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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2005 Alexander Barton (alex@barton.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- *
- * IRC info commands
- */
- #include "portab.h"
- static char UNUSED id[] = "$Id: irc-info.c,v 1.30 2005/06/17 19:15:43 fw Exp $";
- #include "imp.h"
- #include <assert.h>
- #include <errno.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <strings.h>
- #include "ngircd.h"
- #include "cvs-version.h"
- #include "conn-func.h"
- #include "conn-zip.h"
- #include "client.h"
- #include "channel.h"
- #include "resolve.h"
- #include "conf.h"
- #include "defines.h"
- #include "log.h"
- #include "messages.h"
- #include "tool.h"
- #include "parse.h"
- #include "irc-write.h"
- #include "exp.h"
- #include "irc-info.h"
- GLOBAL bool
- IRC_ADMIN(CLIENT *Client, REQUEST *Req )
- {
- CLIENT *target, *prefix;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Ziel suchen */
- if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
- else target = Client_ThisServer( );
- /* Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
- else prefix = Client;
- if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* An anderen Server weiterleiten? */
- if( target != Client_ThisServer( ))
- {
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
- /* forwarden */
- IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
- return CONNECTED;
- }
- /* mit Versionsinfo antworten */
- if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED;
- IRC_SetPenalty( Client, 1 );
- return CONNECTED;
- } /* IRC_ADMIN */
- GLOBAL bool
- IRC_ISON( CLIENT *Client, REQUEST *Req )
- {
- char rpl[COMMAND_LEN];
- CLIENT *c;
- char *ptr;
- int i;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
- for( i = 0; i < Req->argc; i++ )
- {
- ptr = strtok( Req->argv[i], " " );
- while( ptr )
- {
- ngt_TrimStr( ptr );
- c = Client_Search( ptr );
- if( c && ( Client_Type( c ) == CLIENT_USER ))
- {
- /* Dieser Nick ist "online" */
- strlcat( rpl, ptr, sizeof( rpl ));
- strlcat( rpl, " ", sizeof( rpl ));
- }
- ptr = strtok( NULL, " " );
- }
- }
- ngt_TrimLastChr(rpl, ' ');
- return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
- } /* IRC_ISON */
- GLOBAL bool
- IRC_LINKS( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *target, *from, *c;
- char *mask;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Server-Mask ermitteln */
- if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
- else mask = "*";
- /* Absender ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* An anderen Server forwarden? */
- if( Req->argc == 2 )
- {
- target = Client_Search( Req->argv[0] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
- }
- /* Wer ist der Absender? */
- if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
- else target = Client;
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- c = Client_First( );
- while( c )
- {
- if( Client_Type( c ) == CLIENT_SERVER )
- {
- 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;
- }
- c = Client_Next( c );
- }
-
- IRC_SetPenalty( target, 1 );
- return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
- } /* IRC_LINKS */
- GLOBAL bool
- IRC_LUSERS( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *target, *from;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Absender ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* An anderen Server forwarden? */
- if( Req->argc == 2 )
- {
- target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
- }
- /* Wer ist der Absender? */
- if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
- else target = Client;
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- IRC_Send_LUSERS( target );
- IRC_SetPenalty( target, 1 );
- return CONNECTED;
- } /* IRC_LUSERS */
- GLOBAL bool
- IRC_MOTD( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *from, *target;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- if( Req->argc == 1 )
- {
- /* an anderen Server forwarden */
- target = Client_Search( Req->argv[0] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- if( target != Client_ThisServer( ))
- {
- /* Ok, anderer Server ist das Ziel: forwarden */
- return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
- }
- }
- IRC_SetPenalty( from, 3 );
- return IRC_Show_MOTD( from );
- } /* IRC_MOTD */
- GLOBAL bool
- IRC_NAMES( CLIENT *Client, REQUEST *Req )
- {
- char rpl[COMMAND_LEN], *ptr;
- CLIENT *target, *from, *c;
- CHANNEL *chan;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- if( Req->argc == 2 )
- {
- /* an anderen Server forwarden */
- target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- if( target != Client_ThisServer( ))
- {
- /* Ok, anderer Server ist das Ziel: forwarden */
- return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
- }
- }
- if( Req->argc > 0 )
- {
- /* bestimmte Channels durchgehen */
- ptr = strtok( Req->argv[0], "," );
- while( ptr )
- {
- chan = Channel_Search( ptr );
- if( chan )
- {
- /* Namen ausgeben */
- if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
- }
- if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
- /* naechsten Namen ermitteln */
- ptr = strtok( NULL, "," );
- }
- return CONNECTED;
- }
- /* alle Channels durchgehen */
- chan = Channel_First( );
- while( chan )
- {
- /* Namen ausgeben */
- if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
- /* naechster Channel */
- chan = Channel_Next( chan );
- }
- /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
- c = Client_First( );
- snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
- {
- /* Okay, das ist ein User: anhaengen */
- if( rpl[strlen( rpl ) - 1] != ':' ) strlcat( rpl, " ", sizeof( rpl ));
- strlcat( rpl, Client_ID( c ), sizeof( rpl ));
- if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
- {
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
- snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
- }
- }
- /* naechster Client */
- c = Client_Next( c );
- }
- if( rpl[strlen( rpl ) - 1] != ':')
- {
- /* es wurden User gefunden */
- if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
- }
- IRC_SetPenalty( from, 1 );
- return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
- } /* IRC_NAMES */
- GLOBAL bool
- IRC_STATS( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *from, *target, *cl;
- CONN_ID con;
- char query;
- COMMAND *cmd;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- if( Req->argc == 2 )
- {
- /* an anderen Server forwarden */
- target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- if( target != Client_ThisServer( ))
- {
- /* Ok, anderer Server ist das Ziel: forwarden */
- return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
- }
- }
- if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
- else query = '*';
- switch ( query )
- {
- case 'l': /* Links */
- case 'L':
- con = Conn_First( );
- while( con != NONE )
- {
- cl = Client_GetFromConn( con );
- if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
- {
- /* Server link or our own connection */
- #ifdef ZLIB
- if( Conn_Options( con ) & CONN_ZIP )
- {
- 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;
- }
- else
- #endif
- {
- 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;
- }
- }
- con = Conn_Next( con );
- }
- break;
- case 'm': /* IRC-Befehle */
- case 'M':
- cmd = Parse_GetCommandStruct( );
- while( cmd->name )
- {
- if( cmd->lcount > 0 || cmd->rcount > 0 )
- {
- if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
- }
- cmd++;
- }
- break;
- }
- IRC_SetPenalty( from, 2 );
- return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
- } /* IRC_STATS */
- GLOBAL bool
- IRC_TIME( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *from, *target;
- char t_str[64];
- time_t t;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- if( Req->argc == 1 )
- {
- /* an anderen Server forwarden */
- target = Client_Search( Req->argv[0] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
- if( target != Client_ThisServer( ))
- {
- /* Ok, anderer Server ist das Ziel: forwarden */
- return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
- }
- }
- t = time( NULL );
- (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
- return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
- } /* IRC_TIME */
- GLOBAL bool
- IRC_USERHOST( CLIENT *Client, REQUEST *Req )
- {
- char rpl[COMMAND_LEN];
- CLIENT *c;
- int max, i;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- if( Req->argc > 5 ) max = 5;
- else max = Req->argc;
- strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
- for( i = 0; i < max; i++ )
- {
- c = Client_Search( Req->argv[i] );
- if( c && ( Client_Type( c ) == CLIENT_USER ))
- {
- /* Dieser Nick ist "online" */
- strlcat( rpl, Client_ID( c ), sizeof( rpl ));
- if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
- strlcat( rpl, "=", sizeof( rpl ));
- if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
- else strlcat( rpl, "+", sizeof( rpl ));
- strlcat( rpl, Client_User( c ), sizeof( rpl ));
- strlcat( rpl, "@", sizeof( rpl ));
- strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
- strlcat( rpl, " ", sizeof( rpl ));
- }
- }
- ngt_TrimLastChr( rpl, ' ');
- return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
- } /* IRC_USERHOST */
- GLOBAL bool
- IRC_VERSION( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *target, *prefix;
- #ifdef CVSDATE
- char ver[12], vertxt[30];
- #endif
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Ziel suchen */
- if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
- else target = Client_ThisServer( );
- /* Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
- else prefix = Client;
- if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* An anderen Server weiterleiten? */
- if( target != Client_ThisServer( ))
- {
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
- /* forwarden */
- IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
- return CONNECTED;
- }
- /* mit Versionsinfo antworten */
- IRC_SetPenalty( Client, 1 );
- #ifdef CVSDATE
- strlcpy( ver, CVSDATE, sizeof( ver ));
- strncpy( ver + 4, ver + 5, 2 );
- strncpy( ver + 6, ver + 8, 3 );
- snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
- return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
- #else
- return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition );
- #endif
- } /* IRC_VERSION */
- GLOBAL bool
- IRC_WHO( CLIENT *Client, REQUEST *Req )
- {
- bool ok, only_ops;
- char flags[8], *ptr;
- CL2CHAN *cl2chan;
- CHANNEL *chan, *cn;
- CLIENT *c;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- only_ops = false;
- chan = NULL;
- if( Req->argc == 2 )
- {
- /* Nur OPs anzeigen? */
- if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = true;
- #ifdef STRICT_RFC
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- #endif
- }
- if( Req->argc >= 1 )
- {
- /* wurde ein Channel oder Nick-Mask angegeben? */
- chan = Channel_Search( Req->argv[0] );
- }
- if( chan )
- {
- /* User eines Channels ausgeben */
- if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
- }
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
- {
- ok = false;
- if( Req->argc == 0 ) ok = true;
- else
- {
- if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = true;
- else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = true;
- }
- if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
- {
- /* Get flags */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
- /* Search suitable channel */
- cl2chan = Channel_FirstChannelOf( c );
- while( cl2chan )
- {
- cn = Channel_GetChannel( cl2chan );
- if( Channel_IsMemberOf( cn, Client ) ||
- ! strchr( Channel_Modes( cn ), 's' ))
- {
- ptr = Channel_Name( cn );
- break;
- }
- cl2chan = Channel_NextChannelOf( c, cl2chan );
- }
- if( ! cl2chan ) ptr = "*";
- 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;
- }
- }
- /* naechster Client */
- c = Client_Next( c );
- }
- if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
- else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
- else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
- } /* IRC_WHO */
- GLOBAL bool
- IRC_WHOIS( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *from, *target, *c;
- char str[LINE_LEN + 1];
- CL2CHAN *cl2chan;
- CHANNEL *chan;
- assert( Client != NULL );
- assert( Req != NULL );
- /* Bad number of parameters? */
- if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Search client */
- c = Client_Search( Req->argv[Req->argc - 1] );
- if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
- /* Search sender of the WHOIS */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- /* Forward to other server? */
- if( Req->argc > 1 )
- {
- /* Search target server (can be specified as nick of that server!) */
- target = Client_Search( Req->argv[0] );
- if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- }
- else target = Client_ThisServer( );
- assert( target != NULL );
- 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] );
- /* Nick, user and name */
- if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
- /* Server */
- 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;
- /* Channels */
- snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- cl2chan = Channel_FirstChannelOf( c );
- while( cl2chan )
- {
- chan = Channel_GetChannel( cl2chan );
- assert( chan != NULL );
- /* next */
- cl2chan = Channel_NextChannelOf( c, cl2chan );
- /* Secret channel? */
- if( strchr( Channel_Modes( chan ), 's' ) && ! Channel_IsMemberOf( chan, Client )) continue;
- /* Concatenate channel names */
- if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
- if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
- else if( strchr( Channel_UserModes( chan, c ), 'v' )) strlcat( str, "+", sizeof( str ));
- strlcat( str, Channel_Name( chan ), sizeof( str ));
- if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
- {
- /* Line becomes too long: send it! */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- }
- }
- if( str[strlen( str ) - 1] != ':')
- {
- /* There is data left to send: */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- }
- /* IRC-Operator? */
- if( Client_HasMode( c, 'o' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
- }
- /* Idle (only local clients) */
- if( Client_Conn( c ) > NONE )
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
- }
- /* Away? */
- if( Client_HasMode( c, 'a' ))
- {
- if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED;
- }
- /* End of Whois */
- return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
- } /* IRC_WHOIS */
- /**
- * IRC "WHOWAS" function.
- * This function implements the IRC command "WHOWHAS". It handles local
- * requests and request that should be forwarded to other servers.
- */
- GLOBAL bool
- IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *target, *prefix;
- WHOWAS *whowas;
- int max, last, count, i;
- char t_str[60];
-
- assert( Client != NULL );
- assert( Req != NULL );
- /* Wrong number of parameters? */
- if(( Req->argc < 1 ) || ( Req->argc > 3 ))
- return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID( Client ), Req->command );
- /* Search taget */
- if( Req->argc == 3 )
- target = Client_Search( Req->argv[2] );
- else
- target = Client_ThisServer( );
- /* Get prefix */
- if( Client_Type( Client ) == CLIENT_SERVER )
- prefix = Client_Search( Req->prefix );
- else
- prefix = Client;
- if( ! prefix )
- return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG,
- Client_ID( Client ), Req->prefix );
- /* Forward to other server? */
- if( target != Client_ThisServer( ))
- {
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
- return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG,
- Client_ID( prefix ),
- Req->argv[2] );
- /* Forward */
- IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
- Req->argv[0], Req->argv[1],
- Req->argv[2] );
- return CONNECTED;
- }
-
- whowas = Client_GetWhowas( );
- last = Client_GetLastWhowasIndex( );
- if( last < 0 ) last = 0;
-
- if( Req->argc > 1 )
- {
- max = atoi( Req->argv[1] );
- if( max < 1 ) max = MAX_WHOWAS;
- }
- else
- max = DEFAULT_WHOWAS;
-
- i = last;
- count = 0;
- do
- {
- /* Used entry? */
- if( whowas[i].time > 0 &&
- strcasecmp( Req->argv[0], whowas[i].id ) == 0 )
- {
- (void)strftime( t_str, sizeof(t_str),
- "%a %b %d %H:%M:%S %Y",
- localtime( &whowas[i].time ));
-
- if( ! IRC_WriteStrClient( prefix, RPL_WHOWASUSER_MSG,
- Client_ID( prefix ),
- whowas[i].id,
- whowas[i].user,
- whowas[i].host,
- whowas[i].info ))
- return DISCONNECTED;
-
- if( ! IRC_WriteStrClient( prefix, RPL_WHOISSERVER_MSG,
- Client_ID( prefix ),
- whowas[i].id,
- whowas[i].server, t_str ))
- return DISCONNECTED;
-
- count++;
- if( count >= max ) break;
- }
-
- /* previos entry */
- i--;
- /* "underflow", wrap around */
- if( i < 0 ) i = MAX_WHOWAS - 1;
- } while( i != last );
-
- return IRC_WriteStrClient( prefix, RPL_ENDOFWHOWAS_MSG,
- Client_ID( prefix ), Req->argv[0] );
- } /* IRC_WHOWAS */
- GLOBAL bool
- IRC_Send_LUSERS( CLIENT *Client )
- {
- long cnt;
- assert( Client != NULL );
- /* Users, services and serevers in the network */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
- /* Number of IRC operators */
- cnt = Client_OperCount( );
- if( cnt > 0 )
- {
- if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
- }
- /* Unknown connections */
- cnt = Client_UnknownCount( );
- if( cnt > 0 )
- {
- if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
- }
- /* Number of created channels */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
- /* Number of local users, services and servers */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
- #ifndef STRICT_RFC
- /* Maximum number of local users */
- if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
- /* Maximum number of users in the network */
- if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
- #endif
-
- return CONNECTED;
- } /* IRC_Send_LUSERS */
- GLOBAL bool
- IRC_Show_MOTD( CLIENT *Client )
- {
- bool ok;
- char line[127];
- FILE *fd;
- assert( Client != NULL );
- if( Conf_MotdPhrase[0] )
- {
- if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), Conf_MotdPhrase )) return DISCONNECTED;
- return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
- }
- fd = fopen( Conf_MotdFile, "r" );
- if( ! fd )
- {
- Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
- return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
- }
- if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
- while( true )
- {
- if( ! fgets( line, sizeof( line ), fd )) break;
- ngt_TrimLastChr( line, '\n');
- if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
- {
- fclose( fd );
- return false;
- }
- }
- ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
- fclose( fd );
- return ok;
- } /* IRC_Show_MOTD */
- GLOBAL bool
- IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
- {
- bool is_visible, is_member;
- char str[LINE_LEN + 1];
- CL2CHAN *cl2chan;
- CLIENT *cl;
- assert( Client != NULL );
- assert( Chan != NULL );
- if( Channel_IsMemberOf( Chan, Client )) is_member = true;
- else is_member = false;
- /* Secret channel? */
- if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
- /* Alle Mitglieder suchen */
- snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- cl = Channel_GetClient( cl2chan );
- if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
- else is_visible = true;
- if( is_member || is_visible )
- {
- /* Nick anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
- if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strlcat( str, "@", sizeof( str ));
- else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strlcat( str, "+", sizeof( str ));
- strlcat( str, Client_ID( cl ), sizeof( str ));
- if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
- {
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
- }
- }
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextMember( Chan, cl2chan );
- }
- if( str[strlen( str ) - 1] != ':')
- {
- /* Es sind noch Daten da, die gesendet werden muessen */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- }
- return CONNECTED;
- } /* IRC_Send_NAMES */
- GLOBAL bool
- IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, bool OnlyOps )
- {
- bool is_visible, is_member;
- CL2CHAN *cl2chan;
- char flags[8];
- CLIENT *c;
- assert( Client != NULL );
- assert( Chan != NULL );
- if( Channel_IsMemberOf( Chan, Client )) is_member = true;
- else is_member = false;
- /* Secret channel? */
- if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
- /* Alle Mitglieder suchen */
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- c = Channel_GetClient( cl2chan );
- if( strchr( Client_Modes( c ), 'i' )) is_visible = false;
- else is_visible = true;
- if( is_member || is_visible )
- {
- /* Flags zusammenbasteln */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
- if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
- else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
- /* ausgeben */
- if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
- {
- 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;
- }
- }
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextMember( Chan, cl2chan );
- }
- return CONNECTED;
- } /* IRC_Send_WHO */
- /* -eof- */
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