2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
5 * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
6 * der GNU General Public License (GPL), wie von der Free Software Foundation
7 * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
8 * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
9 * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
10 * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
12 * $Id: irc-channel.c,v 1.5 2002/05/21 00:10:16 alex Exp $
14 * irc-channel.c: IRC-Channel-Befehle
26 #include "irc-write.h"
31 #include "irc-channel.h"
34 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
36 CHAR *channame, *flags, *topic, modes[8];
41 assert( Client != NULL );
42 assert( Req != NULL );
44 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
46 /* Falsche Anzahl Parameter? */
47 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
49 /* Wer ist der Absender? */
50 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
52 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
54 /* Channel-Namen durchgehen */
55 channame = strtok( Req->argv[0], "," );
58 /* wird der Channel neu angelegt? */
61 if( Channel_Search( channame )) is_new_chan = FALSE;
62 else is_new_chan = TRUE;
64 /* Hat ein Server Channel-User-Modes uebergeben? */
65 if( Client_Type( Client ) == CLIENT_SERVER )
67 /* Channel-Flags extrahieren */
68 flags = strchr( channame, 0x7 );
69 if( flags ) *flags++ = '\0';
72 /* neuer Channel udn lokaler Client? */
73 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
75 /* Dann soll der Client Channel-Operator werden! */
79 /* Channel joinen (und ggf. anlegen) */
80 if( ! Channel_Join( target, channame ))
82 /* naechsten Namen ermitteln */
83 channame = strtok( NULL, "," );
86 chan = Channel_Search( channame );
87 assert( chan != NULL );
89 /* Modes setzen (wenn vorhanden) */
90 while( flags && *flags )
92 Channel_UserModeAdd( chan, target, *flags );
96 /* Wenn persistenter Channel und IRC-Operator: zum Channel-OP machen */
97 if(( strchr( Channel_Modes( chan ), 'P' )) && ( strchr( Client_Modes( target ), 'o' ))) Channel_UserModeAdd( chan, target, 'o' );
99 /* Muessen Modes an andere Server gemeldet werden? */
100 strcpy( &modes[1], Channel_UserModes( chan, target ));
101 if( modes[1] ) modes[0] = 0x7;
102 else modes[0] = '\0';
104 /* An andere Server weiterleiten */
105 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
107 /* im Channel bekannt machen */
108 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
111 /* Modes im Channel bekannt machen */
112 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
115 if( Client_Type( Client ) == CLIENT_USER )
117 /* an Client bestaetigen */
118 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
120 /* Topic an Client schicken */
121 topic = Channel_Topic( chan );
122 if( *topic ) IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, topic );
124 /* Mitglieder an Client Melden */
125 IRC_Send_NAMES( Client, chan );
126 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan ));
129 /* naechsten Namen ermitteln */
130 channame = strtok( NULL, "," );
136 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
141 assert( Client != NULL );
142 assert( Req != NULL );
144 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
146 /* Falsche Anzahl Parameter? */
147 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
149 /* Wer ist der Absender? */
150 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
151 else target = Client;
152 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
154 /* Channel-Namen durchgehen */
155 chan = strtok( Req->argv[0], "," );
158 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
160 /* naechsten Namen ermitteln */
161 chan = strtok( NULL, "," );
165 /* naechsten Namen ermitteln */
166 chan = strtok( NULL, "," );
172 GLOBAL BOOLEAN IRC_TOPIC( CLIENT *Client, REQUEST *Req )
178 assert( Client != NULL );
179 assert( Req != NULL );
181 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
183 /* Falsche Anzahl Parameter? */
184 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
186 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
188 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
190 /* Welcher Channel? */
191 chan = Channel_Search( Req->argv[0] );
192 if( ! chan ) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
194 /* Ist der User Mitglied in dem Channel? */
195 if( ! Channel_IsMemberOf( chan, from )) return IRC_WriteStrClient( from, ERR_NOTONCHANNEL_MSG, Client_ID( from ), Req->argv[0] );
200 topic = Channel_Topic( chan );
201 if( *topic ) return IRC_WriteStrClient( from, RPL_TOPIC_MSG, Client_ID( from ), Channel_Name( chan ), topic );
202 else return IRC_WriteStrClient( from, RPL_NOTOPIC_MSG, Client_ID( from ), Channel_Name( chan ));
205 if( strchr( Channel_Modes( chan ), 't' ))
207 /* Topic Lock. Ist der User ein Channel Operator? */
208 if( ! strchr( Channel_UserModes( chan, from ), 'o' )) return IRC_WriteStrClient( from, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( from ), Channel_Name( chan ));
212 Channel_SetTopic( chan, Req->argv[1] );
213 Log( LOG_DEBUG, "User \"%s\" set topic on \"%s\": %s", Client_Mask( from ), Channel_Name( chan ), Req->argv[1][0] ? Req->argv[1] : "<none>" );
215 /* im Channel bekannt machen und an Server weiterleiten */
216 IRC_WriteStrServersPrefix( Client, from, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
217 IRC_WriteStrChannelPrefix( Client, chan, from, FALSE, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
219 if( Client_Type( Client ) == CLIENT_USER ) return IRC_WriteStrClientPrefix( Client, Client, "TOPIC %s :%s", Req->argv[0], Req->argv[1] );
220 else return CONNECTED;
224 GLOBAL BOOLEAN IRC_LIST( CLIENT *Client, REQUEST *Req )
229 assert( Client != NULL );
230 assert( Req != NULL );
232 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
234 /* Falsche Anzahl Parameter? */
235 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
237 if( Req->argc > 0 ) pattern = strtok( Req->argv[0], "," );
242 /* alle Channel durchgehen */
243 chan = Channel_First( );
246 /* Passt die Suchmaske auf diesen Channel? Bisher werden hier
247 * "regular expressions" aber noch nicht unterstuetzt ... */
248 if(( strcasecmp( pattern, Channel_Name( chan )) == 0 ) || ( strcmp( pattern, "*" ) == 0 ))
251 if( ! IRC_WriteStrClient( Client, RPL_LIST_MSG, Client_ID( Client), Channel_Name( chan ), Channel_MemberCount( chan ), Channel_Topic( chan ))) return DISCONNECTED;
253 chan = Channel_Next( chan );
256 /* naechsten Namen ermitteln */
257 if( Req->argc > 0 ) pattern = strtok( NULL, "," );
261 return IRC_WriteStrClient( Client, RPL_LISTEND_MSG, Client_ID( Client ));