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 1.18 2003/11/05 23:24:48 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 "cvs-version.h"
  27 #include "conn-func.h"
  28 #include "conn-zip.h"
  29 #include "client.h"
  30 #include "channel.h"
  31 #include "resolve.h"
  32 #include "conf.h"
  33 #include "defines.h"
  34 #include "log.h"
  35 #include "messages.h"
  36 #include "tool.h"
  37 #include "parse.h"
  38 #include "irc-write.h"
  39
  40 #include "exp.h"
  41 #include "irc-info.h"
  42
  43
  44 GLOBAL BOOLEAN
  45 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  46 {
  47         CLIENT *target, *prefix;
  48
  49         assert( Client != NULL );
  50         assert( Req != NULL );
  51
  52         /* Falsche Anzahl Parameter? */
  53         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  54
  55         /* Ziel suchen */
  56         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  57         else target = Client_ThisServer( );
  58
  59         /* Prefix ermitteln */
  60         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  61         else prefix = Client;
  62         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  63
  64         /* An anderen Server weiterleiten? */
  65         if( target != Client_ThisServer( ))
  66         {
  67                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  68
  69                 /* forwarden */
  70                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  71                 return CONNECTED;
  72         }
  73
  74         /* mit Versionsinfo antworten */
  75         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  76         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  77         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  78         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  79
  80         IRC_SetPenalty( Client, 1 );
  81         return CONNECTED;
  82 } /* IRC_ADMIN */
  83
  84
  85 GLOBAL BOOLEAN
  86 IRC_ISON( CLIENT *Client, REQUEST *Req )
  87 {
  88         CHAR rpl[COMMAND_LEN];
  89         CLIENT *c;
  90         CHAR *ptr;
  91         INT i;
  92
  93         assert( Client != NULL );
  94         assert( Req != NULL );
  95
  96         /* Falsche Anzahl Parameter? */
  97         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  98
  99         strcpy( rpl, RPL_ISON_MSG );
 100         for( i = 0; i < Req->argc; i++ )
 101         {
 102                 ptr = strtok( Req->argv[i], " " );
 103                 while( ptr )
 104                 {
 105                         ngt_TrimStr( ptr );
 106                         c = Client_Search( ptr );
 107                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 108                         {
 109                                 /* Dieser Nick ist "online" */
 110                                 strlcat( rpl, ptr, sizeof( rpl ));
 111                                 strlcat( rpl, " ", sizeof( rpl ));
 112                         }
 113                         ptr = strtok( NULL, " " );
 114                 }
 115         }
 116         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 117
 118         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 119 } /* IRC_ISON */
 120
 121
 122 GLOBAL BOOLEAN
 123 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 124 {
 125         CLIENT *target, *from, *c;
 126         CHAR *mask;
 127
 128         assert( Client != NULL );
 129         assert( Req != NULL );
 130
 131         /* Falsche Anzahl Parameter? */
 132         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 133
 134         /* Server-Mask ermitteln */
 135         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 136         else mask = "*";
 137
 138         /* Absender ermitteln */
 139         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 140         else from = Client;
 141         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 142
 143         /* An anderen Server forwarden? */
 144         if( Req->argc == 2 )
 145         {
 146                 target = Client_Search( Req->argv[0] );
 147                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 148                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 149         }
 150
 151         /* Wer ist der Absender? */
 152         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 153         else target = Client;
 154         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 155
 156         c = Client_First( );
 157         while( c )
 158         {
 159                 if( Client_Type( c ) == CLIENT_SERVER )
 160                 {
 161                         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;
 162                 }
 163                 c = Client_Next( c );
 164         }
 165
 166         IRC_SetPenalty( target, 1 );
 167         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 168 } /* IRC_LINKS */
 169
 170
 171 GLOBAL BOOLEAN
 172 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 173 {
 174         CLIENT *target, *from;
 175
 176         assert( Client != NULL );
 177         assert( Req != NULL );
 178
 179         /* Falsche Anzahl Parameter? */
 180         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 181
 182         /* Absender ermitteln */
 183         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 184         else from = Client;
 185         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 186
 187         /* An anderen Server forwarden? */
 188         if( Req->argc == 2 )
 189         {
 190                 target = Client_Search( Req->argv[1] );
 191                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 192                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 193         }
 194
 195         /* Wer ist der Absender? */
 196         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 197         else target = Client;
 198         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 199
 200         IRC_Send_LUSERS( target );
 201
 202         IRC_SetPenalty( target, 1 );
 203         return CONNECTED;
 204 } /* IRC_LUSERS */
 205
 206
 207 GLOBAL BOOLEAN
 208 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 209 {
 210         CLIENT *from, *target;
 211
 212         assert( Client != NULL );
 213         assert( Req != NULL );
 214
 215         /* Falsche Anzahl Parameter? */
 216         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 217
 218         /* From aus Prefix ermitteln */
 219         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 220         else from = Client;
 221         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 222
 223         if( Req->argc == 1 )
 224         {
 225                 /* an anderen Server forwarden */
 226                 target = Client_Search( Req->argv[0] );
 227                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 228
 229                 if( target != Client_ThisServer( ))
 230                 {
 231                         /* Ok, anderer Server ist das Ziel: forwarden */
 232                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 233                 }
 234         }
 235
 236         IRC_SetPenalty( from, 3 );
 237         return IRC_Show_MOTD( from );
 238 } /* IRC_MOTD */
 239
 240
 241 GLOBAL BOOLEAN
 242 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 243 {
 244         CHAR rpl[COMMAND_LEN], *ptr;
 245         CLIENT *target, *from, *c;
 246         CHANNEL *chan;
 247
 248         assert( Client != NULL );
 249         assert( Req != NULL );
 250
 251         /* Falsche Anzahl Parameter? */
 252         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 253
 254         /* From aus Prefix ermitteln */
 255         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 256         else from = Client;
 257         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 258
 259         if( Req->argc == 2 )
 260         {
 261                 /* an anderen Server forwarden */
 262                 target = Client_Search( Req->argv[1] );
 263                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 264
 265                 if( target != Client_ThisServer( ))
 266                 {
 267                         /* Ok, anderer Server ist das Ziel: forwarden */
 268                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 269                 }
 270         }
 271
 272         if( Req->argc > 0 )
 273         {
 274                 /* bestimmte Channels durchgehen */
 275                 ptr = strtok( Req->argv[0], "," );
 276                 while( ptr )
 277                 {
 278                         chan = Channel_Search( ptr );
 279                         if( chan )
 280                         {
 281                                 /* Namen ausgeben */
 282                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 283                         }
 284                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 285
 286                         /* naechsten Namen ermitteln */
 287                         ptr = strtok( NULL, "," );
 288                 }
 289                 return CONNECTED;
 290         }
 291
 292         /* alle Channels durchgehen */
 293         chan = Channel_First( );
 294         while( chan )
 295         {
 296                 /* Namen ausgeben */
 297                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 298
 299                 /* naechster Channel */
 300                 chan = Channel_Next( chan );
 301         }
 302
 303         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 304         c = Client_First( );
 305         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 306         while( c )
 307         {
 308                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 309                 {
 310                         /* Okay, das ist ein User: anhaengen */
 311                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 312                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 313
 314                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 315                         {
 316                                 /* Zeile wird zu lang: senden! */
 317                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 318                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 319                         }
 320                 }
 321
 322                 /* naechster Client */
 323                 c = Client_Next( c );
 324         }
 325         if( rpl[strlen( rpl ) - 1] != ':')
 326         {
 327                 /* es wurden User gefunden */
 328                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 329         }
 330
 331         IRC_SetPenalty( from, 1 );
 332         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 333 } /* IRC_NAMES */
 334
 335
 336 GLOBAL BOOLEAN
 337 IRC_STATS( CLIENT *Client, REQUEST *Req )
 338 {
 339         CLIENT *from, *target, *cl;
 340         CONN_ID con;
 341         CHAR query;
 342         COMMAND *cmd;
 343
 344         assert( Client != NULL );
 345         assert( Req != NULL );
 346
 347         /* Falsche Anzahl Parameter? */
 348         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 349
 350         /* From aus Prefix ermitteln */
 351         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 352         else from = Client;
 353         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 354
 355         if( Req->argc == 2 )
 356         {
 357                 /* an anderen Server forwarden */
 358                 target = Client_Search( Req->argv[1] );
 359                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 360
 361                 if( target != Client_ThisServer( ))
 362                 {
 363                         /* Ok, anderer Server ist das Ziel: forwarden */
 364                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 365                 }
 366         }
 367
 368         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 369         else query = '*';
 370
 371         switch ( query )
 372         {
 373                 case 'l':       /* Links */
 374                 case 'L':
 375                         con = Conn_First( );
 376                         while( con != NONE )
 377                         {
 378                                 cl = Client_GetFromConn( con );
 379                                 if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
 380                                 {
 381                                         /* Server link or our own connection */
 382 #ifdef USE_ZLIB
 383                                         if( Conn_Options( con ) & CONN_ZIP )
 384                                         {
 385                                                 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;
 386                                         }
 387                                         else
 388 #endif
 389                                         {
 390                                                 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;
 391                                         }
 392                                 }
 393                                 con = Conn_Next( con );
 394                         }
 395                         break;
 396                 case 'm':       /* IRC-Befehle */
 397                 case 'M':
 398                         cmd = Parse_GetCommandStruct( );
 399                         while( cmd->name )
 400                         {
 401                                 if( cmd->lcount > 0 || cmd->rcount > 0 )
 402                                 {
 403                                         if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
 404                                 }
 405                                 cmd++;
 406                         }
 407                         break;
 408         }
 409
 410         IRC_SetPenalty( from, 2 );
 411         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 412 } /* IRC_STATS */
 413
 414
 415 GLOBAL BOOLEAN
 416 IRC_TIME( CLIENT *Client, REQUEST *Req )
 417 {
 418         CLIENT *from, *target;
 419         CHAR t_str[64];
 420         time_t t;
 421
 422         assert( Client != NULL );
 423         assert( Req != NULL );
 424
 425         /* Falsche Anzahl Parameter? */
 426         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 427
 428         /* From aus Prefix ermitteln */
 429         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 430         else from = Client;
 431         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 432
 433         if( Req->argc == 1 )
 434         {
 435                 /* an anderen Server forwarden */
 436                 target = Client_Search( Req->argv[0] );
 437                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 438
 439                 if( target != Client_ThisServer( ))
 440                 {
 441                         /* Ok, anderer Server ist das Ziel: forwarden */
 442                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 443                 }
 444         }
 445
 446         t = time( NULL );
 447         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
 448         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 449 } /* IRC_TIME */
 450
 451
 452 GLOBAL BOOLEAN
 453 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 454 {
 455         CHAR rpl[COMMAND_LEN];
 456         CLIENT *c;
 457         INT max, i;
 458
 459         assert( Client != NULL );
 460         assert( Req != NULL );
 461
 462         /* Falsche Anzahl Parameter? */
 463         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 464
 465         if( Req->argc > 5 ) max = 5;
 466         else max = Req->argc;
 467
 468         strcpy( rpl, RPL_USERHOST_MSG );
 469         for( i = 0; i < max; i++ )
 470         {
 471                 c = Client_Search( Req->argv[i] );
 472                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 473                 {
 474                         /* Dieser Nick ist "online" */
 475                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 476                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 477                         strlcat( rpl, "=", sizeof( rpl ));
 478                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 479                         else strlcat( rpl, "+", sizeof( rpl ));
 480                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 481                         strlcat( rpl, "@", sizeof( rpl ));
 482                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 483                         strlcat( rpl, " ", sizeof( rpl ));
 484                 }
 485         }
 486         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 487
 488         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 489 } /* IRC_USERHOST */
 490
 491
 492 GLOBAL BOOLEAN
 493 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 494 {
 495         CLIENT *target, *prefix;
 496 #ifdef CVSDATE
 497         CHAR ver[12];
 498 #endif
 499
 500         assert( Client != NULL );
 501         assert( Req != NULL );
 502
 503         /* Falsche Anzahl Parameter? */
 504         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 505
 506         /* Ziel suchen */
 507         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 508         else target = Client_ThisServer( );
 509
 510         /* Prefix ermitteln */
 511         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 512         else prefix = Client;
 513         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 514
 515         /* An anderen Server weiterleiten? */
 516         if( target != Client_ThisServer( ))
 517         {
 518                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 519
 520                 /* forwarden */
 521                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 522                 return CONNECTED;
 523         }
 524
 525         /* mit Versionsinfo antworten */
 526         IRC_SetPenalty( Client, 1 );
 527 #ifdef CVSDATE
 528         strlcpy( ver, CVSDATE, sizeof( ver ));
 529         strncpy( ver + 4, ver + 5, 2 );
 530         strncpy( ver + 6, ver + 8, 3 );
 531         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, ver, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 532 #else
 533         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 534 #endif
 535 } /* IRC_VERSION */
 536
 537
 538 GLOBAL BOOLEAN
 539 IRC_WHO( CLIENT *Client, REQUEST *Req )
 540 {
 541         BOOLEAN ok, only_ops;
 542         CHAR flags[8], *ptr;
 543         CL2CHAN *cl2chan;
 544         CHANNEL *chan;
 545         CLIENT *c;
 546
 547         assert( Client != NULL );
 548         assert( Req != NULL );
 549
 550         /* Falsche Anzahl Parameter? */
 551         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 552
 553         only_ops = FALSE;
 554         chan = NULL;
 555
 556         if( Req->argc == 2 )
 557         {
 558                 /* Nur OPs anzeigen? */
 559                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 560 #ifdef STRICT_RFC
 561                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 562 #endif
 563         }
 564
 565         if( Req->argc >= 1 )
 566         {
 567                 /* wurde ein Channel oder Nick-Mask angegeben? */
 568                 chan = Channel_Search( Req->argv[0] );
 569         }
 570
 571         if( chan )
 572         {
 573                 /* User eines Channels ausgeben */
 574                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 575         }
 576
 577         c = Client_First( );
 578         while( c )
 579         {
 580                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 581                 {
 582                         ok = FALSE;
 583                         if( Req->argc == 0 ) ok = TRUE;
 584                         else
 585                         {
 586                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 587                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 588                         }
 589
 590                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 591                         {
 592                                 /* Flags zusammenbasteln */
 593                                 strcpy( flags, "H" );
 594                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 595
 596                                 /* ausgeben */
 597                                 cl2chan = Channel_FirstChannelOf( c );
 598                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 599                                 else ptr = "*";
 600                                 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;
 601                         }
 602                 }
 603
 604                 /* naechster Client */
 605                 c = Client_Next( c );
 606         }
 607
 608         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 609         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 610         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 611 } /* IRC_WHO */
 612
 613
 614 GLOBAL BOOLEAN
 615 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 616 {
 617         CLIENT *from, *target, *c;
 618         CHAR str[LINE_LEN + 1];
 619         CL2CHAN *cl2chan;
 620         CHANNEL *chan;
 621
 622         assert( Client != NULL );
 623         assert( Req != NULL );
 624
 625         /* Bad number of parameters? */
 626         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 627
 628         /* Search client */
 629         c = Client_Search( Req->argv[Req->argc - 1] );
 630         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 631
 632         /* Search sender of the WHOIS */
 633         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 634         else from = Client;
 635         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 636
 637         /* Forward to other server? */
 638         if( Req->argc > 1 )
 639         {
 640                 /* Search target server (can be specified as nick of that server!) */
 641                 target = Client_Search( Req->argv[0] );
 642                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 643         }
 644         else target = Client_ThisServer( );
 645
 646         assert( target != NULL );
 647
 648         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] );
 649
 650         /* Nick, user and name */
 651         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 652
 653         /* Server */
 654         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;
 655
 656         /* Channels */
 657         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 658         cl2chan = Channel_FirstChannelOf( c );
 659         while( cl2chan )
 660         {
 661                 chan = Channel_GetChannel( cl2chan );
 662                 assert( chan != NULL );
 663
 664                 /* Concatenate channel names */
 665                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 666                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 667                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 668                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 669
 670                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 671                 {
 672                         /* Line becomes too long: send it! */
 673                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 674                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 675                 }
 676
 677                 /* next */
 678                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 679         }
 680         if( str[strlen( str ) - 1] != ':')
 681         {
 682                 /* There is data left to send: */
 683                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 684         }
 685
 686         /* IRC-Operator? */
 687         if( Client_HasMode( c, 'o' ))
 688         {
 689                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 690         }
 691
 692         /* Idle (only local clients) */
 693         if( Client_Conn( c ) > NONE )
 694         {
 695                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 696         }
 697
 698         /* Away? */
 699         if( Client_HasMode( c, 'a' ))
 700         {
 701                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 702         }
 703
 704         /* End of Whois */
 705         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 706 } /* IRC_WHOIS */
 707
 708
 709 GLOBAL BOOLEAN
 710 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 711 {
 712         assert( Client != NULL );
 713         assert( Req != NULL );
 714
 715         /* Falsche Anzahl Parameter? */
 716         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 717
 718         /* ... */
 719
 720         return CONNECTED;
 721 } /* IRC_WHOWAS */
 722
 723
 724 GLOBAL BOOLEAN
 725 IRC_Send_LUSERS( CLIENT *Client )
 726 {
 727         LONG cnt;
 728
 729         assert( Client != NULL );
 730
 731         /* Users, services and serevers in the network */
 732         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 733
 734         /* Number of IRC operators */
 735         cnt = Client_OperCount( );
 736         if( cnt > 0 )
 737         {
 738                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 739         }
 740
 741         /* Unknown connections */
 742         cnt = Client_UnknownCount( );
 743         if( cnt > 0 )
 744         {
 745                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 746         }
 747
 748         /* Number of created channels */
 749         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 750
 751         /* Number of local users, services and servers */
 752         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 753
 754 #ifndef STRICT_RFC
 755         /* Maximum number of local users */
 756         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 757         /* Maximum number of users in the network */
 758         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 759 #endif
 760
 761         return CONNECTED;
 762 } /* IRC_Send_LUSERS */
 763
 764
 765 GLOBAL BOOLEAN
 766 IRC_Show_MOTD( CLIENT *Client )
 767 {
 768         BOOLEAN ok;
 769         CHAR line[127];
 770         FILE *fd;
 771
 772         assert( Client != NULL );
 773
 774         fd = fopen( Conf_MotdFile, "r" );
 775         if( ! fd )
 776         {
 777                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 778                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 779         }
 780
 781         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 782         while( TRUE )
 783         {
 784                 if( ! fgets( line, 126, fd )) break;
 785                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 786                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 787                 {
 788                         fclose( fd );
 789                         return FALSE;
 790                 }
 791         }
 792         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 793
 794         fclose( fd );
 795
 796         return ok;
 797 } /* IRC_Show_MOTD */
 798
 799
 800 GLOBAL BOOLEAN
 801 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 802 {
 803         BOOLEAN is_visible, is_member;
 804         CHAR str[LINE_LEN + 1];
 805         CL2CHAN *cl2chan;
 806         CLIENT *cl;
 807
 808         assert( Client != NULL );
 809         assert( Chan != NULL );
 810
 811         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 812         else is_member = FALSE;
 813
 814         /* Alle Mitglieder suchen */
 815         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 816         cl2chan = Channel_FirstMember( Chan );
 817         while( cl2chan )
 818         {
 819                 cl = Channel_GetClient( cl2chan );
 820
 821                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 822                 else is_visible = TRUE;
 823
 824                 if( is_member || is_visible )
 825                 {
 826                         /* Nick anhaengen */
 827                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 828                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 829                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 830                         strlcat( str, Client_ID( cl ), sizeof( str ));
 831
 832                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 833                         {
 834                                 /* Zeile wird zu lang: senden! */
 835                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 836                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 837                         }
 838                 }
 839
 840                 /* naechstes Mitglied suchen */
 841                 cl2chan = Channel_NextMember( Chan, cl2chan );
 842         }
 843         if( str[strlen( str ) - 1] != ':')
 844         {
 845                 /* Es sind noch Daten da, die gesendet werden muessen */
 846                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 847         }
 848
 849         return CONNECTED;
 850 } /* IRC_Send_NAMES */
 851
 852
 853 GLOBAL BOOLEAN
 854 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 855 {
 856         BOOLEAN is_visible, is_member;
 857         CL2CHAN *cl2chan;
 858         CHAR flags[8];
 859         CLIENT *c;
 860
 861         assert( Client != NULL );
 862         assert( Chan != NULL );
 863
 864         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 865         else is_member = FALSE;
 866
 867         /* Alle Mitglieder suchen */
 868         cl2chan = Channel_FirstMember( Chan );
 869         while( cl2chan )
 870         {
 871                 c = Channel_GetClient( cl2chan );
 872
 873                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 874                 else is_visible = TRUE;
 875
 876                 if( is_member || is_visible )
 877                 {
 878                         /* Flags zusammenbasteln */
 879                         strcpy( flags, "H" );
 880                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 881                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 882                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 883
 884                         /* ausgeben */
 885                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 886                         {
 887                                 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;
 888                         }
 889                 }
 890
 891                 /* naechstes Mitglied suchen */
 892                 cl2chan = Channel_NextMember( Chan, cl2chan );
 893         }
 894         return CONNECTED;
 895 } /* IRC_Send_WHO */
 896
 897
 898 /* -eof- */