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 1.21 2004/01/17 03:17:49 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <strings.h>
  25
  26 #include "ngircd.h"
  27 #include "cvs-version.h"
  28 #include "conn-func.h"
  29 #include "conn-zip.h"
  30 #include "client.h"
  31 #include "channel.h"
  32 #include "resolve.h"
  33 #include "conf.h"
  34 #include "defines.h"
  35 #include "log.h"
  36 #include "messages.h"
  37 #include "tool.h"
  38 #include "parse.h"
  39 #include "irc-write.h"
  40
  41 #include "exp.h"
  42 #include "irc-info.h"
  43
  44
  45 GLOBAL BOOLEAN
  46 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  47 {
  48         CLIENT *target, *prefix;
  49
  50         assert( Client != NULL );
  51         assert( Req != NULL );
  52
  53         /* Falsche Anzahl Parameter? */
  54         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  55
  56         /* Ziel suchen */
  57         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  58         else target = Client_ThisServer( );
  59
  60         /* Prefix ermitteln */
  61         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  62         else prefix = Client;
  63         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  64
  65         /* An anderen Server weiterleiten? */
  66         if( target != Client_ThisServer( ))
  67         {
  68                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  69
  70                 /* forwarden */
  71                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  72                 return CONNECTED;
  73         }
  74
  75         /* mit Versionsinfo antworten */
  76         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  77         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  78         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  79         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  80
  81         IRC_SetPenalty( Client, 1 );
  82         return CONNECTED;
  83 } /* IRC_ADMIN */
  84
  85
  86 GLOBAL BOOLEAN
  87 IRC_ISON( CLIENT *Client, REQUEST *Req )
  88 {
  89         CHAR rpl[COMMAND_LEN];
  90         CLIENT *c;
  91         CHAR *ptr;
  92         INT i;
  93
  94         assert( Client != NULL );
  95         assert( Req != NULL );
  96
  97         /* Falsche Anzahl Parameter? */
  98         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  99
 100         strcpy( rpl, RPL_ISON_MSG );
 101         for( i = 0; i < Req->argc; i++ )
 102         {
 103                 ptr = strtok( Req->argv[i], " " );
 104                 while( ptr )
 105                 {
 106                         ngt_TrimStr( ptr );
 107                         c = Client_Search( ptr );
 108                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 109                         {
 110                                 /* Dieser Nick ist "online" */
 111                                 strlcat( rpl, ptr, sizeof( rpl ));
 112                                 strlcat( rpl, " ", sizeof( rpl ));
 113                         }
 114                         ptr = strtok( NULL, " " );
 115                 }
 116         }
 117         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 118
 119         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 120 } /* IRC_ISON */
 121
 122
 123 GLOBAL BOOLEAN
 124 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 125 {
 126         CLIENT *target, *from, *c;
 127         CHAR *mask;
 128
 129         assert( Client != NULL );
 130         assert( Req != NULL );
 131
 132         /* Falsche Anzahl Parameter? */
 133         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 134
 135         /* Server-Mask ermitteln */
 136         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 137         else mask = "*";
 138
 139         /* Absender ermitteln */
 140         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 141         else from = Client;
 142         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 143
 144         /* An anderen Server forwarden? */
 145         if( Req->argc == 2 )
 146         {
 147                 target = Client_Search( Req->argv[0] );
 148                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 149                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 150         }
 151
 152         /* Wer ist der Absender? */
 153         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 154         else target = Client;
 155         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 156
 157         c = Client_First( );
 158         while( c )
 159         {
 160                 if( Client_Type( c ) == CLIENT_SERVER )
 161                 {
 162                         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;
 163                 }
 164                 c = Client_Next( c );
 165         }
 166
 167         IRC_SetPenalty( target, 1 );
 168         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 169 } /* IRC_LINKS */
 170
 171
 172 GLOBAL BOOLEAN
 173 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 174 {
 175         CLIENT *target, *from;
 176
 177         assert( Client != NULL );
 178         assert( Req != NULL );
 179
 180         /* Falsche Anzahl Parameter? */
 181         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 182
 183         /* Absender ermitteln */
 184         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 185         else from = Client;
 186         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 187
 188         /* An anderen Server forwarden? */
 189         if( Req->argc == 2 )
 190         {
 191                 target = Client_Search( Req->argv[1] );
 192                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 193                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 194         }
 195
 196         /* Wer ist der Absender? */
 197         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 198         else target = Client;
 199         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 200
 201         IRC_Send_LUSERS( target );
 202
 203         IRC_SetPenalty( target, 1 );
 204         return CONNECTED;
 205 } /* IRC_LUSERS */
 206
 207
 208 GLOBAL BOOLEAN
 209 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 210 {
 211         CLIENT *from, *target;
 212
 213         assert( Client != NULL );
 214         assert( Req != NULL );
 215
 216         /* Falsche Anzahl Parameter? */
 217         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 218
 219         /* From aus Prefix ermitteln */
 220         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 221         else from = Client;
 222         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 223
 224         if( Req->argc == 1 )
 225         {
 226                 /* an anderen Server forwarden */
 227                 target = Client_Search( Req->argv[0] );
 228                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 229
 230                 if( target != Client_ThisServer( ))
 231                 {
 232                         /* Ok, anderer Server ist das Ziel: forwarden */
 233                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 234                 }
 235         }
 236
 237         IRC_SetPenalty( from, 3 );
 238         return IRC_Show_MOTD( from );
 239 } /* IRC_MOTD */
 240
 241
 242 GLOBAL BOOLEAN
 243 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 244 {
 245         CHAR rpl[COMMAND_LEN], *ptr;
 246         CLIENT *target, *from, *c;
 247         CHANNEL *chan;
 248
 249         assert( Client != NULL );
 250         assert( Req != NULL );
 251
 252         /* Falsche Anzahl Parameter? */
 253         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 254
 255         /* From aus Prefix ermitteln */
 256         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 257         else from = Client;
 258         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 259
 260         if( Req->argc == 2 )
 261         {
 262                 /* an anderen Server forwarden */
 263                 target = Client_Search( Req->argv[1] );
 264                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 265
 266                 if( target != Client_ThisServer( ))
 267                 {
 268                         /* Ok, anderer Server ist das Ziel: forwarden */
 269                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 270                 }
 271         }
 272
 273         if( Req->argc > 0 )
 274         {
 275                 /* bestimmte Channels durchgehen */
 276                 ptr = strtok( Req->argv[0], "," );
 277                 while( ptr )
 278                 {
 279                         chan = Channel_Search( ptr );
 280                         if( chan )
 281                         {
 282                                 /* Namen ausgeben */
 283                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 284                         }
 285                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 286
 287                         /* naechsten Namen ermitteln */
 288                         ptr = strtok( NULL, "," );
 289                 }
 290                 return CONNECTED;
 291         }
 292
 293         /* alle Channels durchgehen */
 294         chan = Channel_First( );
 295         while( chan )
 296         {
 297                 /* Namen ausgeben */
 298                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 299
 300                 /* naechster Channel */
 301                 chan = Channel_Next( chan );
 302         }
 303
 304         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 305         c = Client_First( );
 306         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 307         while( c )
 308         {
 309                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 310                 {
 311                         /* Okay, das ist ein User: anhaengen */
 312                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 313                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 314
 315                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 316                         {
 317                                 /* Zeile wird zu lang: senden! */
 318                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 319                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 320                         }
 321                 }
 322
 323                 /* naechster Client */
 324                 c = Client_Next( c );
 325         }
 326         if( rpl[strlen( rpl ) - 1] != ':')
 327         {
 328                 /* es wurden User gefunden */
 329                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 330         }
 331
 332         IRC_SetPenalty( from, 1 );
 333         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 334 } /* IRC_NAMES */
 335
 336
 337 GLOBAL BOOLEAN
 338 IRC_STATS( CLIENT *Client, REQUEST *Req )
 339 {
 340         CLIENT *from, *target, *cl;
 341         CONN_ID con;
 342         CHAR query;
 343         COMMAND *cmd;
 344
 345         assert( Client != NULL );
 346         assert( Req != NULL );
 347
 348         /* Falsche Anzahl Parameter? */
 349         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 350
 351         /* From aus Prefix ermitteln */
 352         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 353         else from = Client;
 354         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 355
 356         if( Req->argc == 2 )
 357         {
 358                 /* an anderen Server forwarden */
 359                 target = Client_Search( Req->argv[1] );
 360                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 361
 362                 if( target != Client_ThisServer( ))
 363                 {
 364                         /* Ok, anderer Server ist das Ziel: forwarden */
 365                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 366                 }
 367         }
 368
 369         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 370         else query = '*';
 371
 372         switch ( query )
 373         {
 374                 case 'l':       /* Links */
 375                 case 'L':
 376                         con = Conn_First( );
 377                         while( con != NONE )
 378                         {
 379                                 cl = Client_GetFromConn( con );
 380                                 if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
 381                                 {
 382                                         /* Server link or our own connection */
 383 #ifdef ZLIB
 384                                         if( Conn_Options( con ) & CONN_ZIP )
 385                                         {
 386                                                 if( ! IRC_WriteStrClient( from, RPL_STATSLINKINFOZIP_MSG, Client_ID( from ), Client_Mask( cl ), Conn_SendQ( con ), Conn_SendMsg( con ), Zip_SendBytes( con ), Conn_SendBytes( con ), Conn_RecvMsg( con ), Zip_RecvBytes( con ), Conn_RecvBytes( con ), (LONG)( time( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
 387                                         }
 388                                         else
 389 #endif
 390                                         {
 391                                                 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;
 392                                         }
 393                                 }
 394                                 con = Conn_Next( con );
 395                         }
 396                         break;
 397                 case 'm':       /* IRC-Befehle */
 398                 case 'M':
 399                         cmd = Parse_GetCommandStruct( );
 400                         while( cmd->name )
 401                         {
 402                                 if( cmd->lcount > 0 || cmd->rcount > 0 )
 403                                 {
 404                                         if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
 405                                 }
 406                                 cmd++;
 407                         }
 408                         break;
 409         }
 410
 411         IRC_SetPenalty( from, 2 );
 412         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 413 } /* IRC_STATS */
 414
 415
 416 GLOBAL BOOLEAN
 417 IRC_TIME( CLIENT *Client, REQUEST *Req )
 418 {
 419         CLIENT *from, *target;
 420         CHAR t_str[64];
 421         time_t t;
 422
 423         assert( Client != NULL );
 424         assert( Req != NULL );
 425
 426         /* Falsche Anzahl Parameter? */
 427         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 428
 429         /* From aus Prefix ermitteln */
 430         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 431         else from = Client;
 432         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 433
 434         if( Req->argc == 1 )
 435         {
 436                 /* an anderen Server forwarden */
 437                 target = Client_Search( Req->argv[0] );
 438                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 439
 440                 if( target != Client_ThisServer( ))
 441                 {
 442                         /* Ok, anderer Server ist das Ziel: forwarden */
 443                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 444                 }
 445         }
 446
 447         t = time( NULL );
 448         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
 449         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 450 } /* IRC_TIME */
 451
 452
 453 GLOBAL BOOLEAN
 454 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 455 {
 456         CHAR rpl[COMMAND_LEN];
 457         CLIENT *c;
 458         INT max, i;
 459
 460         assert( Client != NULL );
 461         assert( Req != NULL );
 462
 463         /* Falsche Anzahl Parameter? */
 464         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 465
 466         if( Req->argc > 5 ) max = 5;
 467         else max = Req->argc;
 468
 469         strcpy( rpl, RPL_USERHOST_MSG );
 470         for( i = 0; i < max; i++ )
 471         {
 472                 c = Client_Search( Req->argv[i] );
 473                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 474                 {
 475                         /* Dieser Nick ist "online" */
 476                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 477                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 478                         strlcat( rpl, "=", sizeof( rpl ));
 479                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 480                         else strlcat( rpl, "+", sizeof( rpl ));
 481                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 482                         strlcat( rpl, "@", sizeof( rpl ));
 483                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 484                         strlcat( rpl, " ", sizeof( rpl ));
 485                 }
 486         }
 487         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 488
 489         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 490 } /* IRC_USERHOST */
 491
 492
 493 GLOBAL BOOLEAN
 494 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 495 {
 496         CLIENT *target, *prefix;
 497 #ifdef CVSDATE
 498         CHAR ver[12], vertxt[30];
 499 #endif
 500
 501         assert( Client != NULL );
 502         assert( Req != NULL );
 503
 504         /* Falsche Anzahl Parameter? */
 505         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 506
 507         /* Ziel suchen */
 508         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 509         else target = Client_ThisServer( );
 510
 511         /* Prefix ermitteln */
 512         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 513         else prefix = Client;
 514         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 515
 516         /* An anderen Server weiterleiten? */
 517         if( target != Client_ThisServer( ))
 518         {
 519                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 520
 521                 /* forwarden */
 522                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 523                 return CONNECTED;
 524         }
 525
 526         /* mit Versionsinfo antworten */
 527         IRC_SetPenalty( Client, 1 );
 528 #ifdef CVSDATE
 529         strlcpy( ver, CVSDATE, sizeof( ver ));
 530         strncpy( ver + 4, ver + 5, 2 );
 531         strncpy( ver + 6, ver + 8, 3 );
 532         snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
 533         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 534 #else
 535         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 536 #endif
 537 } /* IRC_VERSION */
 538
 539
 540 GLOBAL BOOLEAN
 541 IRC_WHO( CLIENT *Client, REQUEST *Req )
 542 {
 543         BOOLEAN ok, only_ops;
 544         CHAR flags[8], *ptr;
 545         CL2CHAN *cl2chan;
 546         CHANNEL *chan;
 547         CLIENT *c;
 548
 549         assert( Client != NULL );
 550         assert( Req != NULL );
 551
 552         /* Falsche Anzahl Parameter? */
 553         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 554
 555         only_ops = FALSE;
 556         chan = NULL;
 557
 558         if( Req->argc == 2 )
 559         {
 560                 /* Nur OPs anzeigen? */
 561                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 562 #ifdef STRICT_RFC
 563                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 564 #endif
 565         }
 566
 567         if( Req->argc >= 1 )
 568         {
 569                 /* wurde ein Channel oder Nick-Mask angegeben? */
 570                 chan = Channel_Search( Req->argv[0] );
 571         }
 572
 573         if( chan )
 574         {
 575                 /* User eines Channels ausgeben */
 576                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 577         }
 578
 579         c = Client_First( );
 580         while( c )
 581         {
 582                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 583                 {
 584                         ok = FALSE;
 585                         if( Req->argc == 0 ) ok = TRUE;
 586                         else
 587                         {
 588                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 589                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 590                         }
 591
 592                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 593                         {
 594                                 /* Flags zusammenbasteln */
 595                                 strcpy( flags, "H" );
 596                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 597
 598                                 /* ausgeben */
 599                                 cl2chan = Channel_FirstChannelOf( c );
 600                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 601                                 else ptr = "*";
 602                                 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;
 603                         }
 604                 }
 605
 606                 /* naechster Client */
 607                 c = Client_Next( c );
 608         }
 609
 610         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 611         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 612         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 613 } /* IRC_WHO */
 614
 615
 616 GLOBAL BOOLEAN
 617 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 618 {
 619         CLIENT *from, *target, *c;
 620         CHAR str[LINE_LEN + 1];
 621         CL2CHAN *cl2chan;
 622         CHANNEL *chan;
 623
 624         assert( Client != NULL );
 625         assert( Req != NULL );
 626
 627         /* Bad number of parameters? */
 628         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 629
 630         /* Search client */
 631         c = Client_Search( Req->argv[Req->argc - 1] );
 632         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 633
 634         /* Search sender of the WHOIS */
 635         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 636         else from = Client;
 637         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 638
 639         /* Forward to other server? */
 640         if( Req->argc > 1 )
 641         {
 642                 /* Search target server (can be specified as nick of that server!) */
 643                 target = Client_Search( Req->argv[0] );
 644                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 645         }
 646         else target = Client_ThisServer( );
 647
 648         assert( target != NULL );
 649
 650         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] );
 651
 652         /* Nick, user and name */
 653         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 654
 655         /* Server */
 656         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;
 657
 658         /* Channels */
 659         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 660         cl2chan = Channel_FirstChannelOf( c );
 661         while( cl2chan )
 662         {
 663                 chan = Channel_GetChannel( cl2chan );
 664                 assert( chan != NULL );
 665
 666                 /* Concatenate channel names */
 667                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 668                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 669                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 670                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 671
 672                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 673                 {
 674                         /* Line becomes too long: send it! */
 675                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 676                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 677                 }
 678
 679                 /* next */
 680                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 681         }
 682         if( str[strlen( str ) - 1] != ':')
 683         {
 684                 /* There is data left to send: */
 685                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 686         }
 687
 688         /* IRC-Operator? */
 689         if( Client_HasMode( c, 'o' ))
 690         {
 691                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 692         }
 693
 694         /* Idle (only local clients) */
 695         if( Client_Conn( c ) > NONE )
 696         {
 697                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 698         }
 699
 700         /* Away? */
 701         if( Client_HasMode( c, 'a' ))
 702         {
 703                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 704         }
 705
 706         /* End of Whois */
 707         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 708 } /* IRC_WHOIS */
 709
 710
 711 GLOBAL BOOLEAN
 712 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 713 {
 714         assert( Client != NULL );
 715         assert( Req != NULL );
 716
 717         /* Falsche Anzahl Parameter? */
 718         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 719
 720         /* ... */
 721
 722         return CONNECTED;
 723 } /* IRC_WHOWAS */
 724
 725
 726 GLOBAL BOOLEAN
 727 IRC_Send_LUSERS( CLIENT *Client )
 728 {
 729         LONG cnt;
 730
 731         assert( Client != NULL );
 732
 733         /* Users, services and serevers in the network */
 734         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 735
 736         /* Number of IRC operators */
 737         cnt = Client_OperCount( );
 738         if( cnt > 0 )
 739         {
 740                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 741         }
 742
 743         /* Unknown connections */
 744         cnt = Client_UnknownCount( );
 745         if( cnt > 0 )
 746         {
 747                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 748         }
 749
 750         /* Number of created channels */
 751         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 752
 753         /* Number of local users, services and servers */
 754         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 755
 756 #ifndef STRICT_RFC
 757         /* Maximum number of local users */
 758         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 759         /* Maximum number of users in the network */
 760         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 761 #endif
 762
 763         return CONNECTED;
 764 } /* IRC_Send_LUSERS */
 765
 766
 767 GLOBAL BOOLEAN
 768 IRC_Show_MOTD( CLIENT *Client )
 769 {
 770         BOOLEAN ok;
 771         CHAR line[127];
 772         FILE *fd;
 773
 774         assert( Client != NULL );
 775
 776         fd = fopen( Conf_MotdFile, "r" );
 777         if( ! fd )
 778         {
 779                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 780                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 781         }
 782
 783         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 784         while( TRUE )
 785         {
 786                 if( ! fgets( line, 126, fd )) break;
 787                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 788                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 789                 {
 790                         fclose( fd );
 791                         return FALSE;
 792                 }
 793         }
 794         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 795
 796         fclose( fd );
 797
 798         return ok;
 799 } /* IRC_Show_MOTD */
 800
 801
 802 GLOBAL BOOLEAN
 803 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 804 {
 805         BOOLEAN is_visible, is_member;
 806         CHAR str[LINE_LEN + 1];
 807         CL2CHAN *cl2chan;
 808         CLIENT *cl;
 809
 810         assert( Client != NULL );
 811         assert( Chan != NULL );
 812
 813         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 814         else is_member = FALSE;
 815
 816         /* Alle Mitglieder suchen */
 817         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 818         cl2chan = Channel_FirstMember( Chan );
 819         while( cl2chan )
 820         {
 821                 cl = Channel_GetClient( cl2chan );
 822
 823                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 824                 else is_visible = TRUE;
 825
 826                 if( is_member || is_visible )
 827                 {
 828                         /* Nick anhaengen */
 829                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 830                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 831                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 832                         strlcat( str, Client_ID( cl ), sizeof( str ));
 833
 834                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 835                         {
 836                                 /* Zeile wird zu lang: senden! */
 837                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 838                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 839                         }
 840                 }
 841
 842                 /* naechstes Mitglied suchen */
 843                 cl2chan = Channel_NextMember( Chan, cl2chan );
 844         }
 845         if( str[strlen( str ) - 1] != ':')
 846         {
 847                 /* Es sind noch Daten da, die gesendet werden muessen */
 848                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 849         }
 850
 851         return CONNECTED;
 852 } /* IRC_Send_NAMES */
 853
 854
 855 GLOBAL BOOLEAN
 856 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 857 {
 858         BOOLEAN is_visible, is_member;
 859         CL2CHAN *cl2chan;
 860         CHAR flags[8];
 861         CLIENT *c;
 862
 863         assert( Client != NULL );
 864         assert( Chan != NULL );
 865
 866         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 867         else is_member = FALSE;
 868
 869         /* Alle Mitglieder suchen */
 870         cl2chan = Channel_FirstMember( Chan );
 871         while( cl2chan )
 872         {
 873                 c = Channel_GetClient( cl2chan );
 874
 875                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 876                 else is_visible = TRUE;
 877
 878                 if( is_member || is_visible )
 879                 {
 880                         /* Flags zusammenbasteln */
 881                         strcpy( flags, "H" );
 882                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 883                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 884                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 885
 886                         /* ausgeben */
 887                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 888                         {
 889                                 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;
 890                         }
 891                 }
 892
 893                 /* naechstes Mitglied suchen */
 894                 cl2chan = Channel_NextMember( Chan, cl2chan );
 895         }
 896         return CONNECTED;
 897 } /* IRC_Send_WHO */
 898
 899
 900 /* -eof- */