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 1.17 2003/06/06 20:46:11 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24
  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         return CONNECTED;
  81 } /* IRC_ADMIN */
  82
  83
  84 GLOBAL BOOLEAN
  85 IRC_ISON( CLIENT *Client, REQUEST *Req )
  86 {
  87         CHAR rpl[COMMAND_LEN];
  88         CLIENT *c;
  89         CHAR *ptr;
  90         INT i;
  91
  92         assert( Client != NULL );
  93         assert( Req != NULL );
  94
  95         /* Falsche Anzahl Parameter? */
  96         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  97
  98         strcpy( rpl, RPL_ISON_MSG );
  99         for( i = 0; i < Req->argc; i++ )
 100         {
 101                 ptr = strtok( Req->argv[i], " " );
 102                 while( ptr )
 103                 {
 104                         ngt_TrimStr( ptr );
 105                         c = Client_Search( ptr );
 106                         if( c && ( Client_Type( c ) == CLIENT_USER ))
 107                         {
 108                                 /* Dieser Nick ist "online" */
 109                                 strlcat( rpl, ptr, sizeof( rpl ));
 110                                 strlcat( rpl, " ", sizeof( rpl ));
 111                         }
 112                         ptr = strtok( NULL, " " );
 113                 }
 114         }
 115         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 116
 117         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 118 } /* IRC_ISON */
 119
 120
 121 GLOBAL BOOLEAN
 122 IRC_LINKS( CLIENT *Client, REQUEST *Req )
 123 {
 124         CLIENT *target, *from, *c;
 125         CHAR *mask;
 126
 127         assert( Client != NULL );
 128         assert( Req != NULL );
 129
 130         /* Falsche Anzahl Parameter? */
 131         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 132
 133         /* Server-Mask ermitteln */
 134         if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
 135         else mask = "*";
 136
 137         /* Absender ermitteln */
 138         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 139         else from = Client;
 140         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 141
 142         /* An anderen Server forwarden? */
 143         if( Req->argc == 2 )
 144         {
 145                 target = Client_Search( Req->argv[0] );
 146                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 147                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
 148         }
 149
 150         /* Wer ist der Absender? */
 151         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 152         else target = Client;
 153         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 154
 155         c = Client_First( );
 156         while( c )
 157         {
 158                 if( Client_Type( c ) == CLIENT_SERVER )
 159                 {
 160                         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;
 161                 }
 162                 c = Client_Next( c );
 163         }
 164
 165         return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
 166 } /* IRC_LINKS */
 167
 168
 169 GLOBAL BOOLEAN
 170 IRC_LUSERS( CLIENT *Client, REQUEST *Req )
 171 {
 172         CLIENT *target, *from;
 173
 174         assert( Client != NULL );
 175         assert( Req != NULL );
 176
 177         /* Falsche Anzahl Parameter? */
 178         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 179
 180         /* Absender ermitteln */
 181         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 182         else from = Client;
 183         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 184
 185         /* An anderen Server forwarden? */
 186         if( Req->argc == 2 )
 187         {
 188                 target = Client_Search( Req->argv[1] );
 189                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 190                 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
 191         }
 192
 193         /* Wer ist der Absender? */
 194         if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
 195         else target = Client;
 196         if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 197
 198         IRC_Send_LUSERS( target );
 199
 200         return CONNECTED;
 201 } /* IRC_LUSERS */
 202
 203
 204 GLOBAL BOOLEAN
 205 IRC_MOTD( CLIENT *Client, REQUEST *Req )
 206 {
 207         CLIENT *from, *target;
 208
 209         assert( Client != NULL );
 210         assert( Req != NULL );
 211
 212         /* Falsche Anzahl Parameter? */
 213         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 214
 215         /* From aus Prefix ermitteln */
 216         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 217         else from = Client;
 218         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 219
 220         if( Req->argc == 1 )
 221         {
 222                 /* an anderen Server forwarden */
 223                 target = Client_Search( Req->argv[0] );
 224                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 225
 226                 if( target != Client_ThisServer( ))
 227                 {
 228                         /* Ok, anderer Server ist das Ziel: forwarden */
 229                         return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
 230                 }
 231         }
 232
 233         return IRC_Show_MOTD( from );
 234 } /* IRC_MOTD */
 235
 236
 237 GLOBAL BOOLEAN
 238 IRC_NAMES( CLIENT *Client, REQUEST *Req )
 239 {
 240         CHAR rpl[COMMAND_LEN], *ptr;
 241         CLIENT *target, *from, *c;
 242         CHANNEL *chan;
 243
 244         assert( Client != NULL );
 245         assert( Req != NULL );
 246
 247         /* Falsche Anzahl Parameter? */
 248         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 249
 250         /* From aus Prefix ermitteln */
 251         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 252         else from = Client;
 253         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 254
 255         if( Req->argc == 2 )
 256         {
 257                 /* an anderen Server forwarden */
 258                 target = Client_Search( Req->argv[1] );
 259                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 260
 261                 if( target != Client_ThisServer( ))
 262                 {
 263                         /* Ok, anderer Server ist das Ziel: forwarden */
 264                         return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
 265                 }
 266         }
 267
 268         if( Req->argc > 0 )
 269         {
 270                 /* bestimmte Channels durchgehen */
 271                 ptr = strtok( Req->argv[0], "," );
 272                 while( ptr )
 273                 {
 274                         chan = Channel_Search( ptr );
 275                         if( chan )
 276                         {
 277                                 /* Namen ausgeben */
 278                                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 279                         }
 280                         if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
 281
 282                         /* naechsten Namen ermitteln */
 283                         ptr = strtok( NULL, "," );
 284                 }
 285                 return CONNECTED;
 286         }
 287
 288         /* alle Channels durchgehen */
 289         chan = Channel_First( );
 290         while( chan )
 291         {
 292                 /* Namen ausgeben */
 293                 if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
 294
 295                 /* naechster Channel */
 296                 chan = Channel_Next( chan );
 297         }
 298
 299         /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
 300         c = Client_First( );
 301         snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 302         while( c )
 303         {
 304                 if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
 305                 {
 306                         /* Okay, das ist ein User: anhaengen */
 307                         if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
 308                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 309
 310                         if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 311                         {
 312                                 /* Zeile wird zu lang: senden! */
 313                                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 314                                 snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
 315                         }
 316                 }
 317
 318                 /* naechster Client */
 319                 c = Client_Next( c );
 320         }
 321         if( rpl[strlen( rpl ) - 1] != ':')
 322         {
 323                 /* es wurden User gefunden */
 324                 if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
 325         }
 326
 327         return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
 328 } /* IRC_NAMES */
 329
 330
 331 GLOBAL BOOLEAN
 332 IRC_STATS( CLIENT *Client, REQUEST *Req )
 333 {
 334         CLIENT *from, *target, *cl;
 335         CONN_ID con;
 336         CHAR query;
 337         COMMAND *cmd;
 338
 339         assert( Client != NULL );
 340         assert( Req != NULL );
 341
 342         /* Falsche Anzahl Parameter? */
 343         if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 344
 345         /* From aus Prefix ermitteln */
 346         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 347         else from = Client;
 348         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 349
 350         if( Req->argc == 2 )
 351         {
 352                 /* an anderen Server forwarden */
 353                 target = Client_Search( Req->argv[1] );
 354                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
 355
 356                 if( target != Client_ThisServer( ))
 357                 {
 358                         /* Ok, anderer Server ist das Ziel: forwarden */
 359                         return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
 360                 }
 361         }
 362
 363         if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
 364         else query = '*';
 365
 366         switch ( query )
 367         {
 368                 case 'l':       /* Links */
 369                 case 'L':
 370                         con = Conn_First( );
 371                         while( con != NONE )
 372                         {
 373                                 cl = Client_GetFromConn( con );
 374                                 if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
 375                                 {
 376                                         /* Server link or our own connection */
 377 #ifdef USE_ZLIB
 378                                         if( Conn_Options( con ) & CONN_ZIP )
 379                                         {
 380                                                 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;
 381                                         }
 382                                         else
 383 #endif
 384                                         {
 385                                                 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;
 386                                         }
 387                                 }
 388                                 con = Conn_Next( con );
 389                         }
 390                         break;
 391                 case 'm':       /* IRC-Befehle */
 392                 case 'M':
 393                         cmd = Parse_GetCommandStruct( );
 394                         while( cmd->name )
 395                         {
 396                                 if( cmd->lcount > 0 || cmd->rcount > 0 )
 397                                 {
 398                                         if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
 399                                 }
 400                                 cmd++;
 401                         }
 402                         break;
 403         }
 404
 405         return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
 406 } /* IRC_STATS */
 407
 408
 409 GLOBAL BOOLEAN
 410 IRC_TIME( CLIENT *Client, REQUEST *Req )
 411 {
 412         CLIENT *from, *target;
 413         CHAR t_str[64];
 414         time_t t;
 415
 416         assert( Client != NULL );
 417         assert( Req != NULL );
 418
 419         /* Falsche Anzahl Parameter? */
 420         if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 421
 422         /* From aus Prefix ermitteln */
 423         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 424         else from = Client;
 425         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 426
 427         if( Req->argc == 1 )
 428         {
 429                 /* an anderen Server forwarden */
 430                 target = Client_Search( Req->argv[0] );
 431                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 432
 433                 if( target != Client_ThisServer( ))
 434                 {
 435                         /* Ok, anderer Server ist das Ziel: forwarden */
 436                         return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
 437                 }
 438         }
 439
 440         t = time( NULL );
 441         (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
 442         return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
 443 } /* IRC_TIME */
 444
 445
 446 GLOBAL BOOLEAN
 447 IRC_USERHOST( CLIENT *Client, REQUEST *Req )
 448 {
 449         CHAR rpl[COMMAND_LEN];
 450         CLIENT *c;
 451         INT max, i;
 452
 453         assert( Client != NULL );
 454         assert( Req != NULL );
 455
 456         /* Falsche Anzahl Parameter? */
 457         if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 458
 459         if( Req->argc > 5 ) max = 5;
 460         else max = Req->argc;
 461
 462         strcpy( rpl, RPL_USERHOST_MSG );
 463         for( i = 0; i < max; i++ )
 464         {
 465                 c = Client_Search( Req->argv[i] );
 466                 if( c && ( Client_Type( c ) == CLIENT_USER ))
 467                 {
 468                         /* Dieser Nick ist "online" */
 469                         strlcat( rpl, Client_ID( c ), sizeof( rpl ));
 470                         if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
 471                         strlcat( rpl, "=", sizeof( rpl ));
 472                         if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
 473                         else strlcat( rpl, "+", sizeof( rpl ));
 474                         strlcat( rpl, Client_User( c ), sizeof( rpl ));
 475                         strlcat( rpl, "@", sizeof( rpl ));
 476                         strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
 477                         strlcat( rpl, " ", sizeof( rpl ));
 478                 }
 479         }
 480         if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
 481
 482         return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
 483 } /* IRC_USERHOST */
 484
 485
 486 GLOBAL BOOLEAN
 487 IRC_VERSION( CLIENT *Client, REQUEST *Req )
 488 {
 489         CLIENT *target, *prefix;
 490 #ifdef CVSDATE
 491         CHAR ver[12];
 492 #endif
 493
 494         assert( Client != NULL );
 495         assert( Req != NULL );
 496
 497         /* Falsche Anzahl Parameter? */
 498         if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 499
 500         /* Ziel suchen */
 501         if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
 502         else target = Client_ThisServer( );
 503
 504         /* Prefix ermitteln */
 505         if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
 506         else prefix = Client;
 507         if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 508
 509         /* An anderen Server weiterleiten? */
 510         if( target != Client_ThisServer( ))
 511         {
 512                 if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 513
 514                 /* forwarden */
 515                 IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
 516                 return CONNECTED;
 517         }
 518
 519         /* mit Versionsinfo antworten */
 520 #ifdef CVSDATE
 521         strlcpy( ver, CVSDATE, sizeof( ver ));
 522         strncpy( ver + 4, ver + 5, 2 );
 523         strncpy( ver + 6, ver + 8, 3 );
 524         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, ver, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 525 #else
 526         return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
 527 #endif
 528 } /* IRC_VERSION */
 529
 530
 531 GLOBAL BOOLEAN
 532 IRC_WHO( CLIENT *Client, REQUEST *Req )
 533 {
 534         BOOLEAN ok, only_ops;
 535         CHAR flags[8], *ptr;
 536         CL2CHAN *cl2chan;
 537         CHANNEL *chan;
 538         CLIENT *c;
 539
 540         assert( Client != NULL );
 541         assert( Req != NULL );
 542
 543         /* Falsche Anzahl Parameter? */
 544         if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 545
 546         only_ops = FALSE;
 547         chan = NULL;
 548
 549         if( Req->argc == 2 )
 550         {
 551                 /* Nur OPs anzeigen? */
 552                 if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
 553 #ifdef STRICT_RFC
 554                 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 555 #endif
 556         }
 557
 558         if( Req->argc >= 1 )
 559         {
 560                 /* wurde ein Channel oder Nick-Mask angegeben? */
 561                 chan = Channel_Search( Req->argv[0] );
 562         }
 563
 564         if( chan )
 565         {
 566                 /* User eines Channels ausgeben */
 567                 if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
 568         }
 569
 570         c = Client_First( );
 571         while( c )
 572         {
 573                 if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
 574                 {
 575                         ok = FALSE;
 576                         if( Req->argc == 0 ) ok = TRUE;
 577                         else
 578                         {
 579                                 if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
 580                                 else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
 581                         }
 582
 583                         if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
 584                         {
 585                                 /* Flags zusammenbasteln */
 586                                 strcpy( flags, "H" );
 587                                 if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 588
 589                                 /* ausgeben */
 590                                 cl2chan = Channel_FirstChannelOf( c );
 591                                 if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
 592                                 else ptr = "*";
 593                                 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;
 594                         }
 595                 }
 596
 597                 /* naechster Client */
 598                 c = Client_Next( c );
 599         }
 600
 601         if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
 602         else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
 603         else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
 604 } /* IRC_WHO */
 605
 606
 607 GLOBAL BOOLEAN
 608 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 609 {
 610         CLIENT *from, *target, *c;
 611         CHAR str[LINE_LEN + 1];
 612         CL2CHAN *cl2chan;
 613         CHANNEL *chan;
 614
 615         assert( Client != NULL );
 616         assert( Req != NULL );
 617
 618         /* Bad number of parameters? */
 619         if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 620
 621         /* Search client */
 622         c = Client_Search( Req->argv[Req->argc - 1] );
 623         if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
 624
 625         /* Search sender of the WHOIS */
 626         if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
 627         else from = Client;
 628         if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
 629
 630         /* Forward to other server? */
 631         if( Req->argc > 1 )
 632         {
 633                 /* Search target server (can be specified as nick of that server!) */
 634                 target = Client_Search( Req->argv[0] );
 635                 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
 636         }
 637         else target = Client_ThisServer( );
 638
 639         assert( target != NULL );
 640
 641         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] );
 642
 643         /* Nick, user and name */
 644         if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
 645
 646         /* Server */
 647         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;
 648
 649         /* Channels */
 650         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 651         cl2chan = Channel_FirstChannelOf( c );
 652         while( cl2chan )
 653         {
 654                 chan = Channel_GetChannel( cl2chan );
 655                 assert( chan != NULL );
 656
 657                 /* Concatenate channel names */
 658                 if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 659                 if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
 660                 else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
 661                 strlcat( str, Channel_Name( chan ), sizeof( str ));
 662
 663                 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
 664                 {
 665                         /* Line becomes too long: send it! */
 666                         if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 667                         snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
 668                 }
 669
 670                 /* next */
 671                 cl2chan = Channel_NextChannelOf( c, cl2chan );
 672         }
 673         if( str[strlen( str ) - 1] != ':')
 674         {
 675                 /* There is data left to send: */
 676                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 677         }
 678
 679         /* IRC-Operator? */
 680         if( Client_HasMode( c, 'o' ))
 681         {
 682                 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
 683         }
 684
 685         /* Idle (only local clients) */
 686         if( Client_Conn( c ) > NONE )
 687         {
 688                 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
 689         }
 690
 691         /* Away? */
 692         if( Client_HasMode( c, 'a' ))
 693         {
 694                 if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
 695         }
 696
 697         /* End of Whois */
 698         return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
 699 } /* IRC_WHOIS */
 700
 701
 702 GLOBAL BOOLEAN
 703 IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
 704 {
 705         assert( Client != NULL );
 706         assert( Req != NULL );
 707
 708         /* Falsche Anzahl Parameter? */
 709         if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 710
 711         /* ... */
 712
 713         return CONNECTED;
 714 } /* IRC_WHOWAS */
 715
 716
 717 GLOBAL BOOLEAN
 718 IRC_Send_LUSERS( CLIENT *Client )
 719 {
 720         LONG cnt;
 721
 722         assert( Client != NULL );
 723
 724         /* Users, services and serevers in the network */
 725         if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
 726
 727         /* Number of IRC operators */
 728         cnt = Client_OperCount( );
 729         if( cnt > 0 )
 730         {
 731                 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 732         }
 733
 734         /* Unknown connections */
 735         cnt = Client_UnknownCount( );
 736         if( cnt > 0 )
 737         {
 738                 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
 739         }
 740
 741         /* Number of created channels */
 742         if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
 743
 744         /* Number of local users, services and servers */
 745         if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
 746
 747 #ifndef STRICT_RFC
 748         /* Maximum number of local users */
 749         if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
 750         /* Maximum number of users in the network */
 751         if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
 752 #endif
 753
 754         return CONNECTED;
 755 } /* IRC_Send_LUSERS */
 756
 757
 758 GLOBAL BOOLEAN
 759 IRC_Show_MOTD( CLIENT *Client )
 760 {
 761         BOOLEAN ok;
 762         CHAR line[127];
 763         FILE *fd;
 764
 765         assert( Client != NULL );
 766
 767         fd = fopen( Conf_MotdFile, "r" );
 768         if( ! fd )
 769         {
 770                 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
 771                 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
 772         }
 773
 774         IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
 775         while( TRUE )
 776         {
 777                 if( ! fgets( line, 126, fd )) break;
 778                 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
 779                 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
 780                 {
 781                         fclose( fd );
 782                         return FALSE;
 783                 }
 784         }
 785         ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
 786
 787         fclose( fd );
 788
 789         return ok;
 790 } /* IRC_Show_MOTD */
 791
 792
 793 GLOBAL BOOLEAN
 794 IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 795 {
 796         BOOLEAN is_visible, is_member;
 797         CHAR str[LINE_LEN + 1];
 798         CL2CHAN *cl2chan;
 799         CLIENT *cl;
 800
 801         assert( Client != NULL );
 802         assert( Chan != NULL );
 803
 804         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 805         else is_member = FALSE;
 806
 807         /* Alle Mitglieder suchen */
 808         snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 809         cl2chan = Channel_FirstMember( Chan );
 810         while( cl2chan )
 811         {
 812                 cl = Channel_GetClient( cl2chan );
 813
 814                 if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
 815                 else is_visible = TRUE;
 816
 817                 if( is_member || is_visible )
 818                 {
 819                         /* Nick anhaengen */
 820                         if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
 821                         if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
 822                         else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
 823                         strlcat( str, Client_ID( cl ), sizeof( str ));
 824
 825                         if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
 826                         {
 827                                 /* Zeile wird zu lang: senden! */
 828                                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 829                                 snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
 830                         }
 831                 }
 832
 833                 /* naechstes Mitglied suchen */
 834                 cl2chan = Channel_NextMember( Chan, cl2chan );
 835         }
 836         if( str[strlen( str ) - 1] != ':')
 837         {
 838                 /* Es sind noch Daten da, die gesendet werden muessen */
 839                 if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
 840         }
 841
 842         return CONNECTED;
 843 } /* IRC_Send_NAMES */
 844
 845
 846 GLOBAL BOOLEAN
 847 IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
 848 {
 849         BOOLEAN is_visible, is_member;
 850         CL2CHAN *cl2chan;
 851         CHAR flags[8];
 852         CLIENT *c;
 853
 854         assert( Client != NULL );
 855         assert( Chan != NULL );
 856
 857         if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
 858         else is_member = FALSE;
 859
 860         /* Alle Mitglieder suchen */
 861         cl2chan = Channel_FirstMember( Chan );
 862         while( cl2chan )
 863         {
 864                 c = Channel_GetClient( cl2chan );
 865
 866                 if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
 867                 else is_visible = TRUE;
 868
 869                 if( is_member || is_visible )
 870                 {
 871                         /* Flags zusammenbasteln */
 872                         strcpy( flags, "H" );
 873                         if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
 874                         if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
 875                         else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
 876
 877                         /* ausgeben */
 878                         if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
 879                         {
 880                                 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;
 881                         }
 882                 }
 883
 884                 /* naechstes Mitglied suchen */
 885                 cl2chan = Channel_NextMember( Chan, cl2chan );
 886         }
 887         return CONNECTED;
 888 } /* IRC_Send_WHO */
 889
 890
 891 /* -eof- */