/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
- *
- * $Id: irc.c,v 1.84 2002/03/03 17:15:11 alex Exp $
- *
- * irc.c: IRC-Befehle
- *
- * $Log: irc.c,v $
- * Revision 1.84 2002/03/03 17:15:11 alex
- * - Source in weitere Module fuer IRC-Befehle aufgesplitted.
- *
- * Revision 1.83 2002/02/28 00:48:26 alex
- * - Forwarding von TOPIC an andere Server gefixed. Hoffentlich ;-)
- *
- * Revision 1.82 2002/02/27 23:26:36 alex
- * - einige Funktionen in irc-xxx-Module ausgegliedert.
- *
- * Revision 1.81 2002/02/27 20:55:44 alex
- * - Channel-Topics werden nun auch korrekt von anderen Server angenommen.
- *
- * Revision 1.80 2002/02/27 20:33:13 alex
- * - Channel-Topics implementiert.
- *
- * Revision 1.79 2002/02/27 18:57:21 alex
- * - PRIVMSG zeugt nun bei Texten an User an, wenn diese "away" sind.
- *
- * Revision 1.78 2002/02/27 18:23:45 alex
- * - IRC-Befehl "AWAY" implementert.
- *
- * Revision 1.77 2002/02/27 17:05:41 alex
- * - PRIVMSG beachtet nun die Channel-Modes "n" und "m".
- *
- * Revision 1.76 2002/02/27 16:04:14 alex
- * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben.
- *
- * Revision 1.75 2002/02/27 15:23:27 alex
- * - NAMES beachtet nun das "invisible" Flag ("i") von Usern.
- *
- * Revision 1.74 2002/02/27 03:44:53 alex
- * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun
- * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen.
- *
- * Revision 1.73 2002/02/27 03:08:05 alex
- * - Log-Meldungen bei SQUIT erneut ueberarbeitet ...
- *
- * Revision 1.72 2002/02/27 02:26:58 alex
- * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging.
- *
- * Revision 1.71 2002/02/27 00:50:05 alex
- * - einige unnoetige Client_NextHop()-Aufrufe entfernt.
- * - NAMES korrigiert und komplett implementiert.
- *
- * Revision 1.70 2002/02/26 22:06:40 alex
- * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben.
+ * 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.
*/
+#include "portab.h"
-#include <portab.h>
-#include "global.h"
+/**
+ * @file
+ * IRC commands
+ */
-#include <imp.h>
+#include "imp.h"
#include <assert.h>
-#include <errno.h>
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
#include "ngircd.h"
-#include "channel.h"
-#include "client.h"
+#include "conn-func.h"
#include "conf.h"
-#include "conn.h"
+#include "channel.h"
+#include "defines.h"
#include "irc-write.h"
#include "log.h"
+#include "match.h"
#include "messages.h"
+#include "parse.h"
#include "tool.h"
-#include <exp.h>
+#include "exp.h"
#include "irc.h"
-GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
+static char *Option_String PARAMS((CONN_ID Idx));
+static bool Send_Message PARAMS((CLIENT *Client, REQUEST *Req, int ForceType,
+ bool SendErrors));
+static bool Send_Message_Mask PARAMS((CLIENT *from, char *command,
+ char *targetMask, char *message,
+ bool SendErrors));
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- return IRC_Show_MOTD( Client );
-} /* IRC_MOTD */
-
-
-GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
+/**
+ * Check if a list limit is reached and inform client accordingly.
+ *
+ * @param From The client.
+ * @param Count Reply item count.
+ * @param Limit Reply limit.
+ * @param Name Name of the list.
+ * @return true if list limit has been reached; false otherwise.
+ */
+GLOBAL bool
+IRC_CheckListTooBig(CLIENT *From, const int Count, const int Limit,
+ const char *Name)
{
- BOOLEAN is_member, has_voice, is_op, ok;
- CLIENT *cl, *from;
- CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ assert(From != NULL);
+ assert(Count >= 0);
+ assert(Limit > 0);
+ assert(Name != NULL);
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- cl = Client_Search( Req->argv[0] );
- if( cl )
- {
- /* Okay, Ziel ist ein User */
- if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' )))
- {
- /* Ziel-User ist AWAY: Meldung verschicken */
- if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED;
- }
-
- /* Text senden */
- if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] );
- }
-
- chan = Channel_Search( Req->argv[0] );
- if( chan )
- {
- /* Okay, Ziel ist ein Channel */
- is_member = has_voice = is_op = FALSE;
- if( Channel_IsMemberOf( chan, from ))
- {
- is_member = TRUE;
- if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE;
- if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE;
- }
-
- /* pruefen, ob Client in Channel schreiben darf */
- ok = TRUE;
- if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE;
- if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE;
+ if (Count < Limit)
+ return false;
- if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] );
+ (void)IRC_WriteStrClient(From,
+ "NOTICE %s :%s list limit (%d) reached!",
+ Client_ID(From), Name, Limit);
+ IRC_SetPenalty(From, 2);
+ return true;
+}
- /* Text senden */
- if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
- return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
- }
- return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
-} /* IRC_PRIVMSG */
-
-
-GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_ERROR( CLIENT *Client, REQUEST *Req )
{
- CLIENT *to, *from;
-
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 2 ) return CONNECTED;
+ if (Req->argc < 1)
+ Log(LOG_NOTICE, "Got ERROR from \"%s\"!",
+ Client_Mask(Client));
+ else
+ Log(LOG_NOTICE, "Got ERROR from \"%s\": \"%s\"!",
+ Client_Mask(Client), Req->argv[0]);
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- to = Client_Search( Req->argv[0] );
- if( to )
- {
- /* Okay, Ziel ist ein User */
- return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
- }
- else return CONNECTED;
-} /* IRC_NOTICE */
+ return CONNECTED;
+} /* IRC_ERROR */
-GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC "KILL" command.
+ *
+ * This function implements the IRC command "KILL" wich is used to selectively
+ * disconnect clients. It can be used by IRC operators and servers, for example
+ * to "solve" nick collisions after netsplits. See RFC 2812 section 3.7.1.
+ *
+ * Please note that this function is also called internally, without a real
+ * KILL command being received over the network! Client is Client_ThisServer()
+ * in this case, and the prefix in Req is NULL.
+ *
+ * @param Client The client from which this command has been received
+ * or Client_ThisServer() when generated interanlly.
+ * @param Req Request structure with prefix and all parameters.
+ * @returns CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_KILL( CLIENT *Client, REQUEST *Req )
{
- CHAR rpl[COMMAND_LEN], *ptr;
- CLIENT *target, *from, *c;
- CHANNEL *chan;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* 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_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
-
- if( Req->argc == 2 )
- {
- /* an anderen Server forwarden */
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), 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 );
+ CLIENT *prefix, *c;
+ char reason[COMMAND_LEN], *msg;
+ CONN_ID my_conn, conn;
+
+ assert (Client != NULL);
+ assert (Req != NULL);
+
+ if (Client_Type(Client) != CLIENT_SERVER && !Client_OperByMe(Client))
+ return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
+ Client_ID(Client));
+
+ if (Req->argc != 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ /* Get prefix (origin); use the client if no prefix is given. */
+ if (Req->prefix)
+ prefix = Client_Search(Req->prefix);
+ else
+ prefix = Client;
+
+ /* Log a warning message and use this server as origin when the
+ * prefix (origin) is invalid. */
+ if (!prefix) {
+ Log(LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!",
+ Req->prefix );
+ prefix = Client_ThisServer();
}
- /* Nun noch alle Clients ausgeben, die in keinem Channel sind */
- c = Client_First( );
- sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
- while( c )
+ if (Client != Client_ThisServer())
+ Log(LOG_NOTICE|LOG_snotice,
+ "Got KILL command from \"%s\" for \"%s\": %s",
+ Client_Mask(prefix), Req->argv[0], Req->argv[1]);
+
+ /* Build reason string: Prefix the "reason" if the originator is a
+ * regular user, so users can't spoof KILLs of servers. */
+ if (Client_Type(Client) == CLIENT_USER)
+ snprintf(reason, sizeof(reason), "KILLed by %s: %s",
+ Client_ID(Client), Req->argv[1]);
+ else
+ strlcpy(reason, Req->argv[1], sizeof(reason));
+
+ /* Inform other servers */
+ IRC_WriteStrServersPrefix(Client, prefix, "KILL %s :%s",
+ Req->argv[0], reason);
+
+ /* Save ID of this connection */
+ my_conn = Client_Conn( Client );
+
+ /* Do we host such a client? */
+ c = Client_Search( Req->argv[0] );
+ if( c )
{
- if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' )))
+ if(( Client_Type( c ) != CLIENT_USER ) &&
+ ( Client_Type( c ) != CLIENT_GOTNICK ))
{
- /* Okay, das ist ein User: anhaengen */
- if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " );
- strcat( rpl, Client_ID( c ));
+ /* Target of this KILL is not a regular user, this is
+ * invalid! So we ignore this case if we received a
+ * regular KILL from the network and try to kill the
+ * client/connection anyway (but log an error!) if the
+ * origin is the local server. */
- if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
+ if( Client != Client_ThisServer( ))
{
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
- sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
+ /* Invalid KILL received from remote */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ msg = ERR_CANTKILLSERVER_MSG;
+ else
+ msg = ERR_NOPRIVILEGES_MSG;
+ return IRC_WriteStrClient( Client, msg,
+ Client_ID( Client ));
}
+
+ Log( LOG_ERR, "Got KILL for invalid client type: %d, \"%s\"!",
+ Client_Type( c ), Req->argv[0] );
}
- /* naechster Client */
- c = Client_Next( c );
- }
- if( rpl[strlen( rpl ) - 1] != ':')
- {
- /* es wurden User gefunden */
- if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED;
+ /* Kill the client NOW:
+ * - Close the local connection (if there is one),
+ * - Destroy the CLIENT structure for remote clients.
+ * Note: Conn_Close() removes the CLIENT structure as well. */
+ conn = Client_Conn( c );
+ if(conn > NONE)
+ Conn_Close(conn, NULL, reason, true);
+ else
+ Client_Destroy(c, NULL, reason, false);
}
-
- return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
-} /* IRC_NAMES */
+ else
+ Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] );
+
+ /* Are we still connected or were we killed, too? */
+ if(( my_conn > NONE ) && ( Conn_GetClient( my_conn )))
+ return CONNECTED;
+ else
+ return DISCONNECTED;
+} /* IRC_KILL */
-GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
+/**
+ * Handler for the IRC command NOTICE.
+ */
+GLOBAL bool
+IRC_NOTICE(CLIENT *Client, REQUEST *Req)
{
- CHAR rpl[COMMAND_LEN];
- CLIENT *c;
- CHAR *ptr;
- INT i;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ return Send_Message(Client, Req, CLIENT_USER, false);
+} /* IRC_NOTICE */
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+/**
+ * Handler for the IRC command PRIVMSG.
+ */
+GLOBAL bool
+IRC_PRIVMSG(CLIENT *Client, REQUEST *Req)
+{
+ return Send_Message(Client, Req, CLIENT_USER, true);
+} /* IRC_PRIVMSG */
- strcpy( rpl, RPL_ISON_MSG );
- for( i = 0; i < Req->argc; i++ )
- {
- ptr = strtok( Req->argv[i], " " );
- while( ptr )
- {
- ngt_TrimStr( ptr );
- c = Client_GetFromID( ptr );
- if( c && ( Client_Type( c ) == CLIENT_USER ))
- {
- /* Dieser Nick ist "online" */
- strcat( rpl, ptr );
- strcat( rpl, " " );
- }
- ptr = strtok( NULL, " " );
- }
- }
- if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
- return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
-} /* IRC_ISON */
+/**
+ * Handler for the IRC command SQUERY.
+ */
+GLOBAL bool
+IRC_SQUERY(CLIENT *Client, REQUEST *Req)
+{
+ return Send_Message(Client, Req, CLIENT_SERVICE, true);
+} /* IRC_SQUERY */
-GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_TRACE( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target, *c;
- CHAR str[LINE_LEN + 1], *ptr = NULL;
- CL2CHAN *cl2chan;
- CHANNEL *chan;
-
+ CONN_ID idx, idx2;
+ char user[CLIENT_USER_LEN];
+
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* Bad number of arguments? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- /* Client suchen */
- c = Client_GetFromID( 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] );
-
- /* Empfaenger des WHOIS suchen */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ /* Search sender */
+ 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 );
-
- /* Forwarden an anderen Server? */
- if( Req->argc > 1 )
- {
- /* angegebenen Ziel-Server suchen */
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- ptr = Req->argv[1];
- }
- 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], ptr );
-
- /* Nick, User und 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 */
- sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- cl2chan = Channel_FirstChannelOf( c );
- while( cl2chan )
- {
- chan = Channel_GetChannel( cl2chan );
- assert( chan != NULL );
-
- /* Channel-Name anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
- if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
- if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
- strcat( str, Channel_Name( chan ));
-
- if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
- {
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
- }
-
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextChannelOf( c, cl2chan );
- }
- if( str[strlen( str ) - 1] != ':')
- {
- /* Es sind noch Daten da, die gesendet werden muessen */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- }
+ /* Search target */
+ if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
+ else target = Client_ThisServer( );
- /* IRC-Operator? */
- if( Client_HasMode( c, 'o' ))
+ /* Forward command to other server? */
+ if( target != Client_ThisServer( ))
{
- if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
- }
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
- /* Idle (nur lokale 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;
- }
+ /* Send RPL_TRACELINK back to initiator */
+ idx = Client_Conn( Client ); assert( idx > NONE );
+ idx2 = Client_Conn( Client_NextHop( target )); assert( idx2 > NONE );
+ if( ! IRC_WriteStrClient( from, RPL_TRACELINK_MSG, Client_ID( from ), PACKAGE_NAME, PACKAGE_VERSION, Client_ID( target ), Client_ID( Client_NextHop( target )), Option_String( idx2 ), time( NULL ) - Conn_StartTime( idx2 ), Conn_SendQ( idx ), Conn_SendQ( idx2 ))) 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;
+ /* Forward command */
+ IRC_WriteStrClientPrefix( target, from, "TRACE %s", Req->argv[0] );
+ return CONNECTED;
}
- /* End of Whois */
- return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
-} /* IRC_WHOIS */
-
-
-GLOBAL BOOLEAN IRC_WHO( CLIENT *Client, REQUEST *Req )
-{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- return CONNECTED;
-} /* IRC_WHO */
-
-
-GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
-{
- CHAR rpl[COMMAND_LEN];
- CLIENT *c;
- INT max, i;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* 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;
-
- strcpy( rpl, RPL_USERHOST_MSG );
- for( i = 0; i < max; i++ )
+ /* Infos about all connected servers */
+ c = Client_First( );
+ while( c )
{
- c = Client_GetFromID( Req->argv[i] );
- if( c && ( Client_Type( c ) == CLIENT_USER ))
+ if( Client_Conn( c ) > NONE )
{
- /* Dieser Nick ist "online" */
- strcat( rpl, Client_ID( c ));
- if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
- strcat( rpl, "=" );
- if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
- else strcat( rpl, "+" );
- strcat( rpl, Client_User( c ));
- strcat( rpl, "@" );
- strcat( rpl, Client_Hostname( c ));
- strcat( rpl, " " );
+ /* Local client */
+ if( Client_Type( c ) == CLIENT_SERVER )
+ {
+ /* Server link */
+ strlcpy( user, Client_User( c ), sizeof( user ));
+ if( user[0] == '~' ) strlcpy( user, "unknown", sizeof( user ));
+ if( ! IRC_WriteStrClient( from, RPL_TRACESERVER_MSG, Client_ID( from ), Client_ID( c ), user, Client_Hostname( c ), Client_Mask( Client_ThisServer( )), Option_String( Client_Conn( c )))) return DISCONNECTED;
+ }
+ if(( Client_Type( c ) == CLIENT_USER ) && ( strchr( Client_Modes( c ), 'o' )))
+ {
+ /* IRC Operator */
+ if( ! IRC_WriteStrClient( from, RPL_TRACEOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
+ }
}
+ c = Client_Next( c );
}
- if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
- return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
-} /* IRC_USERHOST */
+ IRC_SetPenalty( Client, 3 );
+ return IRC_WriteStrClient( from, RPL_TRACEEND_MSG, Client_ID( from ), Conf_ServerName, PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel );
+} /* IRC_TRACE */
-GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
+GLOBAL bool
+IRC_HELP( CLIENT *Client, REQUEST *Req )
{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
- else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
+ COMMAND *cmd;
- return CONNECTED;
-} /* IRC_ERROR */
-
-
-GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *target, *from;
-
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* 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_GetFromID( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ /* Bad number of arguments? */
+ if( Req->argc > 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
- /* An anderen Server forwarden? */
- if( Req->argc == 2 )
+ cmd = Parse_GetCommandStruct( );
+ while( cmd->name )
{
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
- else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
+ if( ! IRC_WriteStrClient( Client, "NOTICE %s :%s", Client_ID( Client ), cmd->name )) return DISCONNECTED;
+ cmd++;
}
-
- /* Wer ist der Absender? */
- if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( 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( Client, 2 );
return CONNECTED;
-} /* IRC_LUSERS */
+} /* IRC_HELP */
-GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
+static char *
+Option_String( CONN_ID Idx )
{
- CLIENT *target, *from, *c;
- CHAR *mask;
-
- assert( Client != NULL );
- assert( Req != NULL );
+ static char option_txt[8];
+ UINT16 options;
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ options = Conn_Options(Idx);
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ strcpy(option_txt, "F"); /* No idea what this means, but the
+ * original ircd sends it ... */
+#ifdef ZLIB
+ if(options & CONN_ZIP) /* zlib compression supported. */
+ strcat(option_txt, "z");
+#endif
- /* Server-Mask ermitteln */
- if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
- else mask = "*";
+ return option_txt;
+} /* Option_String */
- /* Absender ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( 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_GetFromID( Req->argv[0] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), 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_GetFromID( 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 );
- }
-
- return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
-} /* IRC_LINKS */
-
-
-GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
+static bool
+Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
{
- 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 );
+ CLIENT *cl, *from;
+ CL2CHAN *cl2chan;
+ CHANNEL *chan;
+ char *currentTarget = Req->argv[0];
+ char *lastCurrentTarget = NULL;
- /* Ziel suchen */
- if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
- else target = Client_ThisServer( );
+ assert(Client != NULL);
+ assert(Req != NULL);
- /* Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix );
- else prefix = Client;
- if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
-
- /* An anderen Server weiterleiten? */
- if( target != Client_ThisServer( ))
- {
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
-
- /* forwarden */
- IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
- return CONNECTED;
+ if (Req->argc == 0) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NORECIPIENT_MSG,
+ Client_ID(Client), Req->command);
}
-
- /* mit Versionsinfo antworten */
- return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
-} /* IRC_VERSION */
-
-
-GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
-{
- CLIENT *prefix, *c;
-
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
- /* Falsche Anzahl Parameter? */
- if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- prefix = Client_GetFromID( Req->prefix );
- if( ! prefix )
- {
- Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
- prefix = Client_ThisServer( );
+ if (Req->argc == 1) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NOTEXTTOSEND_MSG,
+ Client_ID(Client));
}
-
- Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
-
- /* andere Server benachrichtigen */
- IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
-
- /* haben wir selber einen solchen Client? */
- c = Client_GetFromID( Req->argv[0] );
- if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
-
- return CONNECTED;
-} /* IRC_KILL */
-
-
-GLOBAL BOOLEAN IRC_Show_MOTD( CLIENT *Client )
-{
- BOOLEAN ok;
- CHAR line[127];
- FILE *fd;
-
- assert( Client != NULL );
-
- 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 (Req->argc > 2) {
+ if (!SendErrors)
+ return CONNECTED;
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
}
-
- IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
- while( TRUE )
- {
- if( ! fgets( line, 126, fd )) break;
- if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
- 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 */
+ 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);
+
+ /* handle msgtarget = msgto *("," msgto) */
+ currentTarget = strtok_r(currentTarget, ",", &lastCurrentTarget);
+ ngt_UpperStr(Req->command);
+
+ while (currentTarget) {
+ /* Check for and handle valid <msgto> of form:
+ * RFC 2812 2.3.1:
+ * msgto = channel / ( user [ "%" host ] "@" servername )
+ * msgto =/ ( user "%" host ) / targetmask
+ * msgto =/ nickname / ( nickname "!" user "@" host )
+ */
+ if (strchr(currentTarget, '!') == NULL)
+ /* nickname */
+ cl = Client_Search(currentTarget);
+ else
+ cl = NULL;
+
+ if (cl == NULL) {
+ /* If currentTarget isn't a nickname check for:
+ * user ["%" host] "@" servername
+ * user "%" host
+ * nickname "!" user "@" host
+ */
+ char target[COMMAND_LEN];
+ char * nick = NULL;
+ char * user = NULL;
+ char * host = NULL;
+ char * server = NULL;
+
+ strlcpy(target, currentTarget, COMMAND_LEN);
+ server = strchr(target, '@');
+ if (server) {
+ *server = '\0';
+ server++;
+ }
+ host = strchr(target, '%');
+ if (host) {
+ *host = '\0';
+ host++;
+ }
+ user = strchr(target, '!');
+ if (user) {
+ /* msgto form: nick!user@host */
+ *user = '\0';
+ user++;
+ nick = target;
+ host = server; /* not "@server" but "@host" */
+ } else {
+ user = target;
+ }
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER &&
+ Client_Type(cl) != CLIENT_SERVICE)
+ continue;
+ if (nick != NULL && host != NULL) {
+ if (strcmp(nick, Client_ID(cl)) == 0 &&
+ strcmp(user, Client_User(cl)) == 0 &&
+ strcasecmp(host, Client_HostnameCloaked(cl)) == 0)
+ break;
+ else
+ continue;
+ }
+ if (strcasecmp(user, Client_User(cl)) != 0)
+ continue;
+ if (host != NULL && strcasecmp(host,
+ Client_HostnameCloaked(cl)) != 0)
+ continue;
+ if (server != NULL && strcasecmp(server,
+ Client_ID(Client_Introducer(cl))) != 0)
+ continue;
+ break;
+ }
+ }
-GLOBAL BOOLEAN IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
-{
- BOOLEAN 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;
-
- /* Alle Mitglieder suchen */
- sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- cl = Channel_GetClient( cl2chan );
+ if (cl) {
+ /* Target is a user, enforce type */
+#ifndef STRICT_RFC
+ if (Client_Type(cl) != ForceType &&
+ !(ForceType == CLIENT_USER &&
+ (Client_Type(cl) == CLIENT_USER ||
+ Client_Type(cl) == CLIENT_SERVICE))) {
+#else
+ if (Client_Type(cl) != ForceType) {
+#endif
+ if (SendErrors && !IRC_WriteStrClient(
+ from, ERR_NOSUCHNICK_MSG,Client_ID(from),
+ currentTarget))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
- if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
- else is_visible = TRUE;
+#ifndef STRICT_RFC
+ if (ForceType == CLIENT_SERVICE &&
+ (Conn_Options(Client_Conn(Client_NextHop(cl)))
+ & CONN_RFC1459)) {
+ /* SQUERY command but RFC 1459 link: convert
+ * request to PRIVMSG command */
+ Req->command = "PRIVMSG";
+ }
+#endif
+
+ if (Client_HasMode(cl, 'C')) {
+ cl2chan = Channel_FirstChannelOf(cl);
+ while (cl2chan) {
+ chan = Channel_GetChannel(cl2chan);
+ if (Channel_IsMemberOf(chan, from))
+ break;
+ cl2chan = Channel_NextChannelOf(cl, cl2chan);
+ }
+ if (!cl2chan) {
+ if (SendErrors && !IRC_WriteStrClient(
+ from, ERR_NOTONSAMECHANNEL_MSG,
+ Client_ID(from), Client_ID(cl)))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
+ }
- if( is_member || is_visible )
- {
- /* Nick anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
- if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
- if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
- strcat( str, Client_ID( cl ));
-
- if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
- {
- /* Zeile wird zu lang: senden! */
- if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
- sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
+ if (SendErrors && (Client_Type(Client) != CLIENT_SERVER)
+ && strchr(Client_Modes(cl), 'a')) {
+ /* Target is away */
+ if (!IRC_WriteStrClient(from, RPL_AWAY_MSG,
+ Client_ID(from),
+ Client_ID(cl),
+ Client_Away(cl)))
+ return DISCONNECTED;
}
+ if (Client_Conn(from) > NONE) {
+ Conn_UpdateIdle(Client_Conn(from));
+ }
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ Req->command, Client_ID(cl),
+ Req->argv[1]))
+ return DISCONNECTED;
+ } else if (ForceType != CLIENT_SERVICE
+ && (chan = Channel_Search(currentTarget))) {
+ if (!Channel_Write(chan, from, Client, Req->command,
+ SendErrors, Req->argv[1]))
+ return DISCONNECTED;
+ } else if (ForceType != CLIENT_SERVICE
+ /* $#: server/target mask, RFC 2812, sec. 3.3.1 */
+ && strchr("$#", currentTarget[0])
+ && strchr(currentTarget, '.')) {
+ /* targetmask */
+ if (!Send_Message_Mask(from, Req->command, currentTarget,
+ Req->argv[1], SendErrors))
+ return DISCONNECTED;
+ } else {
+ if (!SendErrors)
+ return CONNECTED;
+ if (!IRC_WriteStrClient(from, ERR_NOSUCHNICK_MSG,
+ Client_ID(from), currentTarget))
+ return DISCONNECTED;
}
- /* 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, str )) return DISCONNECTED;
+ send_next_target:
+ currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
+ if (currentTarget)
+ Conn_SetPenalty(Client_Conn(Client), 1);
}
return CONNECTED;
-} /* IRC_Send_NAMES */
+} /* Send_Message */
-GLOBAL BOOLEAN IRC_Send_LUSERS( CLIENT *Client )
+static bool
+Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
+ char * message, bool SendErrors)
{
- INT cnt;
-
- assert( Client != NULL );
+ CLIENT *cl;
+ bool client_match;
+ char *mask = targetMask + 1;
+ const char *check_wildcards;
- /* Users, Services und Serevr im Netz */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
+ cl = NULL;
- /* IRC-Operatoren im Netz */
- cnt = Client_OperCount( );
- if( cnt > 0 )
- {
- if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ if (strchr(Client_Modes(from), 'o') == NULL) {
+ if (!SendErrors)
+ return true;
+ return IRC_WriteStrClient(from, ERR_NOPRIVILEGES_MSG,
+ Client_ID(from));
}
- /* Unbekannt Verbindungen */
- cnt = Client_UnknownCount( );
- if( cnt > 0 )
+ /*
+ * RFC 2812, sec. 3.3.1 requires that targetMask have at least one
+ * dot (".") and no wildcards ("*", "?") following the last one.
+ */
+ check_wildcards = strrchr(targetMask, '.');
+ assert(check_wildcards != NULL);
+ if (check_wildcards &&
+ check_wildcards[strcspn(check_wildcards, "*?")])
{
- if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
+ if (!SendErrors)
+ return true;
+ return IRC_WriteStrClient(from, ERR_WILDTOPLEVEL, targetMask);
}
- /* Channels im Netz */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
-
- /* Channels im Netz */
- if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
-
+ /* #: hostmask, see RFC 2812, sec. 3.3.1 */
+ if (targetMask[0] == '#') {
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER)
+ continue;
+ client_match = MatchCaseInsensitive(mask, Client_Hostname(cl));
+ if (client_match)
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ command, Client_ID(cl), message))
+ return false;
+ }
+ } else {
+ assert(targetMask[0] == '$'); /* $: server mask, see RFC 2812, sec. 3.3.1 */
+ for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
+ if (Client_Type(cl) != CLIENT_USER)
+ continue;
+ client_match = MatchCaseInsensitive(mask,
+ Client_ID(Client_Introducer(cl)));
+ if (client_match)
+ if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
+ command, Client_ID(cl), message))
+ return false;
+ }
+ }
return CONNECTED;
-} /* IRC_Send_LUSERS */
+} /* Send_Message_Mask */
/* -eof- */
projects / ngircd-alex.git / blobdiff