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 1.27 2005/03/02 16:35:11 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         ngt_TrimLastChr(rpl, ' ');
 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         ngt_TrimLastChr( rpl, ' ');
 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, *cn;
 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                                 /* Get flags */
 595                                 strcpy( flags, "H" );
 596                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 597
 598                                 /* Search suitable channel */
 599                                 cl2chan = Channel_FirstChannelOf( c );
 600                                 while( cl2chan )
 601                                 {
 602                                         cn = Channel_GetChannel( cl2chan );
 603                                         if( Channel_IsMemberOf( cn, Client ) ||
 604                                             ! strchr( Channel_Modes( cn ), 's' ))
 605                                         {
 606                                                 ptr = Channel_Name( cn );
 607                                                 break;
 608                                         }
 609                                         cl2chan = Channel_NextChannelOf( c, cl2chan );
 610                                 }
 611                                 if( ! cl2chan ) ptr = "*";
 612
 613                                 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;
 614                         }
 615                 }
 616
 617                 /* naechster Client */
 618                 c = Client_Next( c );
 619         }
 620
 621         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 622         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 623         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 624 } /* IRC_WHO */
 625
 626
 627 GLOBAL BOOLEAN
 628 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 629 {
 630         CLIENT *from, *target, *c;
 631         CHAR str[LINE_LEN + 1];
 632         CL2CHAN *cl2chan;
 633         CHANNEL *chan;
 634
 635         assert( Client != NULL );
 636         assert( Req != NULL );
 637
 638         /* Bad number of parameters? */
 639         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 640
 641         /* Search client */
 642         c = Client_Search( Req->argv[Req->argc - 1] );
 643         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 644
 645         /* Search sender of the WHOIS */
 646         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 647         else from = Client;
 648         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 649
 650         /* Forward to other server? */
 651         if( Req->argc > 1 )
 652         {
 653                 /* Search target server (can be specified as nick of that server!) */
 654                 target = Client_Search( Req->argv[0] );
 655                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 656         }
 657         else target = Client_ThisServer( );
 658
 659         assert( target != NULL );
 660
 661         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] );
 662
 663         /* Nick, user and name */
 664         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 665
 666         /* Server */
 667         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;
 668
 669         /* Channels */
 670         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 671         cl2chan = Channel_FirstChannelOf( c );
 672         while( cl2chan )
 673         {
 674                 chan = Channel_GetChannel( cl2chan );
 675                 assert( chan != NULL );
 676
 677                 /* next */
 678                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 679
 680                 /* Secret channel? */
 681                 if( strchr( Channel_Modes( chan ), 's' ) && ! Channel_IsMemberOf( chan, Client )) continue;
 682
 683                 /* Concatenate channel names */
 684                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 685                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 686                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 687                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 688
 689                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 690                 {
 691                         /* Line becomes too long: send it! */
 692                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 693                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 694                 }
 695         }
 696         if( str[strlen( str ) - 1] != ':')
 697         {
 698                 /* There is data left to send: */
 699                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 700         }
 701
 702         /* IRC-Operator? */
 703         if( Client_HasMode( c, 'o' ))
 704         {
 705                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 706         }
 707
 708         /* Idle (only local clients) */
 709         if( Client_Conn( c ) > NONE )
 710         {
 711                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 712         }
 713
 714         /* Away? */
 715         if( Client_HasMode( c, 'a' ))
 716         {
 717                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 718         }
 719
 720         /* End of Whois */
 721         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 722 } /* IRC_WHOIS */
 723
 724
 725 GLOBAL BOOLEAN
 726 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 727 {
 728         assert( Client != NULL );
 729         assert( Req != NULL );
 730
 731         /* Falsche Anzahl Parameter? */
 732         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 733
 734         /* ... */
 735
 736         return CONNECTED;
 737 } /* IRC_WHOWAS */
 738
 739
 740 GLOBAL BOOLEAN
 741 IRC_Send_LUSERS( CLIENT *Client )
 742 {
 743         LONG cnt;
 744
 745         assert( Client != NULL );
 746
 747         /* Users, services and serevers in the network */
 748         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 749
 750         /* Number of IRC operators */
 751         cnt = Client_OperCount( );
 752         if( cnt > 0 )
 753         {
 754                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 755         }
 756
 757         /* Unknown connections */
 758         cnt = Client_UnknownCount( );
 759         if( cnt > 0 )
 760         {
 761                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 762         }
 763
 764         /* Number of created channels */
 765         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 766
 767         /* Number of local users, services and servers */
 768         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 769
 770 #ifndef STRICT_RFC
 771         /* Maximum number of local users */
 772         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 773         /* Maximum number of users in the network */
 774         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 775 #endif
 776
 777         return CONNECTED;
 778 } /* IRC_Send_LUSERS */
 779
 780
 781 GLOBAL BOOLEAN
 782 IRC_Show_MOTD( CLIENT *Client )
 783 {
 784         BOOLEAN ok;
 785         CHAR line[127];
 786         FILE *fd;
 787
 788         assert( Client != NULL );
 789
 790         if( Conf_MotdPhrase[0] )
 791         {
 792                 if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
 793                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), Conf_MotdPhrase )) return DISCONNECTED;
 794                 return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
 795         }
 796
 797         fd = fopen( Conf_MotdFile, "r" );
 798         if( ! fd )
 799         {
 800                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 801                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 802         }
 803
 804         if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
 805         while( TRUE )
 806         {
 807                 if( ! fgets( line, sizeof( line ), fd )) break;
 808
 809                 ngt_TrimLastChr( line, '\n');
 810
 811                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 812                 {
 813                         fclose( fd );
 814                         return FALSE;
 815                 }
 816         }
 817         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 818
 819         fclose( fd );
 820
 821         return ok;
 822 } /* IRC_Show_MOTD */
 823
 824
 825 GLOBAL BOOLEAN
 826 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 827 {
 828         BOOLEAN is_visible, is_member;
 829         CHAR str[LINE_LEN + 1];
 830         CL2CHAN *cl2chan;
 831         CLIENT *cl;
 832
 833         assert( Client != NULL );
 834         assert( Chan != NULL );
 835
 836         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 837         else is_member = FALSE;
 838
 839         /* Secret channel? */
 840         if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
 841
 842         /* Alle Mitglieder suchen */
 843         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 844         cl2chan = Channel_FirstMember( Chan );
 845         while( cl2chan )
 846         {
 847                 cl = Channel_GetClient( cl2chan );
 848
 849                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 850                 else is_visible = TRUE;
 851
 852                 if( is_member || is_visible )
 853                 {
 854                         /* Nick anhaengen */
 855                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 856                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 857                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 858                         strlcat( str, Client_ID( cl ), sizeof( str ));
 859
 860                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 861                         {
 862                                 /* Zeile wird zu lang: senden! */
 863                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 864                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 865                         }
 866                 }
 867
 868                 /* naechstes Mitglied suchen */
 869                 cl2chan = Channel_NextMember( Chan, cl2chan );
 870         }
 871         if( str[strlen( str ) - 1] != ':')
 872         {
 873                 /* Es sind noch Daten da, die gesendet werden muessen */
 874                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 875         }
 876
 877         return CONNECTED;
 878 } /* IRC_Send_NAMES */
 879
 880
 881 GLOBAL BOOLEAN
 882 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 883 {
 884         BOOLEAN is_visible, is_member;
 885         CL2CHAN *cl2chan;
 886         CHAR flags[8];
 887         CLIENT *c;
 888
 889         assert( Client != NULL );
 890         assert( Chan != NULL );
 891
 892         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 893         else is_member = FALSE;
 894
 895         /* Secret channel? */
 896         if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
 897
 898         /* Alle Mitglieder suchen */
 899         cl2chan = Channel_FirstMember( Chan );
 900         while( cl2chan )
 901         {
 902                 c = Channel_GetClient( cl2chan );
 903
 904                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 905                 else is_visible = TRUE;
 906
 907                 if( is_member || is_visible )
 908                 {
 909                         /* Flags zusammenbasteln */
 910                         strcpy( flags, "H" );
 911                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 912                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 913                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 914
 915                         /* ausgeben */
 916                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 917                         {
 918                                 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;
 919                         }
 920                 }
 921
 922                 /* naechstes Mitglied suchen */
 923                 cl2chan = Channel_NextMember( Chan, cl2chan );
 924         }
 925         return CONNECTED;
 926 } /* IRC_Send_WHO */
 927
 928
 929 /* -eof- */