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Date:: Tue Mar 26 23:58:34 2002 UTC
Message:: - Kommentar korrekt eingerueckt. Wow ;-)
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  1 c23199d9 2002-02-27 alex /*
  2 c23199d9 2002-02-27 alex  * ngIRCd -- The Next Generation IRC Daemon
  3 c23199d9 2002-02-27 alex  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
  4 c23199d9 2002-02-27 alex  *
  5 c23199d9 2002-02-27 alex  * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
  6 c23199d9 2002-02-27 alex  * der GNU General Public License (GPL), wie von der Free Software Foundation
  7 c23199d9 2002-02-27 alex  * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
  8 c23199d9 2002-02-27 alex  * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
  9 c23199d9 2002-02-27 alex  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
 10 c23199d9 2002-02-27 alex  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
 11 c23199d9 2002-02-27 alex  *
 12 bcc51385 2002-03-26 alex  * $Id: irc-login.c,v 1.11 2002/03/26 23:58:34 alex Exp $
 13 c23199d9 2002-02-27 alex  *
 14 c23199d9 2002-02-27 alex  * irc-login.c: Anmeldung und Abmeldung im IRC
 15 c23199d9 2002-02-27 alex  */
 16 c23199d9 2002-02-27 alex 
 17 c23199d9 2002-02-27 alex 
 18 ca33cbda 2002-03-12 alex #include "portab.h"
 19 c23199d9 2002-02-27 alex 
 20 ca33cbda 2002-03-12 alex #include "imp.h"
 21 c23199d9 2002-02-27 alex #include <assert.h>
 22 c23199d9 2002-02-27 alex #include <stdio.h>
 23 c23199d9 2002-02-27 alex #include <stdlib.h>
 24 c23199d9 2002-02-27 alex #include <string.h>
 25 c23199d9 2002-02-27 alex 
 26 c23199d9 2002-02-27 alex #include "ngircd.h"
 27 c23199d9 2002-02-27 alex #include "conf.h"
 28 c23199d9 2002-02-27 alex #include "irc.h"
 29 c23199d9 2002-02-27 alex #include "irc-write.h"
 30 c23199d9 2002-02-27 alex #include "log.h"
 31 c23199d9 2002-02-27 alex #include "messages.h"
 32 c23199d9 2002-02-27 alex 
 33 ca33cbda 2002-03-12 alex #include "exp.h"
 34 c23199d9 2002-02-27 alex #include "irc-login.h"
 35 c23199d9 2002-02-27 alex 
 36 c23199d9 2002-02-27 alex 
 37 c23199d9 2002-02-27 alex LOCAL BOOLEAN Hello_User( CLIENT *Client );
 38 c23199d9 2002-02-27 alex LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
 39 c23199d9 2002-02-27 alex 
 40 c23199d9 2002-02-27 alex 
 41 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
 42 c23199d9 2002-02-27 alex {
 43 c23199d9 2002-02-27 alex 	assert( Client != NULL );
 44 c23199d9 2002-02-27 alex 	assert( Req != NULL );
 45 c23199d9 2002-02-27 alex 
 46 c23199d9 2002-02-27 alex 	/* Fehler liefern, wenn kein lokaler Client */
 47 c23199d9 2002-02-27 alex 	if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
 48 c23199d9 2002-02-27 alex 	
 49 c23199d9 2002-02-27 alex 	if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
 50 c23199d9 2002-02-27 alex 	{
 51 c23199d9 2002-02-27 alex 		/* noch nicht registrierte unbekannte Verbindung */
 52 c23199d9 2002-02-27 alex 		Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
 53 c23199d9 2002-02-27 alex 
 54 c23199d9 2002-02-27 alex 		/* Passwort speichern */
 55 c23199d9 2002-02-27 alex 		Client_SetPassword( Client, Req->argv[0] );
 56 c23199d9 2002-02-27 alex 
 57 c23199d9 2002-02-27 alex 		Client_SetType( Client, CLIENT_GOTPASS );
 58 c23199d9 2002-02-27 alex 		return CONNECTED;
 59 c23199d9 2002-02-27 alex 	}
 60 c23199d9 2002-02-27 alex 	else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
 61 c23199d9 2002-02-27 alex 	{
 62 c23199d9 2002-02-27 alex 		/* noch nicht registrierte Server-Verbindung */
 63 c23199d9 2002-02-27 alex 		Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
 64 c23199d9 2002-02-27 alex 
 65 c23199d9 2002-02-27 alex 		/* Passwort speichern */
 66 c23199d9 2002-02-27 alex 		Client_SetPassword( Client, Req->argv[0] );
 67 c23199d9 2002-02-27 alex 
 68 c23199d9 2002-02-27 alex 		Client_SetType( Client, CLIENT_GOTPASSSERVER );
 69 c23199d9 2002-02-27 alex 		return CONNECTED;
 70 c23199d9 2002-02-27 alex 	}
 71 c23199d9 2002-02-27 alex 	else if(( Client_Type( Client ) == CLIENT_UNKNOWN  ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
 72 c23199d9 2002-02-27 alex 	{
 73 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
 74 c23199d9 2002-02-27 alex 		return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 75 c23199d9 2002-02-27 alex 	}
 76 c23199d9 2002-02-27 alex 	else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
 77 c23199d9 2002-02-27 alex } /* IRC_PASS */
 78 c23199d9 2002-02-27 alex 
 79 c23199d9 2002-02-27 alex 
 80 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
 81 c23199d9 2002-02-27 alex {
 82 c23199d9 2002-02-27 alex 	CLIENT *intr_c, *target, *c;
 83 c23199d9 2002-02-27 alex 	CHAR *modes;
 84 c23199d9 2002-02-27 alex 
 85 c23199d9 2002-02-27 alex 	assert( Client != NULL );
 86 c23199d9 2002-02-27 alex 	assert( Req != NULL );
 87 c23199d9 2002-02-27 alex 
 88 c23199d9 2002-02-27 alex 	/* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
 89 c23199d9 2002-02-27 alex #ifndef STRICT_RFC
 90 c23199d9 2002-02-27 alex 	if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
 91 c23199d9 2002-02-27 alex #else
 92 c23199d9 2002-02-27 alex 	if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
 93 c23199d9 2002-02-27 alex #endif
 94 c23199d9 2002-02-27 alex 	{
 95 c23199d9 2002-02-27 alex 		/* User-Registrierung bzw. Nick-Aenderung */
 96 c23199d9 2002-02-27 alex 
 97 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
 98 c23199d9 2002-02-27 alex 		if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 99 c23199d9 2002-02-27 alex 
100 c23199d9 2002-02-27 alex 		/* "Ziel-Client" ermitteln */
101 c23199d9 2002-02-27 alex 		if( Client_Type( Client ) == CLIENT_SERVER )
102 c23199d9 2002-02-27 alex 		{
103 bc4ed226 2002-03-25 alex 			target = Client_Search( Req->prefix );
104 c23199d9 2002-02-27 alex 			if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
105 c23199d9 2002-02-27 alex 		}
106 c23199d9 2002-02-27 alex 		else
107 c23199d9 2002-02-27 alex 		{
108 c23199d9 2002-02-27 alex 			/* Ist der Client "restricted"? */
109 c23199d9 2002-02-27 alex 			if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
110 c23199d9 2002-02-27 alex 			target = Client;
111 c23199d9 2002-02-27 alex 		}
112 c23199d9 2002-02-27 alex 
113 c23199d9 2002-02-27 alex #ifndef STRICT_RFC
114 c23199d9 2002-02-27 alex 		/* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
115 c23199d9 2002-02-27 alex 		 * wir nichts. So macht es das Original und mind. Snak hat probleme,
116 c23199d9 2002-02-27 alex 		 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
117 c23199d9 2002-02-27 alex 		if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
118 c23199d9 2002-02-27 alex #endif
119 c23199d9 2002-02-27 alex 		
120 c23199d9 2002-02-27 alex 		/* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
121 c23199d9 2002-02-27 alex 		 * will nur die Gross- und Kleinschreibung aendern. Das darf
122 c23199d9 2002-02-27 alex 		 * er natuerlich machen :-) */
123 c23199d9 2002-02-27 alex 		if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
124 c23199d9 2002-02-27 alex 		{
125 c23199d9 2002-02-27 alex 			if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
126 c23199d9 2002-02-27 alex 		}
127 c23199d9 2002-02-27 alex 
128 c23199d9 2002-02-27 alex 		if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
129 c23199d9 2002-02-27 alex 		{
130 c23199d9 2002-02-27 alex 			/* Neuer Client */
131 c23199d9 2002-02-27 alex 			Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", Client_Conn( Client ));
132 c23199d9 2002-02-27 alex 
133 c23199d9 2002-02-27 alex 			/* Client-Nick registrieren */
134 c23199d9 2002-02-27 alex 			Client_SetID( target, Req->argv[0] );
135 c23199d9 2002-02-27 alex 
136 c23199d9 2002-02-27 alex 			/* schon ein USER da? Dann registrieren! */
137 c23199d9 2002-02-27 alex 			if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
138 c23199d9 2002-02-27 alex 			else Client_SetType( Client, CLIENT_GOTNICK );
139 c23199d9 2002-02-27 alex 		}
140 c23199d9 2002-02-27 alex 		else
141 c23199d9 2002-02-27 alex 		{
142 c23199d9 2002-02-27 alex 			/* Nick-Aenderung */
143 69f68307 2002-03-19 alex 			if( Client_Conn( target ) > NONE ) Log( LOG_INFO, "User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0], Client_Conn( target ));
144 69f68307 2002-03-19 alex 			else Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
145 c23199d9 2002-02-27 alex 
146 0370c484 2002-03-02 alex 			/* alle betroffenen User und Server ueber Nick-Aenderung informieren */
147 0370c484 2002-03-02 alex 			if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
148 0370c484 2002-03-02 alex 			IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
149 0370c484 2002-03-02 alex 			IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
150 0370c484 2002-03-02 alex 			
151 c23199d9 2002-02-27 alex 			/* neuen Client-Nick speichern */
152 c23199d9 2002-02-27 alex 			Client_SetID( target, Req->argv[0] );
153 c23199d9 2002-02-27 alex 		}
154 c23199d9 2002-02-27 alex 
155 c23199d9 2002-02-27 alex 		return CONNECTED;
156 c23199d9 2002-02-27 alex 	}
157 c23199d9 2002-02-27 alex 	else if( Client_Type( Client ) == CLIENT_SERVER )
158 c23199d9 2002-02-27 alex 	{
159 c23199d9 2002-02-27 alex 		/* Server fuehrt neuen Client ein */
160 c23199d9 2002-02-27 alex 
161 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
162 c23199d9 2002-02-27 alex 		if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
163 c23199d9 2002-02-27 alex 
164 c23199d9 2002-02-27 alex 		/* Nick ueberpruefen */
165 bc4ed226 2002-03-25 alex 		c = Client_Search( Req->argv[0] );
166 c23199d9 2002-02-27 alex 		if( c )
167 c23199d9 2002-02-27 alex 		{
168 c23199d9 2002-02-27 alex 			/* Der neue Nick ist auf diesem Server bereits registriert:
169 c23199d9 2002-02-27 alex 			 * sowohl der neue, als auch der alte Client muessen nun
170 c23199d9 2002-02-27 alex 			 * disconnectiert werden. */
171 c23199d9 2002-02-27 alex 			Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
172 c23199d9 2002-02-27 alex 			Kill_Nick( Req->argv[0], "Nick collision" );
173 c23199d9 2002-02-27 alex 			return CONNECTED;
174 c23199d9 2002-02-27 alex 		}
175 c23199d9 2002-02-27 alex 
176 c23199d9 2002-02-27 alex 		/* Server, zu dem der Client connectiert ist, suchen */
177 c23199d9 2002-02-27 alex 		intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
178 c23199d9 2002-02-27 alex 		if( ! intr_c )
179 c23199d9 2002-02-27 alex 		{
180 c23199d9 2002-02-27 alex 			Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
181 c23199d9 2002-02-27 alex 			Kill_Nick( Req->argv[0], "Unknown server" );
182 c23199d9 2002-02-27 alex 			return CONNECTED;
183 c23199d9 2002-02-27 alex 		}
184 c23199d9 2002-02-27 alex 
185 c23199d9 2002-02-27 alex 		/* Neue Client-Struktur anlegen */
186 c23199d9 2002-02-27 alex 		c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
187 c23199d9 2002-02-27 alex 		if( ! c )
188 c23199d9 2002-02-27 alex 		{
189 c23199d9 2002-02-27 alex 			/* Eine neue Client-Struktur konnte nicht angelegt werden.
190 c23199d9 2002-02-27 alex 			 * Der Client muss disconnectiert werden, damit der Netz-
191 c23199d9 2002-02-27 alex 			 * status konsistent bleibt. */
192 c23199d9 2002-02-27 alex 			Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
193 c23199d9 2002-02-27 alex 			Kill_Nick( Req->argv[0], "Server error" );
194 c23199d9 2002-02-27 alex 			return CONNECTED;
195 c23199d9 2002-02-27 alex 		}
196 c23199d9 2002-02-27 alex 
197 c23199d9 2002-02-27 alex 		modes = Client_Modes( c );
198 c23199d9 2002-02-27 alex 		if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
199 c23199d9 2002-02-27 alex 		else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
200 c23199d9 2002-02-27 alex 
201 c23199d9 2002-02-27 alex 		/* Andere Server, ausser dem Introducer, informieren */
202 c23199d9 2002-02-27 alex 		IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
203 c23199d9 2002-02-27 alex 
204 c23199d9 2002-02-27 alex 		return CONNECTED;
205 c23199d9 2002-02-27 alex 	}
206 c23199d9 2002-02-27 alex 	else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
207 c23199d9 2002-02-27 alex } /* IRC_NICK */
208 c23199d9 2002-02-27 alex 
209 c23199d9 2002-02-27 alex 
210 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
211 c23199d9 2002-02-27 alex {
212 c23199d9 2002-02-27 alex 	assert( Client != NULL );
213 c23199d9 2002-02-27 alex 	assert( Req != NULL );
214 c23199d9 2002-02-27 alex 
215 c23199d9 2002-02-27 alex #ifndef STRICT_RFC
216 c23199d9 2002-02-27 alex 	if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
217 c23199d9 2002-02-27 alex #else
218 c23199d9 2002-02-27 alex 	if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
219 c23199d9 2002-02-27 alex #endif
220 c23199d9 2002-02-27 alex 	{
221 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
222 c23199d9 2002-02-27 alex 		if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
223 c23199d9 2002-02-27 alex 
224 c23199d9 2002-02-27 alex 		Client_SetUser( Client, Req->argv[0], FALSE );
225 c23199d9 2002-02-27 alex 		Client_SetInfo( Client, Req->argv[3] );
226 c23199d9 2002-02-27 alex 
227 c23199d9 2002-02-27 alex 		Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client ));
228 c23199d9 2002-02-27 alex 		if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
229 c23199d9 2002-02-27 alex 		else Client_SetType( Client, CLIENT_GOTUSER );
230 c23199d9 2002-02-27 alex 		return CONNECTED;
231 c23199d9 2002-02-27 alex 	}
232 c23199d9 2002-02-27 alex 	else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
233 c23199d9 2002-02-27 alex 	{
234 c23199d9 2002-02-27 alex 		return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
235 c23199d9 2002-02-27 alex 	}
236 c23199d9 2002-02-27 alex 	else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
237 c23199d9 2002-02-27 alex } /* IRC_USER */
238 c23199d9 2002-02-27 alex 
239 c23199d9 2002-02-27 alex 
240 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
241 c23199d9 2002-02-27 alex {
242 c23199d9 2002-02-27 alex 	CLIENT *target;
243 c23199d9 2002-02-27 alex 	
244 c23199d9 2002-02-27 alex 	assert( Client != NULL );
245 c23199d9 2002-02-27 alex 	assert( Req != NULL );
246 c23199d9 2002-02-27 alex 
247 c23199d9 2002-02-27 alex 	if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
248 c23199d9 2002-02-27 alex 	{
249 c23199d9 2002-02-27 alex 		/* User / Service */
250 c23199d9 2002-02-27 alex 		
251 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
252 c23199d9 2002-02-27 alex 		if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
253 c23199d9 2002-02-27 alex 
254 c23199d9 2002-02-27 alex 		if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
255 c23199d9 2002-02-27 alex 		else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
256 c23199d9 2002-02-27 alex 		
257 c23199d9 2002-02-27 alex 		return DISCONNECTED;
258 c23199d9 2002-02-27 alex 	}
259 c23199d9 2002-02-27 alex 	else if ( Client_Type( Client ) == CLIENT_SERVER )
260 c23199d9 2002-02-27 alex 	{
261 c23199d9 2002-02-27 alex 		/* Server */
262 c23199d9 2002-02-27 alex 
263 c23199d9 2002-02-27 alex 		/* Falsche Anzahl Parameter? */
264 c23199d9 2002-02-27 alex 		if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
265 c23199d9 2002-02-27 alex 
266 c23199d9 2002-02-27 alex 		target = Client_Search( Req->prefix );
267 c23199d9 2002-02-27 alex 		if( ! target )
268 c23199d9 2002-02-27 alex 		{
269 9fc7e66f 2002-03-11 alex 			/* Den Client kennen wir nicht (mehr), also nichts zu tun. */
270 f7a0ff1f 2002-03-11 alex 			Log( LOG_WARNING, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
271 c23199d9 2002-02-27 alex 			return CONNECTED;
272 c23199d9 2002-02-27 alex 		}
273 c23199d9 2002-02-27 alex 
274 50ec7a56 2002-03-11 alex 		if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL, TRUE );
275 50ec7a56 2002-03-11 alex 		else Client_Destroy( target, "Got QUIT command.", Req->argv[0], TRUE );
276 c23199d9 2002-02-27 alex 
277 c23199d9 2002-02-27 alex 		return CONNECTED;
278 c23199d9 2002-02-27 alex 	}
279 c23199d9 2002-02-27 alex 	else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
280 c23199d9 2002-02-27 alex } /* IRC_QUIT */
281 c23199d9 2002-02-27 alex 
282 c23199d9 2002-02-27 alex 
283 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
284 c23199d9 2002-02-27 alex {
285 c23199d9 2002-02-27 alex 	CLIENT *target, *from;
286 c23199d9 2002-02-27 alex 
287 c23199d9 2002-02-27 alex 	assert( Client != NULL );
288 c23199d9 2002-02-27 alex 	assert( Req != NULL );
289 c23199d9 2002-02-27 alex 
290 c23199d9 2002-02-27 alex 	if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
291 c23199d9 2002-02-27 alex 
292 c23199d9 2002-02-27 alex 	/* Falsche Anzahl Parameter? */
293 c23199d9 2002-02-27 alex 	if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
294 5fa05dce 2002-03-10 alex #ifdef STRICT_RFC
295 c23199d9 2002-02-27 alex 	if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
296 5fa05dce 2002-03-10 alex #endif
297 c23199d9 2002-02-27 alex 
298 5fa05dce 2002-03-10 alex 	if( Req->argc > 1 )
299 c23199d9 2002-02-27 alex 	{
300 c23199d9 2002-02-27 alex 		/* es wurde ein Ziel-Client angegeben */
301 bc4ed226 2002-03-25 alex 		target = Client_Search( Req->argv[1] );
302 c23199d9 2002-02-27 alex 		if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
303 c23199d9 2002-02-27 alex 		if( target != Client_ThisServer( ))
304 c23199d9 2002-02-27 alex 		{
305 c23199d9 2002-02-27 alex 			/* ok, forwarden */
306 bc4ed226 2002-03-25 alex 			if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
307 c23199d9 2002-02-27 alex 			else from = Client;
308 c23199d9 2002-02-27 alex 			if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
309 c23199d9 2002-02-27 alex 			return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
310 c23199d9 2002-02-27 alex 		}
311 c23199d9 2002-02-27 alex 	}
312 c23199d9 2002-02-27 alex 
313 c23199d9 2002-02-27 alex 	Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
314 c23199d9 2002-02-27 alex 	return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
315 c23199d9 2002-02-27 alex } /* IRC_PING */
316 c23199d9 2002-02-27 alex 
317 c23199d9 2002-02-27 alex 
318 c23199d9 2002-02-27 alex GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
319 c23199d9 2002-02-27 alex {
320 c23199d9 2002-02-27 alex 	CLIENT *target, *from;
321 c23199d9 2002-02-27 alex 
322 c23199d9 2002-02-27 alex 	assert( Client != NULL );
323 c23199d9 2002-02-27 alex 	assert( Req != NULL );
324 c23199d9 2002-02-27 alex 
325 c23199d9 2002-02-27 alex 	if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
326 c23199d9 2002-02-27 alex 
327 c23199d9 2002-02-27 alex 	/* Falsche Anzahl Parameter? */
328 c23199d9 2002-02-27 alex 	if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
329 c23199d9 2002-02-27 alex 	if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
330 c23199d9 2002-02-27 alex 
331 c23199d9 2002-02-27 alex 	/* forwarden? */
332 c23199d9 2002-02-27 alex 	if( Req->argc == 2 )
333 c23199d9 2002-02-27 alex 	{
334 bc4ed226 2002-03-25 alex 		target = Client_Search( Req->argv[1] );
335 c23199d9 2002-02-27 alex 		if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
336 c23199d9 2002-02-27 alex 		if( target != Client_ThisServer( ))
337 c23199d9 2002-02-27 alex 		{
338 c23199d9 2002-02-27 alex 			/* ok, forwarden */
339 bc4ed226 2002-03-25 alex 			if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
340 c23199d9 2002-02-27 alex 			else from = Client;
341 c23199d9 2002-02-27 alex 			if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
342 c23199d9 2002-02-27 alex 			return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
343 c23199d9 2002-02-27 alex 		}
344 c23199d9 2002-02-27 alex 	}
345 c23199d9 2002-02-27 alex 
346 c23199d9 2002-02-27 alex 	/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
347 bcc51385 2002-03-26 alex 	 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
348 c23199d9 2002-02-27 alex 
349 c23199d9 2002-02-27 alex 	if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
350 c23199d9 2002-02-27 alex 	else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
351 c23199d9 2002-02-27 alex 
352 c23199d9 2002-02-27 alex 	return CONNECTED;
353 c23199d9 2002-02-27 alex } /* IRC_PONG */
354 c23199d9 2002-02-27 alex 
355 c23199d9 2002-02-27 alex 
356 c23199d9 2002-02-27 alex LOCAL BOOLEAN Hello_User( CLIENT *Client )
357 c23199d9 2002-02-27 alex {
358 c23199d9 2002-02-27 alex 	assert( Client != NULL );
359 c23199d9 2002-02-27 alex 
360 c23199d9 2002-02-27 alex 	/* Passwort ueberpruefen */
361 c23199d9 2002-02-27 alex 	if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
362 c23199d9 2002-02-27 alex 	{
363 c23199d9 2002-02-27 alex 		/* Falsches Passwort */
364 c23199d9 2002-02-27 alex 		Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
365 c23199d9 2002-02-27 alex 		Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
366 c23199d9 2002-02-27 alex 		return DISCONNECTED;
367 c23199d9 2002-02-27 alex 	}
368 c23199d9 2002-02-27 alex 
369 c23199d9 2002-02-27 alex 	Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
370 c23199d9 2002-02-27 alex 
371 c23199d9 2002-02-27 alex 	/* Andere Server informieren */
372 c23199d9 2002-02-27 alex 	IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
373 c23199d9 2002-02-27 alex 
374 c23199d9 2002-02-27 alex 	if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
375 c23199d9 2002-02-27 alex 	if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
376 c23199d9 2002-02-27 alex 	if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
377 c23199d9 2002-02-27 alex 	if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
378 c23199d9 2002-02-27 alex 
379 c23199d9 2002-02-27 alex 	Client_SetType( Client, CLIENT_USER );
380 c23199d9 2002-02-27 alex 
381 c23199d9 2002-02-27 alex 	if( ! IRC_Send_LUSERS( Client )) return DISCONNECTED;
382 c23199d9 2002-02-27 alex 	if( ! IRC_Show_MOTD( Client )) return DISCONNECTED;
383 c23199d9 2002-02-27 alex 
384 c23199d9 2002-02-27 alex 	return CONNECTED;
385 c23199d9 2002-02-27 alex } /* Hello_User */
386 c23199d9 2002-02-27 alex 
387 c23199d9 2002-02-27 alex 
388 c23199d9 2002-02-27 alex LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
389 c23199d9 2002-02-27 alex {
390 c23199d9 2002-02-27 alex 	CLIENT *c;
391 c23199d9 2002-02-27 alex 
392 c23199d9 2002-02-27 alex 	assert( Nick != NULL );
393 c23199d9 2002-02-27 alex 	assert( Reason != NULL );
394 c23199d9 2002-02-27 alex 
395 c23199d9 2002-02-27 alex 	Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
396 c23199d9 2002-02-27 alex 
397 c23199d9 2002-02-27 alex 	/* andere Server benachrichtigen */
398 c23199d9 2002-02-27 alex 	IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
399 c23199d9 2002-02-27 alex 
400 c23199d9 2002-02-27 alex 	/* Ggf. einen eigenen Client toeten */
401 bc4ed226 2002-03-25 alex 	c = Client_Search( Nick );
402 c23199d9 2002-02-27 alex 	if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
403 c23199d9 2002-02-27 alex } /* Kill_Nick */
404 c23199d9 2002-02-27 alex 
405 c23199d9 2002-02-27 alex 
406 c23199d9 2002-02-27 alex /* -eof- */