: senden! */
 320                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 321                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 322                         }
 323                 }
 324
 325                 /* naechster Client */
 326                 c = Client_Next( c );
 327         }
 328         if( rpl[strlen( rpl ) - 1] != ':')
 329         {
 330                 /* es wurden User gefunden */
 331                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 332         }
 333
 334         IRC_SetPenalty( from, 1 );
 335         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 336 } /* IRC_NAMES */
 337
 338
 339 static unsigned int
 340 t_diff(time_t *t, const time_t div)
 341 {
 342         time_t diff, remain;
 343
 344         diff = *t / div;
 345
 346         remain = diff * div;
 347         *t -= remain;
 348
 349         return diff;
 350 }
 351
 352
 353 static unsigned int
 354 uptime_days(time_t *now)
 355 {
 356         return t_diff(now, 60 * 60 * 24);
 357 }
 358
 359
 360 static unsigned int
 361 uptime_hrs(time_t *now)
 362 {
 363         return t_diff(now, 60 * 60);
 364 }
 365
 366
 367 static unsigned int
 368 uptime_mins(time_t *now)
 369 {
 370          return t_diff(now, 60);
 371 }
 372
 373
 374 GLOBAL bool
 375 IRC_STATS( CLIENT *Client, REQUEST *Req )
 376 {
 377         CLIENT *from, *target, *cl;
 378         CONN_ID con;
 379         char query;
 380         COMMAND *cmd;
 381         time_t time_now;
 382         unsigned int days, hrs, mins;
 383
 384         assert( Client != NULL );
 385         assert( Req != NULL );
 386
 387         /* Falsche Anzahl Parameter? */
 388         if (Req->argc > 2)
 389                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
 390
 391         /* From aus Prefix ermitteln */
 392         if (Client_Type(Client) == CLIENT_SERVER)
 393                 from = Client_Search(Req->prefix);
 394         else
 395                 from = Client;
 396
 397         if (! from)
 398                 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
 399
 400         if (Req->argc == 2) {
 401                 /* an anderen Server forwarden */
 402                 target = Client_Search( Req->argv[1] );
 403                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
 404                         return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 405
 406                 if( target != Client_ThisServer()) {
 407                         /* Ok, anderer Server ist das Ziel: forwarden */
 408                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 409                 }
 410         }
 411
 412         if (Req->argc > 0)
 413                 query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 414         else
 415                 query = '*';
 416
 417         switch (query) {
 418                 case 'l':       /* Links */
 419                 case 'L':
 420                         time_now = time(NULL);
 421                         for (con = Conn_First(); con != NONE ;con = Conn_Next(con)) {
 422                                 cl = Conn_GetClient(con);
 423                                 if (!cl)
 424                                         continue;
 425                                 if ((Client_Type(cl) == CLIENT_SERVER) || (cl == Client)) {
 426                                         /* Server link or our own connection */
 427 #ifdef ZLIB
 428                                         if (Conn_Options(con) & CONN_ZIP) {
 429                                                 if (!IRC_WriteStrClient(from, RPL_STATSLINKINFOZIP_MSG,
 430                                                         Client_ID(from), Client_Mask(cl), Conn_SendQ(con),
 431                                                         Conn_SendMsg(con), Zip_SendBytes(con), Conn_SendBytes(con),
 432                                                         Conn_RecvMsg(con), Zip_RecvBytes(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
 433                                                                 return DISCONNECTED;
 434                                                 continue;
 435                                         }
 436 #endif
 437                                         if (!IRC_WriteStrClient(from, RPL_STATSLINKINFO_MSG, Client_ID(from),
 438                                                 Client_Mask(cl), Conn_SendQ(con), Conn_SendMsg(con), Conn_SendBytes(con),
 439                                                 Conn_RecvMsg(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
 440                                                         return DISCONNECTED;
 441                                 }
 442                         }
 443                         break;
 444                 case 'm':       /* IRC-Commands */
 445                 case 'M':
 446                         cmd = Parse_GetCommandStruct( );
 447                         for (; cmd->name ; cmd++) {
 448                                 if (cmd->lcount == 0 && cmd->rcount == 0)
 449                                         continue;
 450                                 if (!IRC_WriteStrClient(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
 451                                                 cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
 452                                                         return DISCONNECTED;
 453                         }
 454                         break;
 455                 case 'u':       /* server uptime */
 456                 case 'U':
 457                         time_now = time(NULL) - NGIRCd_Start;
 458                         days = uptime_days(&time_now);
 459                         hrs = uptime_hrs(&time_now);
 460                         mins = uptime_mins(&time_now);
 461                         if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
 462                                         days, hrs, mins, (unsigned int) time_now))
 463                                                 return DISCONNECTED;
 464                         break;
 465         }
 466
 467         IRC_SetPenalty(from, 2);
 468         return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
 469 } /* IRC_STATS */
 470
 471
 472 GLOBAL bool
 473 IRC_TIME( CLIENT *Client, REQUEST *Req )
 474 {
 475         CLIENT *from, *target;
 476         char t_str[64];
 477         time_t t;
 478
 479         assert( Client != NULL );
 480         assert( Req != NULL );
 481
 482         /* Falsche Anzahl Parameter? */
 483         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 484
 485         /* From aus Prefix ermitteln */
 486         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 487         else from = Client;
 488         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 489
 490         if( Req->argc == 1 )
 491         {
 492                 /* an anderen Server forwarden */
 493                 target = Client_Search( Req->argv[0] );
 494                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 495
 496                 if( target != Client_ThisServer( ))
 497                 {
 498                         /* Ok, anderer Server ist das Ziel: forwarden */
 499                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 500                 }
 501         }
 502
 503         t = time( NULL );
 504         (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
 505         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 506 } /* IRC_TIME */
 507
 508
 509 GLOBAL bool
 510 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 511 {
 512         char rpl[COMMAND_LEN];
 513         CLIENT *c;
 514         int max, i;
 515
 516         assert( Client != NULL );
 517         assert( Req != NULL );
 518
 519         /* Falsche Anzahl Parameter? */
 520         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 521
 522         if( Req->argc > 5 ) max = 5;
 523         else max = Req->argc;
 524
 525         strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
 526         for( i = 0; i < max; i++ )
 527         {
 528                 c = Client_Search( Req->argv[i] );
 529                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 530                 {
 531                         /* Dieser Nick ist "online" */
 532                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 533                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 534                         strlcat( rpl, "=", sizeof( rpl ));
 535                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 536                         else strlcat( rpl, "+", sizeof( rpl ));
 537                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 538                         strlcat( rpl, "@", sizeof( rpl ));
 539                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 540                         strlcat( rpl, " ", sizeof( rpl ));
 541                 }
 542         }
 543         ngt_TrimLastChr( rpl, ' ');
 544
 545         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 546 } /* IRC_USERHOST */
 547
 548
 549 GLOBAL bool
 550 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 551 {
 552         CLIENT *target, *prefix;
 553 #ifdef CVSDATE
 554         char ver[12], vertxt[30];
 555 #endif
 556
 557         assert( Client != NULL );
 558         assert( Req != NULL );
 559
 560         /* Falsche Anzahl Parameter? */
 561         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 562
 563         /* Ziel suchen */
 564         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 565         else target = Client_ThisServer( );
 566
 567         /* Prefix ermitteln */
 568         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 569         else prefix = Client;
 570         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 571
 572         /* An anderen Server weiterleiten? */
 573         if( target != Client_ThisServer( ))
 574         {
 575                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 576
 577                 /* forwarden */
 578                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 579                 return CONNECTED;
 580         }
 581
 582         /* mit Versionsinfo antworten */
 583         IRC_SetPenalty( Client, 1 );
 584 #ifdef CVSDATE
 585         strlcpy( ver, CVSDATE, sizeof( ver ));
 586         strncpy( ver + 4, ver + 5, 2 );
 587         strncpy( ver + 6, ver + 8, 3 );
 588         snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
 589         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
 590 #else
 591         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
 592 #endif
 593 } /* IRC_VERSION */
 594
 595
 596
 597 static bool
 598 write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
 599 {
 600         return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client), channelname,
 601                         Client_User(c), Client_Hostname(c), Client_ID(Client_Introducer(c)), Client_ID(c),
 602                         flags, Client_Hops(c), Client_Info(c));
 603 }
 604
 605
 606 static bool
 607 IRC_Send_WHO(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
 608 {
 609         bool is_visible, is_member, is_ircop;
 610         CL2CHAN *cl2chan;
 611         const char *client_modes;
 612         const char *chan_user_modes;
 613         char flags[8];
 614         CLIENT *c;
 615
 616         assert( Client != NULL );
 617         assert( Chan != NULL );
 618
 619         is_member = Channel_IsMemberOf(Chan, Client);
 620
 621         /* Secret channel? */
 622         if (!is_member && strchr(Channel_Modes(Chan), 's'))
 623                 return CONNECTED;
 624
 625         cl2chan = Channel_FirstMember(Chan);
 626         for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
 627                 c = Channel_GetClient(cl2chan);
 628
 629                 client_modes = Client_Modes(c);
 630                 is_ircop = strchr(client_modes, 'o') != NULL;
 631                 if (OnlyOps && !is_ircop)
 632                         continue;
 633
 634                 is_visible = strchr(client_modes, 'i') == NULL;
 635                 if (is_member || is_visible) {
 636                         if (strchr(client_modes, 'a'))
 637                                 strcpy(flags, "G"); /* away */
 638                         else
 639                                 strcpy(flags, "H");
 640                         if (is_ircop)
 641                                 strlcat(flags, "*", sizeof(flags));
 642
 643                         chan_user_modes = Channel_UserModes(Chan, c);
 644                         if (strchr(chan_user_modes, 'o'))
 645                                 strlcat(flags, "@", sizeof(flags));
 646                         else if (strchr(chan_user_modes, 'v'))
 647                                 strlcat(flags, "+", sizeof(flags));
 648
 649                         if (!write_whoreply(Client, c, Channel_Name(Chan), flags))
 650                                 return DISCONNECTED;
 651                 }
 652         }
 653         return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
 654 } /* IRC_Send_WHO */
 655
 656
 657 static bool
 658 MatchCaseInsensitive(const char *pattern, const char *searchme)
 659 {
 660         char haystack[COMMAND_LEN];
 661
 662         strlcpy(haystack, searchme, sizeof(haystack));
 663
 664         ngt_LowerStr(haystack);
 665
 666         return Match(pattern, haystack);
 667 }
 668
 669
 670 GLOBAL bool
 671 IRC_WHO( CLIENT *Client, REQUEST *Req )
 672 {
 673         bool only_ops, have_arg, client_match;
 674         const char *channelname, *client_modes;
 675         char pattern[COMMAND_LEN];
 676         char flags[4];
 677         CL2CHAN *cl2chan;
 678         CHANNEL *chan, *cn;
 679         CLIENT *c;
 680
 681         assert( Client != NULL );
 682         assert( Req != NULL );
 683
 684         if (Req->argc > 2)
 685                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 686
 687         only_ops = false;
 688         have_arg = false;
 689
 690         if (Req->argc == 2) {
 691                 if (strcmp(Req->argv[1], "o") == 0)
 692                         only_ops = true;
 693 #ifdef STRICT_RFC
 694                 else return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
 695 #endif
 696         }
 697
 698         IRC_SetPenalty(Client, 1);
 699         if (Req->argc >= 1) { /* Channel or Mask. */
 700                 chan = Channel_Search(Req->argv[0]);
 701                 if (chan)
 702                         return IRC_Send_WHO(Client, chan, only_ops);
 703                 if (strcmp(Req->argv[0], "0") != 0) { /* RFC stupidity, same as no arguments */
 704                         have_arg = true;
 705                         strlcpy(pattern, Req->argv[0], sizeof(pattern));
 706                         ngt_LowerStr(pattern);
 707                         IRC_SetPenalty(Client, 3);
 708                 }
 709         }
 710
 711         for (c = Client_First(); c != NULL; c = Client_Next(c)) {
 712                 if (Client_Type(c) != CLIENT_USER)
 713                         continue;
 714                  /*
 715                   * RFC 2812, 3.6.1:
 716                   * In the absence of the parameter, all visible (users who aren't
 717                   * invisible (user mode +i) and who don't have a common channel
 718                   * with the requesting client) are listed.
 719                   *
 720                   * The same result can be achieved by using a [sic] of "0"
 721                   * or any wildcard which will end up matching every visible user.
 722                   *
 723                   * The [sic] passed to WHO is matched against users' host, server, real name and
 724                   * nickname if the channel cannot be found.
 725                   */
 726                 client_modes = Client_Modes(c);
 727                 if (strchr(client_modes, 'i'))
 728                         continue;
 729
 730                 if (only_ops && !strchr(client_modes, 'o'))
 731                         continue;
 732
 733                 if (have_arg) { /* match pattern against user host/server/name/nick */
 734                         client_match = MatchCaseInsensitive(pattern, Client_Hostname(c)); /* user's host */
 735                         if (!client_match)
 736                                 client_match = MatchCaseInsensitive(pattern, Client_ID(Client_Introducer(c))); /* server */
 737                         if (!client_match)
 738                                 client_match = Match(Req->argv[0], Client_Info(c)); /* realname */
 739                         if (!client_match)
 740                                 client_match = MatchCaseInsensitive(pattern, Client_ID(c)); /* nick name */
 741
 742                         if (!client_match) /* This isn't the client you're looking for */
 743                                 continue;
 744                 }
 745
 746                 if (strchr(client_modes, 'a'))
 747                         strcpy(flags, "G"); /* user is away */
 748                 else
 749                         strcpy(flags, "H");
 750
 751                 if (only_ops) /* this client is an operator */
 752                         strlcat(flags, "*", sizeof(flags));
 753
 754                 /* Search suitable channel */
 755                 cl2chan = Channel_FirstChannelOf(c);
 756                 while (cl2chan) {
 757                         cn = Channel_GetChannel(cl2chan);
 758                         if (Channel_IsMemberOf(cn, Client) ||
 759                                     !strchr(Channel_Modes(cn), 's'))
 760                         {
 761                                 channelname = Channel_Name(cn);
 762                                 break;
 763                         }
 764                         cl2chan = Channel_NextChannelOf(c, cl2chan);
 765                 }
 766                 if (!cl2chan)
 767                         channelname = "*";
 768
 769                 if (!write_whoreply(Client, c, channelname, flags))
 770                         return DISCONNECTED;
 771         }
 772
 773         if (Req->argc > 0)
 774                 channelname = Req->argv[0];
 775         else
 776                 channelname = "*";
 777
 778         return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), channelname);
 779 } /* IRC_WHO */
 780
 781
 782 GLOBAL bool
 783 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 784 {
 785         CLIENT *from, *target, *c;
 786         char str[LINE_LEN + 1];
 787         CL2CHAN *cl2chan;
 788         CHANNEL *chan;
 789
 790         assert( Client != NULL );
 791         assert( Req != NULL );
 792
 793         /* Bad number of parameters? */
 794         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 795
 796         /* Search client */
 797         c = Client_Search( Req->argv[Req->argc - 1] );
 798         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 799
 800         /* Search sender of the WHOIS */
 801         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 802         else from = Client;
 803         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 804
 805         /* Forward to other server? */
 806         if( Req->argc > 1 )
 807         {
 808                 /* Search target server (can be specified as nick of that server!) */
 809                 target = Client_Search( Req->argv[0] );
 810                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 811         }
 812         else target = Client_ThisServer( );
 813
 814         assert( target != NULL );
 815
 816         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] );
 817
 818         /* Nick, user and name */
 819         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 820
 821         /* Server */
 822         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;
 823
 824         /* Channels */
 825         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 826         cl2chan = Channel_FirstChannelOf( c );
 827         while( cl2chan )
 828         {
 829                 chan = Channel_GetChannel( cl2chan );
 830                 assert( chan != NULL );
 831
 832                 /* next */
 833                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 834
 835                 /* Secret channel? */
 836                 if( strchr( Channel_Modes( chan ), 's' ) && ! Channel_IsMemberOf( chan, Client )) continue;
 837
 838                 /* Concatenate channel names */
 839                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 840                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 841                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 842                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 843
 844                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 845                 {
 846                         /* Line becomes too long: send it! */
 847                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 848                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 849                 }
 850         }
 851         if( str[strlen( str ) - 1] != ':')
 852         {
 853                 /* There is data left to send: */
 854                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 855         }
 856
 857         /* IRC-Operator? */
 858         if( Client_HasMode( c, 'o' ))
 859         {
 860                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 861         }
 862
 863         /* Idle and signon time (local clients only!) */
 864         if (Client_Conn(c) > NONE ) {
 865                 if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
 866                         Client_ID(from), Client_ID(c),
 867                         (unsigned long)Conn_GetIdle(Client_Conn(c)),
 868                         (unsigned long)Conn_GetSignon(Client_Conn(c))))
 869                                 return DISCONNECTED;
 870         }
 871
 872         /* Away? */
 873         if( Client_HasMode( c, 'a' ))
 874         {
 875                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 876         }
 877
 878         /* End of Whois */
 879         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 880 } /* IRC_WHOIS */
 881
 882
 883 /**
 884  * IRC "WHOWAS" function.
 885  * This function implements the IRC command "WHOWHAS". It handles local
 886  * requests and request that should be forwarded to other servers.
 887  */
 888 GLOBAL bool
 889 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 890 {
 891         CLIENT *target, *prefix;
 892         WHOWAS *whowas;
 893         int max, last, count, i;
 894         char t_str[60];
 895
 896         assert( Client != NULL );
 897         assert( Req != NULL );
 898
 899         /* Wrong number of parameters? */
 900         if(( Req->argc < 1 ) || ( Req->argc > 3 ))
 901                 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
 902                                            Client_ID( Client ), Req->command );
 903
 904         /* Search taget */
 905         if( Req->argc == 3 )
 906                 target = Client_Search( Req->argv[2] );
 907         else
 908                 target = Client_ThisServer( );
 909
 910         /* Get prefix */
 911         if( Client_Type( Client ) == CLIENT_SERVER )
 912                 prefix = Client_Search( Req->prefix );
 913         else
 914                 prefix = Client;
 915
 916         if( ! prefix )
 917                 return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG,
 918                                            Client_ID( Client ), Req->prefix );
 919
 920         /* Forward to other server? */
 921         if( target != Client_ThisServer( ))
 922         {
 923                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
 924                         return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG,
 925                                                    Client_ID( prefix ),
 926                                                    Req->argv[2] );
 927
 928                 /* Forward */
 929                 IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
 930                                           Req->argv[0], Req->argv[1],
 931                                           Req->argv[2] );
 932                 return CONNECTED;
 933         }
 934
 935         whowas = Client_GetWhowas( );
 936         last = Client_GetLastWhowasIndex( );
 937         if( last < 0 ) last = 0;
 938
 939         if( Req->argc > 1 )
 940         {
 941                 max = atoi( Req->argv[1] );
 942                 if( max < 1 ) max = MAX_WHOWAS;
 943         }
 944         else
 945                 max = DEFAULT_WHOWAS;
 946
 947         i = last;
 948         count = 0;
 949         do
 950         {
 951                 /* Used entry? */
 952                 if( whowas[i].time > 0 &&
 953                     strcasecmp( Req->argv[0], whowas[i].id ) == 0 )
 954                 {
 955                         (void)strftime( t_str, sizeof(t_str),
 956                                         "%a %b %d %H:%M:%S %Y",
 957                                         localtime( &whowas[i].time ));
 958
 959                         if( ! IRC_WriteStrClient( prefix, RPL_WHOWASUSER_MSG,
 960                                                   Client_ID( prefix ),
 961                                                   whowas[i].id,
 962                                                   whowas[i].user,
 963                                                   whowas[i].host,
 964                                                   whowas[i].info ))
 965                                 return DISCONNECTED;
 966
 967                         if( ! IRC_WriteStrClient( prefix, RPL_WHOISSERVER_MSG,
 968                                                   Client_ID( prefix ),
 969                                                   whowas[i].id,
 970                                                   whowas[i].server, t_str ))
 971                                 return DISCONNECTED;
 972
 973                         count++;
 974                         if( count >= max ) break;
 975                 }
 976
 977                 /* previos entry */
 978                 i--;
 979
 980                 /* "underflow", wrap around */
 981                 if( i < 0 ) i = MAX_WHOWAS - 1;
 982         } while( i != last );
 983
 984         return IRC_WriteStrClient( prefix, RPL_ENDOFWHOWAS_MSG,
 985                                    Client_ID( prefix ), Req->argv[0] );
 986 } /* IRC_WHOWAS */
 987
 988
 989 GLOBAL bool
 990 IRC_Send_LUSERS( CLIENT *Client )
 991 {
 992         unsigned long cnt;
 993 #ifndef STRICT_RFC
 994         unsigned long max;
 995 #endif
 996
 997         assert( Client != NULL );
 998
 999         /* Users, services and serevers in the network */
1000         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
1001
1002         /* Number of IRC operators */
1003         cnt = Client_OperCount( );
1004         if( cnt > 0 )
1005         {
1006                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
1007         }
1008
1009         /* Unknown connections */
1010         cnt = Client_UnknownCount( );
1011         if( cnt > 0 )
1012         {
1013                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
1014         }
1015
1016         /* Number of created channels */
1017         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
1018
1019         /* Number of local users, services and servers */
1020         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
1021
1022 #ifndef STRICT_RFC
1023         /* Maximum number of local users */
1024         cnt = Client_MyUserCount();
1025         max = Client_MyMaxUserCount();
1026         if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
1027                         cnt, max, cnt, max))
1028                 return DISCONNECTED;
1029         /* Maximum number of users in the network */
1030         cnt = Client_UserCount();
1031         max = Client_MaxUserCount();
1032         if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
1033                         cnt, max, cnt, max))
1034                 return DISCONNECTED;
1035 #endif
1036
1037         return CONNECTED;
1038 } /* IRC_Send_LUSERS */
1039
1040
1041 static bool
1042 Show_MOTD_Start(CLIENT *Client)
1043 {
1044         return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
1045                 Client_ID( Client ), Client_ID( Client_ThisServer( )));
1046 }
1047
1048 static bool
1049 Show_MOTD_Sendline(CLIENT *Client, const char *msg)
1050 {
1051         return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
1052 }
1053
1054 static bool
1055 Show_MOTD_End(CLIENT *Client)
1056 {
1057         return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
1058 }
1059
1060
1061 GLOBAL bool
1062 IRC_Show_MOTD( CLIENT *Client )
1063 {
1064         char line[127];
1065         FILE *fd;
1066
1067         assert( Client != NULL );
1068
1069         if (Conf_MotdPhrase[0]) {
1070                 if (!Show_MOTD_Start(Client))
1071                         return DISCONNECTED;
1072                 if (!Show_MOTD_Sendline(Client, Conf_MotdPhrase))
1073                         return DISCONNECTED;
1074
1075                 return Show_MOTD_End(Client);
1076         }
1077
1078         fd = fopen( Conf_MotdFile, "r" );
1079         if( ! fd ) {
1080                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
1081                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
1082         }
1083
1084         if (!Show_MOTD_Start( Client )) {
1085                 fclose(fd);
1086                 return false;
1087         }
1088
1089         while (fgets( line, (int)sizeof line, fd )) {
1090                 ngt_TrimLastChr( line, '\n');
1091
1092                 if( ! Show_MOTD_Sendline( Client, line)) {
1093                         fclose( fd );
1094                         return false;
1095                 }
1096         }
1097         fclose(fd);
1098         return Show_MOTD_End(Client);
1099 } /* IRC_Show_MOTD */
1100
1101
1102 GLOBAL bool
1103 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
1104 {
1105         bool is_visible, is_member;
1106         char str[LINE_LEN + 1];
1107         CL2CHAN *cl2chan;
1108         CLIENT *cl;
1109
1110         assert( Client != NULL );
1111         assert( Chan != NULL );
1112
1113         if( Channel_IsMemberOf( Chan, Client )) is_member = true;
1114         else is_member = false;
1115
1116         /* Secret channel? */
1117         if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
1118
1119         /* Alle Mitglieder suchen */
1120         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1121         cl2chan = Channel_FirstMember( Chan );
1122         while( cl2chan )
1123         {
1124                 cl = Channel_GetClient( cl2chan );
1125
1126                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
1127                 else is_visible = true;
1128
1129                 if( is_member || is_visible )
1130                 {
1131                         /* Nick anhaengen */
1132                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
1133                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
1134                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
1135                         strlcat( str, Client_ID( cl ), sizeof( str ));
1136
1137                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
1138                         {
1139                                 /* Zeile wird zu lang: senden! */
1140                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1141                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
1142                         }
1143                 }
1144
1145                 /* naechstes Mitglied suchen */
1146                 cl2chan = Channel_NextMember( Chan, cl2chan );
1147         }
1148         if( str[strlen( str ) - 1] != ':')
1149         {
1150                 /* Es sind noch Daten da, die gesendet werden muessen */
1151                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
1152         }
1153
1154         return CONNECTED;
1155 } /* IRC_Send_NAMES */
1156
1157
1158
1159 /**
1160  * Send the ISUPPORT numeric (005).
1161  * This numeric indicates the features that are supported by this server.
1162  * See <http://www.irc.org/tech_docs/005.html> for details.
1163  */
1164 GLOBAL bool
1165 IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
1166 {
1167         if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
1168                                 Conf_MaxJoins))
1169                 return DISCONNECTED;
1170         return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
1171                                   CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
1172                                   COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
1173                                   COMMAND_LEN - 113);
1174 } /* IRC_Send_ISUPPORT */
1175
1176
1177 /* -eof- */