1 2ee05c9a 2002-03-03 alex /*
  2 2ee05c9a 2002-03-03 alex  * ngIRCd -- The Next Generation IRC Daemon
  3 53b98fd7 2007-11-20 alex  * Copyright (c)2001-2007 Alexander Barton (alex@barton.de)
  4 2ee05c9a 2002-03-03 alex  *
  5 490f28ff 2002-12-12 alex  * This program is free software; you can redistribute it and/or modify
  6 490f28ff 2002-12-12 alex  * it under the terms of the GNU General Public License as published by
  7 490f28ff 2002-12-12 alex  * the Free Software Foundation; either version 2 of the License, or
  8 490f28ff 2002-12-12 alex  * (at your option) any later version.
  9 490f28ff 2002-12-12 alex  * Please read the file COPYING, README and AUTHORS for more information.
 10 2ee05c9a 2002-03-03 alex  *
 11 490f28ff 2002-12-12 alex  * IRC commands for server links
 12 2ee05c9a 2002-03-03 alex  */
 13 2ee05c9a 2002-03-03 alex 
 14 2ee05c9a 2002-03-03 alex 
 15 ca33cbda 2002-03-12 alex #include "portab.h"
 16 490f28ff 2002-12-12 alex 
 17 ca33cbda 2002-03-12 alex #include "imp.h"
 18 2ee05c9a 2002-03-03 alex #include <assert.h>
 19 2ee05c9a 2002-03-03 alex #include <stdio.h>
 20 2ee05c9a 2002-03-03 alex #include <stdlib.h>
 21 2ee05c9a 2002-03-03 alex #include <string.h>
 22 57c7e236 2004-01-17 alex #include <strings.h>
 23 2ee05c9a 2002-03-03 alex 
 24 3012c232 2004-05-11 alex #include "defines.h"
 25 c2f60abe 2002-05-27 alex #include "resolve.h"
 26 c2f60abe 2002-05-27 alex #include "conn.h"
 27 a60465be 2008-09-23 alex #include "conn-func.h"
 28 437f2c33 2003-12-30 alex #include "conn-zip.h"
 29 a2544e49 2003-12-30 alex #include "conf.h"
 30 c2f60abe 2002-05-27 alex #include "client.h"
 31 c2f60abe 2002-05-27 alex #include "channel.h"
 32 2ee05c9a 2002-03-03 alex #include "irc-write.h"
 33 dd598200 2004-04-25 alex #include "lists.h"
 34 2ee05c9a 2002-03-03 alex #include "log.h"
 35 2ee05c9a 2002-03-03 alex #include "messages.h"
 36 c2f60abe 2002-05-27 alex #include "parse.h"
 37 47ca178a 2007-11-21 alex #include "numeric.h"
 38 d58431a0 2002-09-02 alex #include "ngircd.h"
 39 47ca178a 2007-11-21 alex #include "irc-info.h"
 40 2ee05c9a 2002-03-03 alex 
 41 ca33cbda 2002-03-12 alex #include "exp.h"
 42 2ee05c9a 2002-03-03 alex #include "irc-server.h"
 43 fa7bb279 2006-12-07 fw 
 44 fa7bb279 2006-12-07 fw 
 45 27d947fb 2006-10-01 alex /**
 46 27d947fb 2006-10-01 alex  * Handler for the IRC command "SERVER".
 47 27d947fb 2006-10-01 alex  * See RFC 2813 section 4.1.2.
 48 27d947fb 2006-10-01 alex  */
 49 8adff592 2005-03-19 fw GLOBAL bool
 50 c2f60abe 2002-05-27 alex IRC_SERVER( CLIENT *Client, REQUEST *Req )
 51 2ee05c9a 2002-03-03 alex {
 52 47ca178a 2007-11-21 alex 	char str[LINE_LEN], *ptr;
 53 47ca178a 2007-11-21 alex 	CLIENT *from, *c;
 54 8adff592 2005-03-19 fw 	bool ok;
 55 47ca178a 2007-11-21 alex 	int i;
 56 65f3adca 2002-11-26 alex 	CONN_ID con;
 57 2ee05c9a 2002-03-03 alex 	
 58 2ee05c9a 2002-03-03 alex 	assert( Client != NULL );
 59 2ee05c9a 2002-03-03 alex 	assert( Req != NULL );
 60 2ee05c9a 2002-03-03 alex 
 61 27d947fb 2006-10-01 alex 	/* Return an error if this is not a local client */
 62 27d947fb 2006-10-01 alex 	if (Client_Conn(Client) <= NONE)
 63 27d947fb 2006-10-01 alex 		return IRC_WriteStrClient(Client, ERR_UNKNOWNCOMMAND_MSG,
 64 27d947fb 2006-10-01 alex 					  Client_ID(Client), Req->command);
 65 2ee05c9a 2002-03-03 alex 
 66 a60465be 2008-09-23 alex 	if (Client_Type(Client) == CLIENT_GOTPASS ||
 67 a60465be 2008-09-23 alex 	    Client_Type(Client) == CLIENT_GOTPASS_2813) {
 68 27d947fb 2006-10-01 alex 		/* We got a PASS command from the peer, and now a SERVER
 69 27d947fb 2006-10-01 alex 		 * command: the peer tries to register itself as a server. */
 70 37602d15 2006-12-02 fw 		LogDebug("Connection %d: got SERVER command (new server link) ...",
 71 37602d15 2006-12-02 fw 			Client_Conn(Client));
 72 2ee05c9a 2002-03-03 alex 
 73 2ee05c9a 2002-03-03 alex 		/* Falsche Anzahl Parameter? */
 74 2ee05c9a 2002-03-03 alex 		if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 75 2ee05c9a 2002-03-03 alex 
 76 2ee05c9a 2002-03-03 alex 		/* Ist dieser Server bei uns konfiguriert? */
 77 a2544e49 2003-12-30 alex 		for( i = 0; i < MAX_SERVERS; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
 78 a2544e49 2003-12-30 alex 		if( i >= MAX_SERVERS )
 79 2ee05c9a 2002-03-03 alex 		{
 80 2ee05c9a 2002-03-03 alex 			/* Server ist nicht konfiguriert! */
 81 2ee05c9a 2002-03-03 alex 			Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
 82 8adff592 2005-03-19 fw 			Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", true);
 83 2ee05c9a 2002-03-03 alex 			return DISCONNECTED;
 84 2ee05c9a 2002-03-03 alex 		}
 85 b2615bcc 2002-11-19 alex 		if( strcmp( Client_Password( Client ), Conf_Server[i].pwd_in ) != 0 )
 86 2ee05c9a 2002-03-03 alex 		{
 87 2ee05c9a 2002-03-03 alex 			/* Falsches Passwort */
 88 b2615bcc 2002-11-19 alex 			Log( LOG_ERR, "Connection %d: Got bad password from server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
 89 8adff592 2005-03-19 fw 			Conn_Close( Client_Conn( Client ), NULL, "Bad password", true);
 90 2ee05c9a 2002-03-03 alex 			return DISCONNECTED;
 91 2ee05c9a 2002-03-03 alex 		}
 92 2ee05c9a 2002-03-03 alex 		
 93 2ee05c9a 2002-03-03 alex 		/* Ist ein Server mit dieser ID bereits registriert? */
 94 2ee05c9a 2002-03-03 alex 		if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
 95 2ee05c9a 2002-03-03 alex 
 96 2ee05c9a 2002-03-03 alex 		/* Server-Strukturen fuellen ;-) */
 97 2ee05c9a 2002-03-03 alex 		Client_SetID( Client, Req->argv[0] );
 98 2ee05c9a 2002-03-03 alex 		Client_SetHops( Client, 1 );
 99 2ee05c9a 2002-03-03 alex 		Client_SetInfo( Client, Req->argv[Req->argc - 1] );
100 65f3adca 2002-11-26 alex 
101 2310ac2c 2002-04-08 alex 		/* Meldet sich der Server bei uns an (d.h., bauen nicht wir
102 2310ac2c 2002-04-08 alex 		 * selber die Verbindung zu einem anderen Server auf)? */
103 65f3adca 2002-11-26 alex 		con = Client_Conn( Client );
104 2310ac2c 2002-04-08 alex 		if( Client_Token( Client ) != TOKEN_OUTBOUND )
105 2ee05c9a 2002-03-03 alex 		{
106 2310ac2c 2002-04-08 alex 			/* Eingehende Verbindung: Unseren SERVER- und PASS-Befehl senden */
107 8adff592 2005-03-19 fw 			ok = true;
108 8adff592 2005-03-19 fw 			if( ! IRC_WriteStrClient( Client, "PASS %s %s", Conf_Server[i].pwd_out, NGIRCd_ProtoID )) ok = false;
109 2ee05c9a 2002-03-03 alex 			else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
110 2ee05c9a 2002-03-03 alex 			if( ! ok )
111 2ee05c9a 2002-03-03 alex 			{
112 8adff592 2005-03-19 fw 				Conn_Close( con, "Unexpected server behavior!", NULL, false );
113 2ee05c9a 2002-03-03 alex 				return DISCONNECTED;
114 2ee05c9a 2002-03-03 alex 			}
115 2ee05c9a 2002-03-03 alex 			Client_SetIntroducer( Client, Client );
116 2ee05c9a 2002-03-03 alex 			Client_SetToken( Client, 1 );
117 2ee05c9a 2002-03-03 alex 		}
118 2310ac2c 2002-04-08 alex 		else
119 2310ac2c 2002-04-08 alex 		{
120 2310ac2c 2002-04-08 alex 			/* Ausgehende verbindung, SERVER und PASS wurden von uns bereits
121 2310ac2c 2002-04-08 alex 			 * an die Gegenseite uerbermittelt */
122 2310ac2c 2002-04-08 alex 			Client_SetToken( Client, atoi( Req->argv[1] ));
123 2310ac2c 2002-04-08 alex 		}
124 2ee05c9a 2002-03-03 alex 
125 47ca178a 2007-11-21 alex 		/* Mark this connection as belonging to an configured server */
126 47ca178a 2007-11-21 alex 		Conf_SetServer(i, con);
127 a60465be 2008-09-23 alex 
128 a60465be 2008-09-23 alex 		/* Check protocol level */
129 a60465be 2008-09-23 alex 		if (Client_Type(Client) == CLIENT_GOTPASS) {
130 a60465be 2008-09-23 alex 			/* We got a "simple" PASS command, so the peer is
131 a60465be 2008-09-23 alex 			 * using the protocol as defined in RFC 1459. */
132 a60465be 2008-09-23 alex 			if (! (Conn_Options(con) & CONN_RFC1459))
133 a60465be 2008-09-23 alex 				Log(LOG_INFO,
134 a60465be 2008-09-23 alex 				    "Switching connection %d (\"%s\") to RFC 1459 compatibility mode.",
135 a60465be 2008-09-23 alex 				    con, Client_ID(Client));
136 a60465be 2008-09-23 alex 			Conn_SetOption(con, CONN_RFC1459);
137 a60465be 2008-09-23 alex 		}
138 a60465be 2008-09-23 alex 
139 47ca178a 2007-11-21 alex 		Client_SetType(Client, CLIENT_UNKNOWNSERVER);
140 2ee05c9a 2002-03-03 alex 
141 c40592d2 2003-12-26 alex #ifdef ZLIB
142 65f3adca 2002-11-26 alex 		/* Kompression initialisieren, wenn erforderlich */
143 65f3adca 2002-11-26 alex 		if( strchr( Client_Flags( Client ), 'Z' ))
144 65f3adca 2002-11-26 alex 		{
145 437f2c33 2003-12-30 alex 			if( ! Zip_InitConn( con ))
146 65f3adca 2002-11-26 alex 			{
147 65f3adca 2002-11-26 alex 				/* Fehler! */
148 8adff592 2005-03-19 fw 				Conn_Close( con, "Can't inizialize compression (zlib)!", NULL, false );
149 65f3adca 2002-11-26 alex 				return DISCONNECTED;
150 65f3adca 2002-11-26 alex 			}
151 65f3adca 2002-11-26 alex 		}
152 65f3adca 2002-11-26 alex #endif
153 65f3adca 2002-11-26 alex 
154 3dc16212 2002-09-07 alex #ifdef IRCPLUS
155 47ca178a 2007-11-21 alex 		if (strchr(Client_Flags(Client), 'H')) {
156 47ca178a 2007-11-21 alex 			LogDebug("Peer supports IRC+ extended server handshake ...");
157 47ca178a 2007-11-21 alex 			if (!IRC_Send_ISUPPORT(Client))
158 47ca178a 2007-11-21 alex 				return DISCONNECTED;
159 47ca178a 2007-11-21 alex 			return IRC_WriteStrClient(Client, RPL_ENDOFMOTD_MSG,
160 47ca178a 2007-11-21 alex 						  Client_ID(Client));
161 47ca178a 2007-11-21 alex 		} else {
162 dd598200 2004-04-25 alex #endif
163 47ca178a 2007-11-21 alex 			if (Conf_MaxNickLength != CLIENT_NICK_LEN_DEFAULT)
164 47ca178a 2007-11-21 alex 				Log(LOG_CRIT,
165 47ca178a 2007-11-21 alex 				    "Attention: this server uses a non-standard nick length, but the peer doesn't support the IRC+ extended server handshake!");
166 dd598200 2004-04-25 alex #ifdef IRCPLUS
167 6d3686e7 2006-04-30 alex 		}
168 dd598200 2004-04-25 alex #endif
169 2ee05c9a 2002-03-03 alex 
170 47ca178a 2007-11-21 alex 		return IRC_Num_ENDOFMOTD(Client, Req);
171 2ee05c9a 2002-03-03 alex 	}
172 2ee05c9a 2002-03-03 alex 	else if( Client_Type( Client ) == CLIENT_SERVER )
173 2ee05c9a 2002-03-03 alex 	{
174 2ee05c9a 2002-03-03 alex 		/* Neuer Server wird im Netz angekuendigt */
175 2ee05c9a 2002-03-03 alex 
176 2ee05c9a 2002-03-03 alex 		/* Falsche Anzahl Parameter? */
177 2ee05c9a 2002-03-03 alex 		if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
178 2ee05c9a 2002-03-03 alex 
179 2ee05c9a 2002-03-03 alex 		/* Ist ein Server mit dieser ID bereits registriert? */
180 2ee05c9a 2002-03-03 alex 		if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
181 2ee05c9a 2002-03-03 alex 
182 2ee05c9a 2002-03-03 alex 		/* Ueberfluessige Hostnamen aus Info-Text entfernen */
183 2ee05c9a 2002-03-03 alex 		ptr = strchr( Req->argv[3] + 2, '[' );
184 2ee05c9a 2002-03-03 alex 		if( ! ptr ) ptr = Req->argv[3];
185 2ee05c9a 2002-03-03 alex 
186 bc4ed226 2002-03-25 alex 		from = Client_Search( Req->prefix );
187 2ee05c9a 2002-03-03 alex 		if( ! from )
188 2ee05c9a 2002-03-03 alex 		{
189 2ee05c9a 2002-03-03 alex 			/* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
190 2ee05c9a 2002-03-03 alex 			Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
191 8adff592 2005-03-19 fw 			Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", true);
192 2ee05c9a 2002-03-03 alex 			return DISCONNECTED;
193 2ee05c9a 2002-03-03 alex 		}
194 2ee05c9a 2002-03-03 alex 
195 2ee05c9a 2002-03-03 alex 		/* Neue Client-Struktur anlegen */
196 8adff592 2005-03-19 fw 		c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, true);
197 2ee05c9a 2002-03-03 alex 		if( ! c )
198 2ee05c9a 2002-03-03 alex 		{
199 2ee05c9a 2002-03-03 alex 			/* Neue Client-Struktur konnte nicht angelegt werden */
200 2ee05c9a 2002-03-03 alex 			Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
201 8adff592 2005-03-19 fw 			Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", true);
202 2ee05c9a 2002-03-03 alex 			return DISCONNECTED;
203 2ee05c9a 2002-03-03 alex 		}
204 2ee05c9a 2002-03-03 alex 
205 2ee05c9a 2002-03-03 alex 		/* Log-Meldung zusammenbauen und ausgeben */
206 b316c380 2002-12-26 alex 		if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) snprintf( str, sizeof( str ), "connected to %s, ", Client_ID( from ));
207 2ee05c9a 2002-03-03 alex 		else strcpy( str, "" );
208 6b58ab84 2002-03-27 alex 		Log( LOG_NOTICE|LOG_snotice, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
209 2ee05c9a 2002-03-03 alex 
210 2ee05c9a 2002-03-03 alex 		/* Andere Server informieren */
211 2ee05c9a 2002-03-03 alex 		IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
212 2ee05c9a 2002-03-03 alex 
213 2ee05c9a 2002-03-03 alex 		return CONNECTED;
214 47ca178a 2007-11-21 alex 	} else
215 47ca178a 2007-11-21 alex 		return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
216 47ca178a 2007-11-21 alex 					  Client_ID(Client), Req->command);
217 2ee05c9a 2002-03-03 alex } /* IRC_SERVER */
218 2ee05c9a 2002-03-03 alex 
219 2ee05c9a 2002-03-03 alex 
220 8adff592 2005-03-19 fw GLOBAL bool
221 c2f60abe 2002-05-27 alex IRC_NJOIN( CLIENT *Client, REQUEST *Req )
222 2ee05c9a 2002-03-03 alex {
223 8adff592 2005-03-19 fw 	char nick_in[COMMAND_LEN], nick_out[COMMAND_LEN], *channame, *ptr, modes[8];
224 8adff592 2005-03-19 fw 	bool is_op, is_voiced;
225 2ee05c9a 2002-03-03 alex 	CHANNEL *chan;
226 2ee05c9a 2002-03-03 alex 	CLIENT *c;
227 2ee05c9a 2002-03-03 alex 	
228 2ee05c9a 2002-03-03 alex 	assert( Client != NULL );
229 2ee05c9a 2002-03-03 alex 	assert( Req != NULL );
230 2ee05c9a 2002-03-03 alex 
231 2ee05c9a 2002-03-03 alex 	/* Falsche Anzahl Parameter? */
232 2ee05c9a 2002-03-03 alex 	if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
233 2ee05c9a 2002-03-03 alex 
234 feafb6cb 2003-04-20 alex 	strlcpy( nick_in, Req->argv[1], sizeof( nick_in ));
235 feafb6cb 2003-04-20 alex 	strcpy( nick_out, "" );
236 e07fab17 2002-07-25 alex 
237 2ee05c9a 2002-03-03 alex 	channame = Req->argv[0];
238 feafb6cb 2003-04-20 alex 	ptr = strtok( nick_in, "," );
239 2ee05c9a 2002-03-03 alex 	while( ptr )
240 2ee05c9a 2002-03-03 alex 	{
241 8adff592 2005-03-19 fw 		is_op = is_voiced = false;
242 2ee05c9a 2002-03-03 alex 		
243 2ee05c9a 2002-03-03 alex 		/* Prefixe abschneiden */
244 2ee05c9a 2002-03-03 alex 		while(( *ptr == '@' ) || ( *ptr == '+' ))
245 2ee05c9a 2002-03-03 alex 		{
246 8adff592 2005-03-19 fw 			if( *ptr == '@' ) is_op = true;
247 8adff592 2005-03-19 fw 			if( *ptr == '+' ) is_voiced = true;
248 2ee05c9a 2002-03-03 alex 			ptr++;
249 2ee05c9a 2002-03-03 alex 		}
250 2ee05c9a 2002-03-03 alex 
251 bc4ed226 2002-03-25 alex 		c = Client_Search( ptr );
252 2ee05c9a 2002-03-03 alex 		if( c )
253 2ee05c9a 2002-03-03 alex 		{
254 2ee05c9a 2002-03-03 alex 			Channel_Join( c, channame );
255 2ee05c9a 2002-03-03 alex 			chan = Channel_Search( channame );
256 2ee05c9a 2002-03-03 alex 			assert( chan != NULL );
257 2ee05c9a 2002-03-03 alex 			
258 2ee05c9a 2002-03-03 alex 			if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
259 2ee05c9a 2002-03-03 alex 			if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
260 2ee05c9a 2002-03-03 alex 
261 2ee05c9a 2002-03-03 alex 			/* im Channel bekannt machen */
262 8adff592 2005-03-19 fw 			IRC_WriteStrChannelPrefix( Client, chan, c, false, "JOIN :%s", channame );
263 2ee05c9a 2002-03-03 alex 
264 2ee05c9a 2002-03-03 alex 			/* Channel-User-Modes setzen */
265 695631b2 2002-12-26 alex 			strlcpy( modes, Channel_UserModes( chan, c ), sizeof( modes ));
266 2ee05c9a 2002-03-03 alex 			if( modes[0] )
267 2ee05c9a 2002-03-03 alex 			{
268 2ee05c9a 2002-03-03 alex 				/* Modes im Channel bekannt machen */
269 8adff592 2005-03-19 fw 				IRC_WriteStrChannelPrefix( Client, chan, Client, false, "MODE %s +%s %s", channame, modes, Client_ID( c ));
270 2ee05c9a 2002-03-03 alex 			}
271 feafb6cb 2003-04-20 alex 
272 feafb6cb 2003-04-20 alex 			if( nick_out[0] != '\0' ) strlcat( nick_out, ",", sizeof( nick_out ));
273 6647da58 2003-07-09 alex 			if( is_op ) strlcat( nick_out, "@", sizeof( nick_out ));
274 6647da58 2003-07-09 alex 			if( is_voiced ) strlcat( nick_out, "+", sizeof( nick_out ));
275 feafb6cb 2003-04-20 alex 			strlcat( nick_out, ptr, sizeof( nick_out ));
276 2ee05c9a 2002-03-03 alex 		}
277 7d30c8ce 2002-08-26 alex 		else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
278 2ee05c9a 2002-03-03 alex 		
279 2ee05c9a 2002-03-03 alex 		/* naechsten Nick suchen */
280 2ee05c9a 2002-03-03 alex 		ptr = strtok( NULL, "," );
281 2ee05c9a 2002-03-03 alex 	}
282 2ee05c9a 2002-03-03 alex 
283 2ee05c9a 2002-03-03 alex 	/* an andere Server weiterleiten */
284 feafb6cb 2003-04-20 alex 	if( nick_out[0] != '\0' ) IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], nick_out );
285 2ee05c9a 2002-03-03 alex 
286 2ee05c9a 2002-03-03 alex 	return CONNECTED;
287 2ee05c9a 2002-03-03 alex } /* IRC_NJOIN */
288 2ee05c9a 2002-03-03 alex 
289 2ee05c9a 2002-03-03 alex 
290 8adff592 2005-03-19 fw GLOBAL bool
291 c2f60abe 2002-05-27 alex IRC_SQUIT( CLIENT *Client, REQUEST *Req )
292 2ee05c9a 2002-03-03 alex {
293 2ee05c9a 2002-03-03 alex 	CLIENT *target;
294 8adff592 2005-03-19 fw 	char msg[LINE_LEN + 64];
295 2ee05c9a 2002-03-03 alex 
296 2ee05c9a 2002-03-03 alex 	assert( Client != NULL );
297 2ee05c9a 2002-03-03 alex 	assert( Req != NULL );
298 2ee05c9a 2002-03-03 alex 
299 2ee05c9a 2002-03-03 alex 	/* Falsche Anzahl Parameter? */
300 2ee05c9a 2002-03-03 alex 	if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
301 2ee05c9a 2002-03-03 alex 
302 2ee05c9a 2002-03-03 alex 	Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] );
303 2ee05c9a 2002-03-03 alex 
304 bc4ed226 2002-03-25 alex 	target = Client_Search( Req->argv[0] );
305 2ee05c9a 2002-03-03 alex 	if( ! target )
306 2ee05c9a 2002-03-03 alex 	{
307 9fc7e66f 2002-03-11 alex 		/* Den Server kennen wir nicht (mehr), also nichts zu tun. */
308 f7a0ff1f 2002-03-11 alex 		Log( LOG_WARNING, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] );
309 2ee05c9a 2002-03-03 alex 		return CONNECTED;
310 2ee05c9a 2002-03-03 alex 	}
311 2ee05c9a 2002-03-03 alex 
312 2ee05c9a 2002-03-03 alex 	if( Req->argv[1][0] )
313 2ee05c9a 2002-03-03 alex 	{
314 2ee05c9a 2002-03-03 alex 		if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
315 b316c380 2002-12-26 alex 		snprintf( msg, sizeof( msg ), "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
316 2ee05c9a 2002-03-03 alex 	}
317 b316c380 2002-12-26 alex 	else snprintf( msg, sizeof( msg ), "Got SQUIT from %s.", Client_ID( Client ));
318 2ee05c9a 2002-03-03 alex 
319 2ee05c9a 2002-03-03 alex 	if( Client_Conn( target ) > NONE )
320 2ee05c9a 2002-03-03 alex 	{
321 2ee05c9a 2002-03-03 alex 		/* dieser Server hat die Connection */
322 8adff592 2005-03-19 fw 		if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], true);
323 8adff592 2005-03-19 fw 		else Conn_Close( Client_Conn( target ), msg, NULL, true);
324 2ee05c9a 2002-03-03 alex 		return DISCONNECTED;
325 2ee05c9a 2002-03-03 alex 	}
326 2ee05c9a 2002-03-03 alex 	else
327 2ee05c9a 2002-03-03 alex 	{
328 2ee05c9a 2002-03-03 alex 		/* Verbindung hielt anderer Server */
329 8adff592 2005-03-19 fw 		Client_Destroy( target, msg, Req->argv[1], false );
330 2ee05c9a 2002-03-03 alex 		return CONNECTED;
331 2ee05c9a 2002-03-03 alex 	}
332 2ee05c9a 2002-03-03 alex } /* IRC_SQUIT */
333 2ee05c9a 2002-03-03 alex 
334 2ee05c9a 2002-03-03 alex 
335 2ee05c9a 2002-03-03 alex /* -eof- */