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 1.20 2003/12/26 15:55:07 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 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], vertxt[30];
 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         snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
 532         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 533 #else
 534         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 535 #endif
 536 } /* IRC_VERSION */
 537
 538
 539 GLOBAL BOOLEAN
 540 IRC_WHO( CLIENT *Client, REQUEST *Req )
 541 {
 542         BOOLEAN ok, only_ops;
 543         CHAR flags[8], *ptr;
 544         CL2CHAN *cl2chan;
 545         CHANNEL *chan;
 546         CLIENT *c;
 547
 548         assert( Client != NULL );
 549         assert( Req != NULL );
 550
 551         /* Falsche Anzahl Parameter? */
 552         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 553
 554         only_ops = FALSE;
 555         chan = NULL;
 556
 557         if( Req->argc == 2 )
 558         {
 559                 /* Nur OPs anzeigen? */
 560                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 561 #ifdef STRICT_RFC
 562                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 563 #endif
 564         }
 565
 566         if( Req->argc >= 1 )
 567         {
 568                 /* wurde ein Channel oder Nick-Mask angegeben? */
 569                 chan = Channel_Search( Req->argv[0] );
 570         }
 571
 572         if( chan )
 573         {
 574                 /* User eines Channels ausgeben */
 575                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 576         }
 577
 578         c = Client_First( );
 579         while( c )
 580         {
 581                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 582                 {
 583                         ok = FALSE;
 584                         if( Req->argc == 0 ) ok = TRUE;
 585                         else
 586                         {
 587                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 588                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 589                         }
 590
 591                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 592                         {
 593                                 /* Flags zusammenbasteln */
 594                                 strcpy( flags, "H" );
 595                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 596
 597                                 /* ausgeben */
 598                                 cl2chan = Channel_FirstChannelOf( c );
 599                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 600                                 else ptr = "*";
 601                                 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;
 602                         }
 603                 }
 604
 605                 /* naechster Client */
 606                 c = Client_Next( c );
 607         }
 608
 609         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 610         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 611         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 612 } /* IRC_WHO */
 613
 614
 615 GLOBAL BOOLEAN
 616 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 617 {
 618         CLIENT *from, *target, *c;
 619         CHAR str[LINE_LEN + 1];
 620         CL2CHAN *cl2chan;
 621         CHANNEL *chan;
 622
 623         assert( Client != NULL );
 624         assert( Req != NULL );
 625
 626         /* Bad number of parameters? */
 627         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 628
 629         /* Search client */
 630         c = Client_Search( Req->argv[Req->argc - 1] );
 631         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 632
 633         /* Search sender of the WHOIS */
 634         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 635         else from = Client;
 636         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 637
 638         /* Forward to other server? */
 639         if( Req->argc > 1 )
 640         {
 641                 /* Search target server (can be specified as nick of that server!) */
 642                 target = Client_Search( Req->argv[0] );
 643                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 644         }
 645         else target = Client_ThisServer( );
 646
 647         assert( target != NULL );
 648
 649         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] );
 650
 651         /* Nick, user and name */
 652         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 653
 654         /* Server */
 655         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;
 656
 657         /* Channels */
 658         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 659         cl2chan = Channel_FirstChannelOf( c );
 660         while( cl2chan )
 661         {
 662                 chan = Channel_GetChannel( cl2chan );
 663                 assert( chan != NULL );
 664
 665                 /* Concatenate channel names */
 666                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 667                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 668                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 669                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 670
 671                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 672                 {
 673                         /* Line becomes too long: send it! */
 674                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 675                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 676                 }
 677
 678                 /* next */
 679                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 680         }
 681         if( str[strlen( str ) - 1] != ':')
 682         {
 683                 /* There is data left to send: */
 684                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 685         }
 686
 687         /* IRC-Operator? */
 688         if( Client_HasMode( c, 'o' ))
 689         {
 690                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 691         }
 692
 693         /* Idle (only local clients) */
 694         if( Client_Conn( c ) > NONE )
 695         {
 696                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 697         }
 698
 699         /* Away? */
 700         if( Client_HasMode( c, 'a' ))
 701         {
 702                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 703         }
 704
 705         /* End of Whois */
 706         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 707 } /* IRC_WHOIS */
 708
 709
 710 GLOBAL BOOLEAN
 711 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 712 {
 713         assert( Client != NULL );
 714         assert( Req != NULL );
 715
 716         /* Falsche Anzahl Parameter? */
 717         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 718
 719         /* ... */
 720
 721         return CONNECTED;
 722 } /* IRC_WHOWAS */
 723
 724
 725 GLOBAL BOOLEAN
 726 IRC_Send_LUSERS( CLIENT *Client )
 727 {
 728         LONG cnt;
 729
 730         assert( Client != NULL );
 731
 732         /* Users, services and serevers in the network */
 733         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 734
 735         /* Number of IRC operators */
 736         cnt = Client_OperCount( );
 737         if( cnt > 0 )
 738         {
 739                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 740         }
 741
 742         /* Unknown connections */
 743         cnt = Client_UnknownCount( );
 744         if( cnt > 0 )
 745         {
 746                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 747         }
 748
 749         /* Number of created channels */
 750         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 751
 752         /* Number of local users, services and servers */
 753         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 754
 755 #ifndef STRICT_RFC
 756         /* Maximum number of local users */
 757         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 758         /* Maximum number of users in the network */
 759         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 760 #endif
 761
 762         return CONNECTED;
 763 } /* IRC_Send_LUSERS */
 764
 765
 766 GLOBAL BOOLEAN
 767 IRC_Show_MOTD( CLIENT *Client )
 768 {
 769         BOOLEAN ok;
 770         CHAR line[127];
 771         FILE *fd;
 772
 773         assert( Client != NULL );
 774
 775         fd = fopen( Conf_MotdFile, "r" );
 776         if( ! fd )
 777         {
 778                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 779                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 780         }
 781
 782         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 783         while( TRUE )
 784         {
 785                 if( ! fgets( line, 126, fd )) break;
 786                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 787                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 788                 {
 789                         fclose( fd );
 790                         return FALSE;
 791                 }
 792         }
 793         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 794
 795         fclose( fd );
 796
 797         return ok;
 798 } /* IRC_Show_MOTD */
 799
 800
 801 GLOBAL BOOLEAN
 802 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 803 {
 804         BOOLEAN is_visible, is_member;
 805         CHAR str[LINE_LEN + 1];
 806         CL2CHAN *cl2chan;
 807         CLIENT *cl;
 808
 809         assert( Client != NULL );
 810         assert( Chan != NULL );
 811
 812         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 813         else is_member = FALSE;
 814
 815         /* Alle Mitglieder suchen */
 816         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 817         cl2chan = Channel_FirstMember( Chan );
 818         while( cl2chan )
 819         {
 820                 cl = Channel_GetClient( cl2chan );
 821
 822                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 823                 else is_visible = TRUE;
 824
 825                 if( is_member || is_visible )
 826                 {
 827                         /* Nick anhaengen */
 828                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 829                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 830                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 831                         strlcat( str, Client_ID( cl ), sizeof( str ));
 832
 833                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 834                         {
 835                                 /* Zeile wird zu lang: senden! */
 836                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 837                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 838                         }
 839                 }
 840
 841                 /* naechstes Mitglied suchen */
 842                 cl2chan = Channel_NextMember( Chan, cl2chan );
 843         }
 844         if( str[strlen( str ) - 1] != ':')
 845         {
 846                 /* Es sind noch Daten da, die gesendet werden muessen */
 847                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 848         }
 849
 850         return CONNECTED;
 851 } /* IRC_Send_NAMES */
 852
 853
 854 GLOBAL BOOLEAN
 855 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 856 {
 857         BOOLEAN is_visible, is_member;
 858         CL2CHAN *cl2chan;
 859         CHAR flags[8];
 860         CLIENT *c;
 861
 862         assert( Client != NULL );
 863         assert( Chan != NULL );
 864
 865         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 866         else is_member = FALSE;
 867
 868         /* Alle Mitglieder suchen */
 869         cl2chan = Channel_FirstMember( Chan );
 870         while( cl2chan )
 871         {
 872                 c = Channel_GetClient( cl2chan );
 873
 874                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 875                 else is_visible = TRUE;
 876
 877                 if( is_member || is_visible )
 878                 {
 879                         /* Flags zusammenbasteln */
 880                         strcpy( flags, "H" );
 881                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 882                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 883                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 884
 885                         /* ausgeben */
 886                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 887                         {
 888                                 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;
 889                         }
 890                 }
 891
 892                 /* naechstes Mitglied suchen */
 893                 cl2chan = Channel_NextMember( Chan, cl2chan );
 894         }
 895         return CONNECTED;
 896 } /* IRC_Send_WHO */
 897
 898
 899 /* -eof- */