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 1.15 2003/03/31 15:54:21 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 #include "ngircd.h"
  26 #include "conn-func.h"
  27 #include "conn-zip.h"
  28 #include "client.h"
  29 #include "channel.h"
  30 #include "resolve.h"
  31 #include "conf.h"
  32 #include "defines.h"
  33 #include "log.h"
  34 #include "messages.h"
  35 #include "tool.h"
  36 #include "parse.h"
  37 #include "irc-write.h"
  38
  39 #include "exp.h"
  40 #include "irc-info.h"
  41
  42
  43 GLOBAL BOOLEAN
  44 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
  45 {
  46         CLIENT *target, *prefix;
  47
  48         assert( Client != NULL );
  49         assert( Req != NULL );
  50
  51         /* Falsche Anzahl Parameter? */
  52         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  53
  54         /* Ziel suchen */
  55         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
  56         else target = Client_ThisServer( );
  57
  58         /* Prefix ermitteln */
  59         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
  60         else prefix = Client;
  61         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
  62
  63         /* An anderen Server weiterleiten? */
  64         if( target != Client_ThisServer( ))
  65         {
  66                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
  67
  68                 /* forwarden */
  69                 IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
  70                 return CONNECTED;
  71         }
  72
  73         /* mit Versionsinfo antworten */
  74         if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
  75         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
  76         if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
  77         if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
  78
  79         return CONNECTED;
  80 } /* IRC_ADMIN */
  81
  82
  83 GLOBAL BOOLEAN
  84 IRC_ISON( CLIENT *Client, REQUEST *Req )
  85 {
  86         CHAR rpl[COMMAND_LEN];
  87         CLIENT *c;
  88         CHAR *ptr;
  89         INT i;
  90
  91         assert( Client != NULL );
  92         assert( Req != NULL );
  93
  94         /* Falsche Anzahl Parameter? */
  95         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  96
  97         strcpy( rpl, RPL_ISON_MSG );
  98         for( i = 0; i < Req->argc; i++ )
  99         {
 100                 ptr = strtok( Req->argv[i], " " );
 101                 while( ptr )
 102                 {
 103                         ngt_TrimStr( ptr );
 104                         c = Client_Search( ptr );
 105                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 106                         {
 107                                 /* Dieser Nick ist "online" */
 108                                 strlcat( rpl, ptr, sizeof( rpl ));
 109                                 strlcat( rpl, " ", sizeof( rpl ));
 110                         }
 111                         ptr = strtok( NULL, " " );
 112                 }
 113         }
 114         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 115
 116         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 117 } /* IRC_ISON */
 118
 119
 120 GLOBAL BOOLEAN
 121 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 122 {
 123         CLIENT *target, *from, *c;
 124         CHAR *mask;
 125
 126         assert( Client != NULL );
 127         assert( Req != NULL );
 128
 129         /* Falsche Anzahl Parameter? */
 130         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 131
 132         /* Server-Mask ermitteln */
 133         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 134         else mask = "*";
 135
 136         /* Absender ermitteln */
 137         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 138         else from = Client;
 139         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 140
 141         /* An anderen Server forwarden? */
 142         if( Req->argc == 2 )
 143         {
 144                 target = Client_Search( Req->argv[0] );
 145                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 146                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 147         }
 148
 149         /* Wer ist der Absender? */
 150         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 151         else target = Client;
 152         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 153
 154         c = Client_First( );
 155         while( c )
 156         {
 157                 if( Client_Type( c ) == CLIENT_SERVER )
 158                 {
 159                         if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
 160                 }
 161                 c = Client_Next( c );
 162         }
 163
 164         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 165 } /* IRC_LINKS */
 166
 167
 168 GLOBAL BOOLEAN
 169 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 170 {
 171         CLIENT *target, *from;
 172
 173         assert( Client != NULL );
 174         assert( Req != NULL );
 175
 176         /* Falsche Anzahl Parameter? */
 177         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 178
 179         /* Absender ermitteln */
 180         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 181         else from = Client;
 182         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 183
 184         /* An anderen Server forwarden? */
 185         if( Req->argc == 2 )
 186         {
 187                 target = Client_Search( Req->argv[1] );
 188                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 189                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 190         }
 191
 192         /* Wer ist der Absender? */
 193         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 194         else target = Client;
 195         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 196
 197         IRC_Send_LUSERS( target );
 198
 199         return CONNECTED;
 200 } /* IRC_LUSERS */
 201
 202
 203 GLOBAL BOOLEAN
 204 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 205 {
 206         CLIENT *from, *target;
 207
 208         assert( Client != NULL );
 209         assert( Req != NULL );
 210
 211         /* Falsche Anzahl Parameter? */
 212         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 213
 214         /* From aus Prefix ermitteln */
 215         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 216         else from = Client;
 217         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 218
 219         if( Req->argc == 1 )
 220         {
 221                 /* an anderen Server forwarden */
 222                 target = Client_Search( Req->argv[0] );
 223                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 224
 225                 if( target != Client_ThisServer( ))
 226                 {
 227                         /* Ok, anderer Server ist das Ziel: forwarden */
 228                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 229                 }
 230         }
 231
 232         return IRC_Show_MOTD( from );
 233 } /* IRC_MOTD */
 234
 235
 236 GLOBAL BOOLEAN
 237 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 238 {
 239         CHAR rpl[COMMAND_LEN], *ptr;
 240         CLIENT *target, *from, *c;
 241         CHANNEL *chan;
 242
 243         assert( Client != NULL );
 244         assert( Req != NULL );
 245
 246         /* Falsche Anzahl Parameter? */
 247         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 248
 249         /* From aus Prefix ermitteln */
 250         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 251         else from = Client;
 252         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 253
 254         if( Req->argc == 2 )
 255         {
 256                 /* an anderen Server forwarden */
 257                 target = Client_Search( Req->argv[1] );
 258                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 259
 260                 if( target != Client_ThisServer( ))
 261                 {
 262                         /* Ok, anderer Server ist das Ziel: forwarden */
 263                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 264                 }
 265         }
 266
 267         if( Req->argc > 0 )
 268         {
 269                 /* bestimmte Channels durchgehen */
 270                 ptr = strtok( Req->argv[0], "," );
 271                 while( ptr )
 272                 {
 273                         chan = Channel_Search( ptr );
 274                         if( chan )
 275                         {
 276                                 /* Namen ausgeben */
 277                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 278                         }
 279                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 280
 281                         /* naechsten Namen ermitteln */
 282                         ptr = strtok( NULL, "," );
 283                 }
 284                 return CONNECTED;
 285         }
 286
 287         /* alle Channels durchgehen */
 288         chan = Channel_First( );
 289         while( chan )
 290         {
 291                 /* Namen ausgeben */
 292                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 293
 294                 /* naechster Channel */
 295                 chan = Channel_Next( chan );
 296         }
 297
 298         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 299         c = Client_First( );
 300         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 301         while( c )
 302         {
 303                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 304                 {
 305                         /* Okay, das ist ein User: anhaengen */
 306                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 307                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 308
 309                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 310                         {
 311                                 /* Zeile wird zu lang: senden! */
 312                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 313                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 314                         }
 315                 }
 316
 317                 /* naechster Client */
 318                 c = Client_Next( c );
 319         }
 320         if( rpl[strlen( rpl ) - 1] != ':')
 321         {
 322                 /* es wurden User gefunden */
 323                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 324         }
 325
 326         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 327 } /* IRC_NAMES */
 328
 329
 330 GLOBAL BOOLEAN
 331 IRC_STATS( CLIENT *Client, REQUEST *Req )
 332 {
 333         CLIENT *from, *target, *cl;
 334         CONN_ID con;
 335         CHAR query;
 336         COMMAND *cmd;
 337
 338         assert( Client != NULL );
 339         assert( Req != NULL );
 340
 341         /* Falsche Anzahl Parameter? */
 342         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 343
 344         /* From aus Prefix ermitteln */
 345         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 346         else from = Client;
 347         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 348
 349         if( Req->argc == 2 )
 350         {
 351                 /* an anderen Server forwarden */
 352                 target = Client_Search( Req->argv[1] );
 353                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 354
 355                 if( target != Client_ThisServer( ))
 356                 {
 357                         /* Ok, anderer Server ist das Ziel: forwarden */
 358                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 359                 }
 360         }
 361
 362         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 363         else query = '*';
 364
 365         switch ( query )
 366         {
 367                 case 'l':       /* Links */
 368                 case 'L':
 369                         con = Conn_First( );
 370                         while( con != NONE )
 371                         {
 372                                 cl = Client_GetFromConn( con );
 373                                 if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
 374                                 {
 375                                         /* Server link or our own connection */
 376 #ifdef USE_ZLIB
 377                                         if( Conn_Options( con ) & CONN_ZIP )
 378                                         {
 379                                                 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;
 380                                         }
 381                                         else
 382 #endif
 383                                         {
 384                                                 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;
 385                                         }
 386                                 }
 387                                 con = Conn_Next( con );
 388                         }
 389                         break;
 390                 case 'm':       /* IRC-Befehle */
 391                 case 'M':
 392                         cmd = Parse_GetCommandStruct( );
 393                         while( cmd->name )
 394                         {
 395                                 if( cmd->lcount > 0 || cmd->rcount > 0 )
 396                                 {
 397                                         if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
 398                                 }
 399                                 cmd++;
 400                         }
 401                         break;
 402         }
 403
 404         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 405 } /* IRC_STATS */
 406
 407
 408 GLOBAL BOOLEAN
 409 IRC_TIME( CLIENT *Client, REQUEST *Req )
 410 {
 411         CLIENT *from, *target;
 412         CHAR t_str[64];
 413         time_t t;
 414
 415         assert( Client != NULL );
 416         assert( Req != NULL );
 417
 418         /* Falsche Anzahl Parameter? */
 419         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 420
 421         /* From aus Prefix ermitteln */
 422         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 423         else from = Client;
 424         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 425
 426         if( Req->argc == 1 )
 427         {
 428                 /* an anderen Server forwarden */
 429                 target = Client_Search( Req->argv[0] );
 430                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 431
 432                 if( target != Client_ThisServer( ))
 433                 {
 434                         /* Ok, anderer Server ist das Ziel: forwarden */
 435                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 436                 }
 437         }
 438
 439         t = time( NULL );
 440         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %z", localtime( &t ));
 441         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 442 } /* IRC_TIME */
 443
 444
 445 GLOBAL BOOLEAN
 446 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 447 {
 448         CHAR rpl[COMMAND_LEN];
 449         CLIENT *c;
 450         INT max, i;
 451
 452         assert( Client != NULL );
 453         assert( Req != NULL );
 454
 455         /* Falsche Anzahl Parameter? */
 456         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 457
 458         if( Req->argc > 5 ) max = 5;
 459         else max = Req->argc;
 460
 461         strcpy( rpl, RPL_USERHOST_MSG );
 462         for( i = 0; i < max; i++ )
 463         {
 464                 c = Client_Search( Req->argv[i] );
 465                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 466                 {
 467                         /* Dieser Nick ist "online" */
 468                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 469                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 470                         strlcat( rpl, "=", sizeof( rpl ));
 471                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 472                         else strlcat( rpl, "+", sizeof( rpl ));
 473                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 474                         strlcat( rpl, "@", sizeof( rpl ));
 475                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 476                         strlcat( rpl, " ", sizeof( rpl ));
 477                 }
 478         }
 479         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 480
 481         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 482 } /* IRC_USERHOST */
 483
 484
 485 GLOBAL BOOLEAN
 486 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 487 {
 488         CLIENT *target, *prefix;
 489
 490         assert( Client != NULL );
 491         assert( Req != NULL );
 492
 493         /* Falsche Anzahl Parameter? */
 494         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 495
 496         /* Ziel suchen */
 497         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 498         else target = Client_ThisServer( );
 499
 500         /* Prefix ermitteln */
 501         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 502         else prefix = Client;
 503         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 504
 505         /* An anderen Server weiterleiten? */
 506         if( target != Client_ThisServer( ))
 507         {
 508                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 509
 510                 /* forwarden */
 511                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 512                 return CONNECTED;
 513         }
 514
 515         /* mit Versionsinfo antworten */
 516         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 517 } /* IRC_VERSION */
 518
 519
 520 GLOBAL BOOLEAN
 521 IRC_WHO( CLIENT *Client, REQUEST *Req )
 522 {
 523         BOOLEAN ok, only_ops;
 524         CHAR flags[8], *ptr;
 525         CL2CHAN *cl2chan;
 526         CHANNEL *chan;
 527         CLIENT *c;
 528
 529         assert( Client != NULL );
 530         assert( Req != NULL );
 531
 532         /* Falsche Anzahl Parameter? */
 533         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 534
 535         only_ops = FALSE;
 536         chan = NULL;
 537
 538         if( Req->argc == 2 )
 539         {
 540                 /* Nur OPs anzeigen? */
 541                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 542 #ifdef STRICT_RFC
 543                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 544 #endif
 545         }
 546
 547         if( Req->argc >= 1 )
 548         {
 549                 /* wurde ein Channel oder Nick-Mask angegeben? */
 550                 chan = Channel_Search( Req->argv[0] );
 551         }
 552
 553         if( chan )
 554         {
 555                 /* User eines Channels ausgeben */
 556                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 557         }
 558
 559         c = Client_First( );
 560         while( c )
 561         {
 562                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 563                 {
 564                         ok = FALSE;
 565                         if( Req->argc == 0 ) ok = TRUE;
 566                         else
 567                         {
 568                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 569                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 570                         }
 571
 572                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 573                         {
 574                                 /* Flags zusammenbasteln */
 575                                 strcpy( flags, "H" );
 576                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 577
 578                                 /* ausgeben */
 579                                 cl2chan = Channel_FirstChannelOf( c );
 580                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 581                                 else ptr = "*";
 582                                 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;
 583                         }
 584                 }
 585
 586                 /* naechster Client */
 587                 c = Client_Next( c );
 588         }
 589
 590         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 591         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 592         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 593 } /* IRC_WHO */
 594
 595
 596 GLOBAL BOOLEAN
 597 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 598 {
 599         CLIENT *from, *target, *c;
 600         CHAR str[LINE_LEN + 1];
 601         CL2CHAN *cl2chan;
 602         CHANNEL *chan;
 603
 604         assert( Client != NULL );
 605         assert( Req != NULL );
 606
 607         /* Bad number of parameters? */
 608         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 609
 610         /* Search client */
 611         c = Client_Search( Req->argv[Req->argc - 1] );
 612         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 613
 614         /* Search sender of the WHOIS */
 615         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 616         else from = Client;
 617         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 618
 619         /* Forward to other server? */
 620         if( Req->argc > 1 )
 621         {
 622                 /* Search target server (can be specified as nick of that server!) */
 623                 target = Client_Search( Req->argv[0] );
 624                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 625         }
 626         else target = Client_ThisServer( );
 627
 628         assert( target != NULL );
 629
 630         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] );
 631
 632         /* Nick, user and name */
 633         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 634
 635         /* Server */
 636         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;
 637
 638         /* Channels */
 639         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 640         cl2chan = Channel_FirstChannelOf( c );
 641         while( cl2chan )
 642         {
 643                 chan = Channel_GetChannel( cl2chan );
 644                 assert( chan != NULL );
 645
 646                 /* Concatenate channel names */
 647                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 648                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 649                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 650                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 651
 652                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 653                 {
 654                         /* Line becomes too long: send it! */
 655                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 656                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 657                 }
 658
 659                 /* next */
 660                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 661         }
 662         if( str[strlen( str ) - 1] != ':')
 663         {
 664                 /* There is data left to send: */
 665                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 666         }
 667
 668         /* IRC-Operator? */
 669         if( Client_HasMode( c, 'o' ))
 670         {
 671                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 672         }
 673
 674         /* Idle (only local clients) */
 675         if( Client_Conn( c ) > NONE )
 676         {
 677                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 678         }
 679
 680         /* Away? */
 681         if( Client_HasMode( c, 'a' ))
 682         {
 683                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 684         }
 685
 686         /* End of Whois */
 687         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 688 } /* IRC_WHOIS */
 689
 690
 691 GLOBAL BOOLEAN
 692 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 693 {
 694         assert( Client != NULL );
 695         assert( Req != NULL );
 696
 697         /* Falsche Anzahl Parameter? */
 698         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 699
 700         /* ... */
 701
 702         return CONNECTED;
 703 } /* IRC_WHOWAS */
 704
 705
 706 GLOBAL BOOLEAN
 707 IRC_Send_LUSERS( CLIENT *Client )
 708 {
 709         LONG cnt;
 710
 711         assert( Client != NULL );
 712
 713         /* Users, services and serevers in the network */
 714         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 715
 716         /* Number of IRC operators */
 717         cnt = Client_OperCount( );
 718         if( cnt > 0 )
 719         {
 720                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 721         }
 722
 723         /* Unknown connections */
 724         cnt = Client_UnknownCount( );
 725         if( cnt > 0 )
 726         {
 727                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 728         }
 729
 730         /* Number of created channels */
 731         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 732
 733         /* Number of local users, services and servers */
 734         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 735
 736 #ifndef STRICT_RFC
 737         /* Maximum number of local users */
 738         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 739         /* Maximum number of users in the network */
 740         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 741 #endif
 742
 743         return CONNECTED;
 744 } /* IRC_Send_LUSERS */
 745
 746
 747 GLOBAL BOOLEAN
 748 IRC_Show_MOTD( CLIENT *Client )
 749 {
 750         BOOLEAN ok;
 751         CHAR line[127];
 752         FILE *fd;
 753
 754         assert( Client != NULL );
 755
 756         fd = fopen( Conf_MotdFile, "r" );
 757         if( ! fd )
 758         {
 759                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 760                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 761         }
 762
 763         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 764         while( TRUE )
 765         {
 766                 if( ! fgets( line, 126, fd )) break;
 767                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 768                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 769                 {
 770                         fclose( fd );
 771                         return FALSE;
 772                 }
 773         }
 774         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 775
 776         fclose( fd );
 777
 778         return ok;
 779 } /* IRC_Show_MOTD */
 780
 781
 782 GLOBAL BOOLEAN
 783 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 784 {
 785         BOOLEAN is_visible, is_member;
 786         CHAR str[LINE_LEN + 1];
 787         CL2CHAN *cl2chan;
 788         CLIENT *cl;
 789
 790         assert( Client != NULL );
 791         assert( Chan != NULL );
 792
 793         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 794         else is_member = FALSE;
 795
 796         /* Alle Mitglieder suchen */
 797         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 798         cl2chan = Channel_FirstMember( Chan );
 799         while( cl2chan )
 800         {
 801                 cl = Channel_GetClient( cl2chan );
 802
 803                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 804                 else is_visible = TRUE;
 805
 806                 if( is_member || is_visible )
 807                 {
 808                         /* Nick anhaengen */
 809                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 810                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 811                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 812                         strlcat( str, Client_ID( cl ), sizeof( str ));
 813
 814                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 815                         {
 816                                 /* Zeile wird zu lang: senden! */
 817                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 818                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 819                         }
 820                 }
 821
 822                 /* naechstes Mitglied suchen */
 823                 cl2chan = Channel_NextMember( Chan, cl2chan );
 824         }
 825         if( str[strlen( str ) - 1] != ':')
 826         {
 827                 /* Es sind noch Daten da, die gesendet werden muessen */
 828                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 829         }
 830
 831         return CONNECTED;
 832 } /* IRC_Send_NAMES */
 833
 834
 835 GLOBAL BOOLEAN
 836 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 837 {
 838         BOOLEAN is_visible, is_member;
 839         CL2CHAN *cl2chan;
 840         CHAR flags[8];
 841         CLIENT *c;
 842
 843         assert( Client != NULL );
 844         assert( Chan != NULL );
 845
 846         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 847         else is_member = FALSE;
 848
 849         /* Alle Mitglieder suchen */
 850         cl2chan = Channel_FirstMember( Chan );
 851         while( cl2chan )
 852         {
 853                 c = Channel_GetClient( cl2chan );
 854
 855                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 856                 else is_visible = TRUE;
 857
 858                 if( is_member || is_visible )
 859                 {
 860                         /* Flags zusammenbasteln */
 861                         strcpy( flags, "H" );
 862                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 863                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 864                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 865
 866                         /* ausgeben */
 867                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 868                         {
 869                                 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;
 870                         }
 871                 }
 872
 873                 /* naechstes Mitglied suchen */
 874                 cl2chan = Channel_NextMember( Chan, cl2chan );
 875         }
 876         return CONNECTED;
 877 } /* IRC_Send_WHO */
 878
 879
 880 /* -eof- */