src/ngircd/irc-info.c

   1 /*
   2  * ngIRCd -- The Next Generation IRC Daemon
   3  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  * Please read the file COPYING, README and AUTHORS for more information.
  10  *
  11  * IRC info commands
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 static char UNUSED id[] = "$Id: irc-info.c,v 1.6 2002/12/16 17:14:57 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 #include "ngircd.h"
  26 #include "conn.h"
  27 #include "client.h"
  28 #include "channel.h"
  29 #include "resolve.h"
  30 #include "conf.h"
  31 #include "defines.h"
  32 #include "log.h"
  33 #include "messages.h"
  34 #include "tool.h"
  35 #include "parse.h"
  36 #include "irc-write.h"
  37
  38 #include "exp.h"
  39 #include "irc-info.h"
  40
  41
  42 GLOBAL BOOLEAN
  43 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  44 {
  45         CLIENT *target, *prefix;
  46
  47         assert( Client != NULL );
  48         assert( Req != NULL );
  49
  50         /* Falsche Anzahl Parameter? */
  51         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  52
  53         /* Ziel suchen */
  54         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  55         else target = Client_ThisServer( );
  56
  57         /* Prefix ermitteln */
  58         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  59         else prefix = Client;
  60         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  61
  62         /* An anderen Server weiterleiten? */
  63         if( target != Client_ThisServer( ))
  64         {
  65                 if( ! target ) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  66
  67                 /* forwarden */
  68                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  69                 return CONNECTED;
  70         }
  71
  72         /* mit Versionsinfo antworten */
  73         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  74         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  75         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  76         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  77
  78         return CONNECTED;
  79 } /* IRC_ADMIN */
  80
  81
  82 GLOBAL BOOLEAN
  83 IRC_ISON( CLIENT *Client, REQUEST *Req )
  84 {
  85         CHAR rpl[COMMAND_LEN];
  86         CLIENT *c;
  87         CHAR *ptr;
  88         INT i;
  89
  90         assert( Client != NULL );
  91         assert( Req != NULL );
  92
  93         /* Falsche Anzahl Parameter? */
  94         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  95
  96         strcpy( rpl, RPL_ISON_MSG );
  97         for( i = 0; i < Req->argc; i++ )
  98         {
  99                 ptr = strtok( Req->argv[i], " " );
 100                 while( ptr )
 101                 {
 102                         ngt_TrimStr( ptr );
 103                         c = Client_Search( ptr );
 104                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 105                         {
 106                                 /* Dieser Nick ist "online" */
 107                                 strcat( rpl, ptr );
 108                                 strcat( rpl, " " );
 109                         }
 110                         ptr = strtok( NULL, " " );
 111                 }
 112         }
 113         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 114
 115         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 116 } /* IRC_ISON */
 117
 118
 119 GLOBAL BOOLEAN
 120 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 121 {
 122         CLIENT *target, *from, *c;
 123         CHAR *mask;
 124
 125         assert( Client != NULL );
 126         assert( Req != NULL );
 127
 128         /* Falsche Anzahl Parameter? */
 129         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 130
 131         /* Server-Mask ermitteln */
 132         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 133         else mask = "*";
 134
 135         /* Absender ermitteln */
 136         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 137         else from = Client;
 138         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 139
 140         /* An anderen Server forwarden? */
 141         if( Req->argc == 2 )
 142         {
 143                 target = Client_Search( Req->argv[0] );
 144                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 145                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 146         }
 147
 148         /* Wer ist der Absender? */
 149         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 150         else target = Client;
 151         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 152
 153         c = Client_First( );
 154         while( c )
 155         {
 156                 if( Client_Type( c ) == CLIENT_SERVER )
 157                 {
 158                         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;
 159                 }
 160                 c = Client_Next( c );
 161         }
 162
 163         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 164 } /* IRC_LINKS */
 165
 166
 167 GLOBAL BOOLEAN
 168 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 169 {
 170         CLIENT *target, *from;
 171
 172         assert( Client != NULL );
 173         assert( Req != NULL );
 174
 175         /* Falsche Anzahl Parameter? */
 176         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 177
 178         /* Absender ermitteln */
 179         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 180         else from = Client;
 181         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 182
 183         /* An anderen Server forwarden? */
 184         if( Req->argc == 2 )
 185         {
 186                 target = Client_Search( Req->argv[1] );
 187                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 188                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 189         }
 190
 191         /* Wer ist der Absender? */
 192         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 193         else target = Client;
 194         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 195
 196         IRC_Send_LUSERS( target );
 197
 198         return CONNECTED;
 199 } /* IRC_LUSERS */
 200
 201
 202 GLOBAL BOOLEAN
 203 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 204 {
 205         CLIENT *from, *target;
 206
 207         assert( Client != NULL );
 208         assert( Req != NULL );
 209
 210         /* Falsche Anzahl Parameter? */
 211         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 212
 213         /* From aus Prefix ermitteln */
 214         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 215         else from = Client;
 216         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 217
 218         if( Req->argc == 1 )
 219         {
 220                 /* an anderen Server forwarden */
 221                 target = Client_Search( Req->argv[0] );
 222                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 223
 224                 if( target != Client_ThisServer( ))
 225                 {
 226                         /* Ok, anderer Server ist das Ziel: forwarden */
 227                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 228                 }
 229         }
 230
 231         return IRC_Show_MOTD( from );
 232 } /* IRC_MOTD */
 233
 234
 235 GLOBAL BOOLEAN
 236 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 237 {
 238         CHAR rpl[COMMAND_LEN], *ptr;
 239         CLIENT *target, *from, *c;
 240         CHANNEL *chan;
 241
 242         assert( Client != NULL );
 243         assert( Req != NULL );
 244
 245         /* Falsche Anzahl Parameter? */
 246         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 247
 248         /* From aus Prefix ermitteln */
 249         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 250         else from = Client;
 251         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 252
 253         if( Req->argc == 2 )
 254         {
 255                 /* an anderen Server forwarden */
 256                 target = Client_Search( Req->argv[1] );
 257                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 258
 259                 if( target != Client_ThisServer( ))
 260                 {
 261                         /* Ok, anderer Server ist das Ziel: forwarden */
 262                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 263                 }
 264         }
 265
 266         if( Req->argc > 0 )
 267         {
 268                 /* bestimmte Channels durchgehen */
 269                 ptr = strtok( Req->argv[0], "," );
 270                 while( ptr )
 271                 {
 272                         chan = Channel_Search( ptr );
 273                         if( chan )
 274                         {
 275                                 /* Namen ausgeben */
 276                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 277                         }
 278                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 279
 280                         /* naechsten Namen ermitteln */
 281                         ptr = strtok( NULL, "," );
 282                 }
 283                 return CONNECTED;
 284         }
 285
 286         /* alle Channels durchgehen */
 287         chan = Channel_First( );
 288         while( chan )
 289         {
 290                 /* Namen ausgeben */
 291                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 292
 293                 /* naechster Channel */
 294                 chan = Channel_Next( chan );
 295         }
 296
 297         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 298         c = Client_First( );
 299         sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 300         while( c )
 301         {
 302                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 303                 {
 304                         /* Okay, das ist ein User: anhaengen */
 305                         if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
 306                         strcat( rpl, Client_ID( c ));
 307
 308                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 309                         {
 310                                 /* Zeile wird zu lang: senden! */
 311                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 312                                 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 313                         }
 314                 }
 315
 316                 /* naechster Client */
 317                 c = Client_Next( c );
 318         }
 319         if( rpl[strlen( rpl ) - 1] != ':')
 320         {
 321                 /* es wurden User gefunden */
 322                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 323         }
 324
 325         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 326 } /* IRC_NAMES */
 327
 328
 329 GLOBAL BOOLEAN
 330 IRC_STATS( CLIENT *Client, REQUEST *Req )
 331 {
 332         CLIENT *from, *target, *cl;
 333         CONN_ID con;
 334         CHAR query;
 335
 336         assert( Client != NULL );
 337         assert( Req != NULL );
 338
 339         /* Falsche Anzahl Parameter? */
 340         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 341
 342         /* From aus Prefix ermitteln */
 343         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 344         else from = Client;
 345         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 346
 347         if( Req->argc == 2 )
 348         {
 349                 /* an anderen Server forwarden */
 350                 target = Client_Search( Req->argv[1] );
 351                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 352
 353                 if( target != Client_ThisServer( ))
 354                 {
 355                         /* Ok, anderer Server ist das Ziel: forwarden */
 356                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 357                 }
 358         }
 359
 360         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 361         else query = '*';
 362
 363         switch ( query )
 364         {
 365                 case 'l':       /* Links */
 366                 case 'L':
 367                         con = Conn_First( );
 368                         while( con != NONE )
 369                         {
 370                                 cl = Client_GetFromConn( con );
 371                                 if( cl )
 372                                 {
 373 #ifdef USE_ZLIB
 374                                         if( Conn_Options( con ) & CONN_ZIP )
 375                                         {
 376                                                 if( ! IRC_WriteStrClient( from, RPL_STATSLINKINFOZIP_MSG, Client_ID( from ), Client_Mask( cl ), Conn_SendQ( con ), Conn_SendMsg( con ), Conn_SendBytesZip( con ), Conn_SendBytes( con ), Conn_RecvMsg( con ), Conn_RecvBytesZip( con ), Conn_RecvBytes( con ), (LONG)( time( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
 377                                         }
 378                                         else
 379 #endif
 380                                         {
 381                                                 if( ! IRC_WriteStrClient( from, RPL_STATSLINKINFO_MSG, Client_ID( from ), Client_Mask( cl ), Conn_SendQ( con ), Conn_SendMsg( con ), Conn_SendBytes( con ), Conn_RecvMsg( con ), Conn_RecvBytes( con ), (LONG)( time( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
 382                                         }
 383                                 }
 384                                 con = Conn_Next( con );
 385                         }
 386                         break;
 387                 case 'm':       /* IRC-Befehle */
 388                 case 'M':
 389                         break;
 390         }
 391
 392         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 393 } /* IRC_STATS */
 394
 395
 396 GLOBAL BOOLEAN
 397 IRC_TIME( CLIENT *Client, REQUEST *Req )
 398 {
 399         CLIENT *from, *target;
 400         CHAR t_str[64];
 401         time_t t;
 402
 403         assert( Client != NULL );
 404         assert( Req != NULL );
 405
 406         /* Falsche Anzahl Parameter? */
 407         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 408
 409         /* From aus Prefix ermitteln */
 410         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 411         else from = Client;
 412         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 413
 414         if( Req->argc == 1 )
 415         {
 416                 /* an anderen Server forwarden */
 417                 target = Client_Search( Req->argv[0] );
 418                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 419
 420                 if( target != Client_ThisServer( ))
 421                 {
 422                         /* Ok, anderer Server ist das Ziel: forwarden */
 423                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 424                 }
 425         }
 426
 427         t = time( NULL );
 428         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %z", localtime( &t ));
 429         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 430 } /* IRC_TIME */
 431
 432
 433 GLOBAL BOOLEAN
 434 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 435 {
 436         CHAR rpl[COMMAND_LEN];
 437         CLIENT *c;
 438         INT max, i;
 439
 440         assert( Client != NULL );
 441         assert( Req != NULL );
 442
 443         /* Falsche Anzahl Parameter? */
 444         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 445
 446         if( Req->argc > 5 ) max = 5;
 447         else max = Req->argc;
 448
 449         strcpy( rpl, RPL_USERHOST_MSG );
 450         for( i = 0; i < max; i++ )
 451         {
 452                 c = Client_Search( Req->argv[i] );
 453                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 454                 {
 455                         /* Dieser Nick ist "online" */
 456                         strcat( rpl, Client_ID( c ));
 457                         if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
 458                         strcat( rpl, "=" );
 459                         if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
 460                         else strcat( rpl, "+" );
 461                         strcat( rpl, Client_User( c ));
 462                         strcat( rpl, "@" );
 463                         strcat( rpl, Client_Hostname( c ));
 464                         strcat( rpl, " " );
 465                 }
 466         }
 467         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 468
 469         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 470 } /* IRC_USERHOST */
 471
 472
 473 GLOBAL BOOLEAN
 474 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 475 {
 476         CLIENT *target, *prefix;
 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         /* Ziel suchen */
 485         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 486         else target = Client_ThisServer( );
 487
 488         /* Prefix ermitteln */
 489         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 490         else prefix = Client;
 491         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 492
 493         /* An anderen Server weiterleiten? */
 494         if( target != Client_ThisServer( ))
 495         {
 496                 if( ! target ) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 497
 498                 /* forwarden */
 499                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 500                 return CONNECTED;
 501         }
 502
 503         /* mit Versionsinfo antworten */
 504         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE, VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 505 } /* IRC_VERSION */
 506
 507
 508 GLOBAL BOOLEAN
 509 IRC_WHO( CLIENT *Client, REQUEST *Req )
 510 {
 511         BOOLEAN ok, only_ops;
 512         CHAR flags[8], *ptr;
 513         CL2CHAN *cl2chan;
 514         CHANNEL *chan;
 515         CLIENT *c;
 516
 517         assert( Client != NULL );
 518         assert( Req != NULL );
 519
 520         /* Falsche Anzahl Parameter? */
 521         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 522
 523         only_ops = FALSE;
 524         chan = NULL;
 525
 526         if( Req->argc == 2 )
 527         {
 528                 /* Nur OPs anzeigen? */
 529                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 530 #ifdef STRICT_RFC
 531                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 532 #endif
 533         }
 534
 535         if( Req->argc >= 1 )
 536         {
 537                 /* wurde ein Channel oder Nick-Mask angegeben? */
 538                 chan = Channel_Search( Req->argv[0] );
 539         }
 540
 541         if( chan )
 542         {
 543                 /* User eines Channels ausgeben */
 544                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 545         }
 546
 547         c = Client_First( );
 548         while( c )
 549         {
 550                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 551                 {
 552                         ok = FALSE;
 553                         if( Req->argc == 0 ) ok = TRUE;
 554                         else
 555                         {
 556                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 557                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 558                         }
 559
 560                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 561                         {
 562                                 /* Flags zusammenbasteln */
 563                                 strcpy( flags, "H" );
 564                                 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
 565
 566                                 /* ausgeben */
 567                                 cl2chan = Channel_FirstChannelOf( c );
 568                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 569                                 else ptr = "*";
 570                                 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;
 571                         }
 572                 }
 573
 574                 /* naechster Client */
 575                 c = Client_Next( c );
 576         }
 577
 578         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 579         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 580         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 581 } /* IRC_WHO */
 582
 583
 584 GLOBAL BOOLEAN
 585 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 586 {
 587         CLIENT *from, *target, *c;
 588         CHAR str[LINE_LEN + 1], *ptr = NULL;
 589         CL2CHAN *cl2chan;
 590         CHANNEL *chan;
 591
 592         assert( Client != NULL );
 593         assert( Req != NULL );
 594
 595         /* Falsche Anzahl Parameter? */
 596         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 597
 598         /* Client suchen */
 599         c = Client_Search( Req->argv[Req->argc - 1] );
 600         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 601
 602         /* Empfaenger des WHOIS suchen */
 603         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 604         else from = Client;
 605         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 606
 607         /* Forwarden an anderen Server? */
 608         if( Req->argc > 1 )
 609         {
 610                 /* angegebenen Ziel-Server suchen */
 611                 target = Client_Search( Req->argv[1] );
 612                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 613                 ptr = Req->argv[1];
 614         }
 615         else target = Client_ThisServer( );
 616
 617         assert( target != NULL );
 618
 619         if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
 620
 621         /* Nick, User und Name */
 622         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 623
 624         /* Server */
 625         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;
 626
 627         /* Channels */
 628         sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 629         cl2chan = Channel_FirstChannelOf( c );
 630         while( cl2chan )
 631         {
 632                 chan = Channel_GetChannel( cl2chan );
 633                 assert( chan != NULL );
 634
 635                 /* Channel-Name anhaengen */
 636                 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
 637                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
 638                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
 639                 strcat( str, Channel_Name( chan ));
 640
 641                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 642                 {
 643                         /* Zeile wird zu lang: senden! */
 644                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 645                         sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 646                 }
 647
 648                 /* naechstes Mitglied suchen */
 649                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 650         }
 651         if( str[strlen( str ) - 1] != ':')
 652         {
 653                 /* Es sind noch Daten da, die gesendet werden muessen */
 654                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 655         }
 656
 657         /* IRC-Operator? */
 658         if( Client_HasMode( c, 'o' ))
 659         {
 660                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 661         }
 662
 663         /* Idle (nur lokale Clients) */
 664         if( Client_Conn( c ) > NONE )
 665         {
 666                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 667         }
 668
 669         /* Away? */
 670         if( Client_HasMode( c, 'a' ))
 671         {
 672                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 673         }
 674
 675         /* End of Whois */
 676         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 677 } /* IRC_WHOIS */
 678
 679
 680 GLOBAL BOOLEAN
 681 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 682 {
 683         assert( Client != NULL );
 684         assert( Req != NULL );
 685
 686         /* Falsche Anzahl Parameter? */
 687         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 688
 689         /* ... */
 690
 691         return CONNECTED;
 692 } /* IRC_WHOWAS */
 693
 694
 695 GLOBAL BOOLEAN
 696 IRC_Send_LUSERS( CLIENT *Client )
 697 {
 698         LONG cnt;
 699
 700         assert( Client != NULL );
 701
 702         /* Users, Services und Serevr im Netz */
 703         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 704
 705         /* IRC-Operatoren im Netz */
 706         cnt = Client_OperCount( );
 707         if( cnt > 0 )
 708         {
 709                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 710         }
 711
 712         /* Unbekannt Verbindungen */
 713         cnt = Client_UnknownCount( );
 714         if( cnt > 0 )
 715         {
 716                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 717         }
 718
 719         /* Channels im Netz */
 720         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 721
 722         /* Channels im Netz */
 723         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 724
 725         return CONNECTED;
 726 } /* IRC_Send_LUSERS */
 727
 728
 729 GLOBAL BOOLEAN
 730 IRC_Show_MOTD( CLIENT *Client )
 731 {
 732         BOOLEAN ok;
 733         CHAR line[127];
 734         FILE *fd;
 735
 736         assert( Client != NULL );
 737
 738         fd = fopen( Conf_MotdFile, "r" );
 739         if( ! fd )
 740         {
 741                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 742                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 743         }
 744
 745         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 746         while( TRUE )
 747         {
 748                 if( ! fgets( line, 126, fd )) break;
 749                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 750                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 751                 {
 752                         fclose( fd );
 753                         return FALSE;
 754                 }
 755         }
 756         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 757
 758         fclose( fd );
 759
 760         return ok;
 761 } /* IRC_Show_MOTD */
 762
 763
 764 GLOBAL BOOLEAN
 765 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 766 {
 767         BOOLEAN is_visible, is_member;
 768         CHAR str[LINE_LEN + 1];
 769         CL2CHAN *cl2chan;
 770         CLIENT *cl;
 771
 772         assert( Client != NULL );
 773         assert( Chan != NULL );
 774
 775         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 776         else is_member = FALSE;
 777
 778         /* Alle Mitglieder suchen */
 779         sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 780         cl2chan = Channel_FirstMember( Chan );
 781         while( cl2chan )
 782         {
 783                 cl = Channel_GetClient( cl2chan );
 784
 785                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 786                 else is_visible = TRUE;
 787
 788                 if( is_member || is_visible )
 789                 {
 790                         /* Nick anhaengen */
 791                         if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
 792                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
 793                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
 794                         strcat( str, Client_ID( cl ));
 795
 796                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 797                         {
 798                                 /* Zeile wird zu lang: senden! */
 799                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 800                                 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 801                         }
 802                 }
 803
 804                 /* naechstes Mitglied suchen */
 805                 cl2chan = Channel_NextMember( Chan, cl2chan );
 806         }
 807         if( str[strlen( str ) - 1] != ':')
 808         {
 809                 /* Es sind noch Daten da, die gesendet werden muessen */
 810                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 811         }
 812
 813         return CONNECTED;
 814 } /* IRC_Send_NAMES */
 815
 816
 817 GLOBAL BOOLEAN
 818 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 819 {
 820         BOOLEAN is_visible, is_member;
 821         CL2CHAN *cl2chan;
 822         CHAR flags[8];
 823         CLIENT *c;
 824
 825         assert( Client != NULL );
 826         assert( Chan != NULL );
 827
 828         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 829         else is_member = FALSE;
 830
 831         /* Alle Mitglieder suchen */
 832         cl2chan = Channel_FirstMember( Chan );
 833         while( cl2chan )
 834         {
 835                 c = Channel_GetClient( cl2chan );
 836
 837                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 838                 else is_visible = TRUE;
 839
 840                 if( is_member || is_visible )
 841                 {
 842                         /* Flags zusammenbasteln */
 843                         strcpy( flags, "H" );
 844                         if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
 845                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" );
 846                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" );
 847
 848                         /* ausgeben */
 849                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 850                         {
 851                                 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;
 852                         }
 853                 }
 854
 855                 /* naechstes Mitglied suchen */
 856                 cl2chan = Channel_NextMember( Chan, cl2chan );
 857         }
 858         return CONNECTED;
 859 } /* IRC_Send_WHO */
 860
 861
 862 /* -eof- */