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  * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
   6  * der GNU General Public License (GPL), wie von der Free Software Foundation
   7  * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
   8  * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
   9  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  10  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  11  *
  12  * $Id: irc-info.c,v 1.4 2002/12/02 13:45:51 alex Exp $
  13  *
  14  * irc-info.c: IRC-Info-Befehle
  15  */
  16
  17
  18 #include "portab.h"
  19
  20 #include "imp.h"
  21 #include <assert.h>
  22 #include <errno.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26 #include "ngircd.h"
  27 #include "conn.h"
  28 #include "client.h"
  29 #include "channel.h"
  30 #include "resolve.h"
  31 #include "conf.h"
  32 #include "defines.h"
  33 #include "log.h"
  34 #include "messages.h"
  35 #include "tool.h"
  36 #include "parse.h"
  37 #include "irc-write.h"
  38
  39 #include "exp.h"
  40 #include "irc-info.h"
  41
  42
  43 GLOBAL BOOLEAN
  44 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  45 {
  46         CLIENT *target, *prefix;
  47
  48         assert( Client != NULL );
  49         assert( Req != NULL );
  50
  51         /* Falsche Anzahl Parameter? */
  52         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  53
  54         /* Ziel suchen */
  55         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  56         else target = Client_ThisServer( );
  57
  58         /* Prefix ermitteln */
  59         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  60         else prefix = Client;
  61         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
  62
  63         /* An anderen Server weiterleiten? */
  64         if( target != Client_ThisServer( ))
  65         {
  66                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
  67
  68                 /* forwarden */
  69                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  70                 return CONNECTED;
  71         }
  72
  73         /* mit Versionsinfo antworten */
  74         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  75         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  76         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  77         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  78
  79         return CONNECTED;
  80 } /* IRC_ADMIN */
  81
  82
  83 GLOBAL BOOLEAN
  84 IRC_ISON( CLIENT *Client, REQUEST *Req )
  85 {
  86         CHAR rpl[COMMAND_LEN];
  87         CLIENT *c;
  88         CHAR *ptr;
  89         INT i;
  90
  91         assert( Client != NULL );
  92         assert( Req != NULL );
  93
  94         /* Falsche Anzahl Parameter? */
  95         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  96
  97         strcpy( rpl, RPL_ISON_MSG );
  98         for( i = 0; i < Req->argc; i++ )
  99         {
 100                 ptr = strtok( Req->argv[i], " " );
 101                 while( ptr )
 102                 {
 103                         ngt_TrimStr( ptr );
 104                         c = Client_Search( ptr );
 105                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 106                         {
 107                                 /* Dieser Nick ist "online" */
 108                                 strcat( rpl, ptr );
 109                                 strcat( rpl, " " );
 110                         }
 111                         ptr = strtok( NULL, " " );
 112                 }
 113         }
 114         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 115
 116         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 117 } /* IRC_ISON */
 118
 119
 120 GLOBAL BOOLEAN
 121 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 122 {
 123         CLIENT *target, *from, *c;
 124         CHAR *mask;
 125
 126         assert( Client != NULL );
 127         assert( Req != NULL );
 128
 129         /* Falsche Anzahl Parameter? */
 130         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 131
 132         /* Server-Mask ermitteln */
 133         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 134         else mask = "*";
 135
 136         /* Absender ermitteln */
 137         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 138         else from = Client;
 139         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 140
 141         /* An anderen Server forwarden? */
 142         if( Req->argc == 2 )
 143         {
 144                 target = Client_Search( Req->argv[0] );
 145                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 146                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 147         }
 148
 149         /* Wer ist der Absender? */
 150         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 151         else target = Client;
 152         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 153
 154         c = Client_First( );
 155         while( c )
 156         {
 157                 if( Client_Type( c ) == CLIENT_SERVER )
 158                 {
 159                         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;
 160                 }
 161                 c = Client_Next( c );
 162         }
 163
 164         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 165 } /* IRC_LINKS */
 166
 167
 168 GLOBAL BOOLEAN
 169 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 170 {
 171         CLIENT *target, *from;
 172
 173         assert( Client != NULL );
 174         assert( Req != NULL );
 175
 176         /* Falsche Anzahl Parameter? */
 177         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 178
 179         /* Absender ermitteln */
 180         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 181         else from = Client;
 182         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 183
 184         /* An anderen Server forwarden? */
 185         if( Req->argc == 2 )
 186         {
 187                 target = Client_Search( Req->argv[1] );
 188                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
 189                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 190         }
 191
 192         /* Wer ist der Absender? */
 193         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 194         else target = Client;
 195         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 196
 197         IRC_Send_LUSERS( target );
 198
 199         return CONNECTED;
 200 } /* IRC_LUSERS */
 201
 202
 203 GLOBAL BOOLEAN
 204 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 205 {
 206         CLIENT *from, *target;
 207
 208         assert( Client != NULL );
 209         assert( Req != NULL );
 210
 211         /* Falsche Anzahl Parameter? */
 212         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 213
 214         /* From aus Prefix ermitteln */
 215         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 216         else from = Client;
 217         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
 218
 219         if( Req->argc == 1 )
 220         {
 221                 /* an anderen Server forwarden */
 222                 target = Client_Search( Req->argv[0] );
 223                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 224
 225                 if( target != Client_ThisServer( ))
 226                 {
 227                         /* Ok, anderer Server ist das Ziel: forwarden */
 228                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 229                 }
 230         }
 231
 232         return IRC_Show_MOTD( from );
 233 } /* IRC_MOTD */
 234
 235
 236 GLOBAL BOOLEAN
 237 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 238 {
 239         CHAR rpl[COMMAND_LEN], *ptr;
 240         CLIENT *target, *from, *c;
 241         CHANNEL *chan;
 242
 243         assert( Client != NULL );
 244         assert( Req != NULL );
 245
 246         /* Falsche Anzahl Parameter? */
 247         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 248
 249         /* From aus Prefix ermitteln */
 250         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 251         else from = Client;
 252         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
 253
 254         if( Req->argc == 2 )
 255         {
 256                 /* an anderen Server forwarden */
 257                 target = Client_Search( Req->argv[1] );
 258                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
 259
 260                 if( target != Client_ThisServer( ))
 261                 {
 262                         /* Ok, anderer Server ist das Ziel: forwarden */
 263                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 264                 }
 265         }
 266
 267         if( Req->argc > 0 )
 268         {
 269                 /* bestimmte Channels durchgehen */
 270                 ptr = strtok( Req->argv[0], "," );
 271                 while( ptr )
 272                 {
 273                         chan = Channel_Search( ptr );
 274                         if( chan )
 275                         {
 276                                 /* Namen ausgeben */
 277                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 278                         }
 279                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 280
 281                         /* naechsten Namen ermitteln */
 282                         ptr = strtok( NULL, "," );
 283                 }
 284                 return CONNECTED;
 285         }
 286
 287         /* alle Channels durchgehen */
 288         chan = Channel_First( );
 289         while( chan )
 290         {
 291                 /* Namen ausgeben */
 292                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 293
 294                 /* naechster Channel */
 295                 chan = Channel_Next( chan );
 296         }
 297
 298         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 299         c = Client_First( );
 300         sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 301         while( c )
 302         {
 303                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 304                 {
 305                         /* Okay, das ist ein User: anhaengen */
 306                         if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
 307                         strcat( rpl, Client_ID( c ));
 308
 309                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 310                         {
 311                                 /* Zeile wird zu lang: senden! */
 312                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 313                                 sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 314                         }
 315                 }
 316
 317                 /* naechster Client */
 318                 c = Client_Next( c );
 319         }
 320         if( rpl[strlen( rpl ) - 1] != ':')
 321         {
 322                 /* es wurden User gefunden */
 323                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 324         }
 325
 326         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 327 } /* IRC_NAMES */
 328
 329
 330 GLOBAL BOOLEAN
 331 IRC_STATS( CLIENT *Client, REQUEST *Req )
 332 {
 333         CLIENT *from, *target, *cl;
 334         CONN_ID con;
 335         CHAR query;
 336
 337         assert( Client != NULL );
 338         assert( Req != NULL );
 339
 340         /* Falsche Anzahl Parameter? */
 341         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 342
 343         /* From aus Prefix ermitteln */
 344         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 345         else from = Client;
 346         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
 347
 348         if( Req->argc == 2 )
 349         {
 350                 /* an anderen Server forwarden */
 351                 target = Client_Search( Req->argv[1] );
 352                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
 353
 354                 if( target != Client_ThisServer( ))
 355                 {
 356                         /* Ok, anderer Server ist das Ziel: forwarden */
 357                         return IRC_WriteStrClientPrefix( target, from, "STATS %s", Req->argv[0], Req->argv[1] );
 358                 }
 359         }
 360
 361         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 362         else query = '*';
 363
 364         switch ( query )
 365         {
 366                 case 'l':       /* Links */
 367                 case 'L':
 368                         con = Conn_First( );
 369                         while( con != NONE )
 370                         {
 371                                 cl = Client_GetFromConn( con );
 372                                 if( cl )
 373                                 {
 374 #ifdef USE_ZLIB
 375                                         if( Conn_Options( con ) & CONN_ZIP )
 376                                         {
 377                                                 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;
 378                                         }
 379                                         else
 380 #endif
 381                                         {
 382                                                 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;
 383                                         }
 384                                 }
 385                                 con = Conn_Next( con );
 386                         }
 387                         break;
 388                 case 'm':       /* IRC-Befehle */
 389                 case 'M':
 390                         break;
 391         }
 392
 393         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 394 } /* IRC_STATS */
 395
 396
 397 GLOBAL BOOLEAN
 398 IRC_TIME( CLIENT *Client, REQUEST *Req )
 399 {
 400         CLIENT *from, *target;
 401         CHAR t_str[64];
 402         time_t t;
 403
 404         assert( Client != NULL );
 405         assert( Req != NULL );
 406
 407         /* Falsche Anzahl Parameter? */
 408         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 409
 410         /* From aus Prefix ermitteln */
 411         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 412         else from = Client;
 413         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
 414
 415         if( Req->argc == 1 )
 416         {
 417                 /* an anderen Server forwarden */
 418                 target = Client_Search( Req->argv[0] );
 419                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 420
 421                 if( target != Client_ThisServer( ))
 422                 {
 423                         /* Ok, anderer Server ist das Ziel: forwarden */
 424                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 425                 }
 426         }
 427
 428         t = time( NULL );
 429         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %z", localtime( &t ));
 430         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 431 } /* IRC_TIME */
 432
 433
 434 GLOBAL BOOLEAN
 435 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 436 {
 437         CHAR rpl[COMMAND_LEN];
 438         CLIENT *c;
 439         INT max, i;
 440
 441         assert( Client != NULL );
 442         assert( Req != NULL );
 443
 444         /* Falsche Anzahl Parameter? */
 445         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 446
 447         if( Req->argc > 5 ) max = 5;
 448         else max = Req->argc;
 449
 450         strcpy( rpl, RPL_USERHOST_MSG );
 451         for( i = 0; i < max; i++ )
 452         {
 453                 c = Client_Search( Req->argv[i] );
 454                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 455                 {
 456                         /* Dieser Nick ist "online" */
 457                         strcat( rpl, Client_ID( c ));
 458                         if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
 459                         strcat( rpl, "=" );
 460                         if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
 461                         else strcat( rpl, "+" );
 462                         strcat( rpl, Client_User( c ));
 463                         strcat( rpl, "@" );
 464                         strcat( rpl, Client_Hostname( c ));
 465                         strcat( rpl, " " );
 466                 }
 467         }
 468         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 469
 470         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 471 } /* IRC_USERHOST */
 472
 473
 474 GLOBAL BOOLEAN
 475 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 476 {
 477         CLIENT *target, *prefix;
 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         /* Ziel suchen */
 486         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 487         else target = Client_ThisServer( );
 488
 489         /* Prefix ermitteln */
 490         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 491         else prefix = Client;
 492         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
 493
 494         /* An anderen Server weiterleiten? */
 495         if( target != Client_ThisServer( ))
 496         {
 497                 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 498
 499                 /* forwarden */
 500                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 501                 return CONNECTED;
 502         }
 503
 504         /* mit Versionsinfo antworten */
 505         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE, VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 506 } /* IRC_VERSION */
 507
 508
 509 GLOBAL BOOLEAN
 510 IRC_WHO( CLIENT *Client, REQUEST *Req )
 511 {
 512         BOOLEAN ok, only_ops;
 513         CHAR flags[8], *ptr;
 514         CL2CHAN *cl2chan;
 515         CHANNEL *chan;
 516         CLIENT *c;
 517
 518         assert( Client != NULL );
 519         assert( Req != NULL );
 520
 521         /* Falsche Anzahl Parameter? */
 522         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 523
 524         only_ops = FALSE;
 525         chan = NULL;
 526
 527         if( Req->argc == 2 )
 528         {
 529                 /* Nur OPs anzeigen? */
 530                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 531 #ifdef STRICT_RFC
 532                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 533 #endif
 534         }
 535
 536         if( Req->argc >= 1 )
 537         {
 538                 /* wurde ein Channel oder Nick-Mask angegeben? */
 539                 chan = Channel_Search( Req->argv[0] );
 540         }
 541
 542         if( chan )
 543         {
 544                 /* User eines Channels ausgeben */
 545                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 546         }
 547
 548         c = Client_First( );
 549         while( c )
 550         {
 551                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 552                 {
 553                         ok = FALSE;
 554                         if( Req->argc == 0 ) ok = TRUE;
 555                         else
 556                         {
 557                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 558                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 559                         }
 560
 561                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 562                         {
 563                                 /* Flags zusammenbasteln */
 564                                 strcpy( flags, "H" );
 565                                 if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
 566
 567                                 /* ausgeben */
 568                                 cl2chan = Channel_FirstChannelOf( c );
 569                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 570                                 else ptr = "*";
 571                                 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;
 572                         }
 573                 }
 574
 575                 /* naechster Client */
 576                 c = Client_Next( c );
 577         }
 578
 579         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 580         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 581         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 582 } /* IRC_WHO */
 583
 584
 585 GLOBAL BOOLEAN
 586 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 587 {
 588         CLIENT *from, *target, *c;
 589         CHAR str[LINE_LEN + 1], *ptr = NULL;
 590         CL2CHAN *cl2chan;
 591         CHANNEL *chan;
 592
 593         assert( Client != NULL );
 594         assert( Req != NULL );
 595
 596         /* Falsche Anzahl Parameter? */
 597         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 598
 599         /* Client suchen */
 600         c = Client_Search( Req->argv[Req->argc - 1] );
 601         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 602
 603         /* Empfaenger des WHOIS suchen */
 604         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 605         else from = Client;
 606         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 607
 608         /* Forwarden an anderen Server? */
 609         if( Req->argc > 1 )
 610         {
 611                 /* angegebenen Ziel-Server suchen */
 612                 target = Client_Search( Req->argv[1] );
 613                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 614                 ptr = Req->argv[1];
 615         }
 616         else target = Client_ThisServer( );
 617
 618         assert( target != NULL );
 619
 620         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 );
 621
 622         /* Nick, User und Name */
 623         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 624
 625         /* Server */
 626         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;
 627
 628         /* Channels */
 629         sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 630         cl2chan = Channel_FirstChannelOf( c );
 631         while( cl2chan )
 632         {
 633                 chan = Channel_GetChannel( cl2chan );
 634                 assert( chan != NULL );
 635
 636                 /* Channel-Name anhaengen */
 637                 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
 638                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
 639                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
 640                 strcat( str, Channel_Name( chan ));
 641
 642                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 643                 {
 644                         /* Zeile wird zu lang: senden! */
 645                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 646                         sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 647                 }
 648
 649                 /* naechstes Mitglied suchen */
 650                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 651         }
 652         if( str[strlen( str ) - 1] != ':')
 653         {
 654                 /* Es sind noch Daten da, die gesendet werden muessen */
 655                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 656         }
 657
 658         /* IRC-Operator? */
 659         if( Client_HasMode( c, 'o' ))
 660         {
 661                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 662         }
 663
 664         /* Idle (nur lokale Clients) */
 665         if( Client_Conn( c ) > NONE )
 666         {
 667                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 668         }
 669
 670         /* Away? */
 671         if( Client_HasMode( c, 'a' ))
 672         {
 673                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 674         }
 675
 676         /* End of Whois */
 677         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 678 } /* IRC_WHOIS */
 679
 680
 681 GLOBAL BOOLEAN
 682 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 683 {
 684         assert( Client != NULL );
 685         assert( Req != NULL );
 686
 687         /* Falsche Anzahl Parameter? */
 688         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 689
 690         /* ... */
 691
 692         return CONNECTED;
 693 } /* IRC_WHOWAS */
 694
 695
 696 GLOBAL BOOLEAN
 697 IRC_Send_LUSERS( CLIENT *Client )
 698 {
 699         LONG cnt;
 700
 701         assert( Client != NULL );
 702
 703         /* Users, Services und Serevr im Netz */
 704         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 705
 706         /* IRC-Operatoren im Netz */
 707         cnt = Client_OperCount( );
 708         if( cnt > 0 )
 709         {
 710                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 711         }
 712
 713         /* Unbekannt Verbindungen */
 714         cnt = Client_UnknownCount( );
 715         if( cnt > 0 )
 716         {
 717                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 718         }
 719
 720         /* Channels im Netz */
 721         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 722
 723         /* Channels im Netz */
 724         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 725
 726         return CONNECTED;
 727 } /* IRC_Send_LUSERS */
 728
 729
 730 GLOBAL BOOLEAN
 731 IRC_Show_MOTD( CLIENT *Client )
 732 {
 733         BOOLEAN ok;
 734         CHAR line[127];
 735         FILE *fd;
 736
 737         assert( Client != NULL );
 738
 739         fd = fopen( Conf_MotdFile, "r" );
 740         if( ! fd )
 741         {
 742                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 743                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 744         }
 745
 746         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 747         while( TRUE )
 748         {
 749                 if( ! fgets( line, 126, fd )) break;
 750                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 751                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 752                 {
 753                         fclose( fd );
 754                         return FALSE;
 755                 }
 756         }
 757         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 758
 759         fclose( fd );
 760
 761         return ok;
 762 } /* IRC_Show_MOTD */
 763
 764
 765 GLOBAL BOOLEAN
 766 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 767 {
 768         BOOLEAN is_visible, is_member;
 769         CHAR str[LINE_LEN + 1];
 770         CL2CHAN *cl2chan;
 771         CLIENT *cl;
 772
 773         assert( Client != NULL );
 774         assert( Chan != NULL );
 775
 776         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 777         else is_member = FALSE;
 778
 779         /* Alle Mitglieder suchen */
 780         sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 781         cl2chan = Channel_FirstMember( Chan );
 782         while( cl2chan )
 783         {
 784                 cl = Channel_GetClient( cl2chan );
 785
 786                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 787                 else is_visible = TRUE;
 788
 789                 if( is_member || is_visible )
 790                 {
 791                         /* Nick anhaengen */
 792                         if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
 793                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
 794                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
 795                         strcat( str, Client_ID( cl ));
 796
 797                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 798                         {
 799                                 /* Zeile wird zu lang: senden! */
 800                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 801                                 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 802                         }
 803                 }
 804
 805                 /* naechstes Mitglied suchen */
 806                 cl2chan = Channel_NextMember( Chan, cl2chan );
 807         }
 808         if( str[strlen( str ) - 1] != ':')
 809         {
 810                 /* Es sind noch Daten da, die gesendet werden muessen */
 811                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 812         }
 813
 814         return CONNECTED;
 815 } /* IRC_Send_NAMES */
 816
 817
 818 GLOBAL BOOLEAN
 819 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 820 {
 821         BOOLEAN is_visible, is_member;
 822         CL2CHAN *cl2chan;
 823         CHAR flags[8];
 824         CLIENT *c;
 825
 826         assert( Client != NULL );
 827         assert( Chan != NULL );
 828
 829         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 830         else is_member = FALSE;
 831
 832         /* Alle Mitglieder suchen */
 833         cl2chan = Channel_FirstMember( Chan );
 834         while( cl2chan )
 835         {
 836                 c = Channel_GetClient( cl2chan );
 837
 838                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 839                 else is_visible = TRUE;
 840
 841                 if( is_member || is_visible )
 842                 {
 843                         /* Flags zusammenbasteln */
 844                         strcpy( flags, "H" );
 845                         if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" );
 846                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" );
 847                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" );
 848
 849                         /* ausgeben */
 850                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 851                         {
 852                                 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;
 853                         }
 854                 }
 855
 856                 /* naechstes Mitglied suchen */
 857                 cl2chan = Channel_NextMember( Chan, cl2chan );
 858         }
 859         return CONNECTED;
 860 } /* IRC_Send_WHO */
 861
 862
 863 /* -eof- */