2 9dc44d9b 2002-05-27 alex * ngIRCd -- The Next Generation IRC Daemon
3 9dc44d9b 2002-05-27 alex * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
5 9dc44d9b 2002-05-27 alex * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
6 9dc44d9b 2002-05-27 alex * der GNU General Public License (GPL), wie von der Free Software Foundation
7 9dc44d9b 2002-05-27 alex * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
8 9dc44d9b 2002-05-27 alex * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
9 9dc44d9b 2002-05-27 alex * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
10 9dc44d9b 2002-05-27 alex * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
12 74ff9828 2002-10-03 alex * $Id: lists.c,v 1.9 2002/10/03 21:49:59 alex Exp $
14 9dc44d9b 2002-05-27 alex * lists.c: Verwaltung der "IRC-Listen": Ban, Invite, ...
18 9dc44d9b 2002-05-27 alex #include "portab.h"
20 9dc44d9b 2002-05-27 alex #include "imp.h"
21 9dc44d9b 2002-05-27 alex #include <assert.h>
23 31a8dd2f 2002-06-09 alex #include "defines.h"
24 9dc44d9b 2002-05-27 alex #include "conn.h"
25 9dc44d9b 2002-05-27 alex #include "client.h"
26 9dc44d9b 2002-05-27 alex #include "channel.h"
27 31a8dd2f 2002-06-09 alex #include "log.h"
28 592565ae 2002-09-08 alex #include "match.h"
29 592565ae 2002-09-08 alex #include "messages.h"
30 592565ae 2002-09-08 alex #include "irc-write.h"
32 31a8dd2f 2002-06-09 alex #include <stdlib.h>
33 31a8dd2f 2002-06-09 alex #include <string.h>
35 9dc44d9b 2002-05-27 alex #include "exp.h"
36 9dc44d9b 2002-05-27 alex #include "lists.h"
39 592565ae 2002-09-08 alex #define MASK_LEN 2*CLIENT_HOST_LEN
42 9dc44d9b 2002-05-27 alex typedef struct _C2C
44 9dc44d9b 2002-05-27 alex struct _C2C *next;
45 31a8dd2f 2002-06-09 alex CHAR mask[MASK_LEN];
46 9dc44d9b 2002-05-27 alex CHANNEL *channel;
47 31a8dd2f 2002-06-09 alex BOOLEAN onlyonce;
51 9dc44d9b 2002-05-27 alex LOCAL C2C *My_Invites, *My_Bans;
54 31a8dd2f 2002-06-09 alex LOCAL C2C *New_C2C PARAMS(( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce ));
56 592565ae 2002-09-08 alex LOCAL BOOLEAN Check_List PARAMS(( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan ));
57 05fc4a4c 2002-09-08 alex LOCAL BOOLEAN Already_Registered PARAMS(( C2C *Cl2Chan, CHAR *Mask, CHANNEL *Chan ));
62 9dc44d9b 2002-05-27 alex Lists_Init( VOID )
64 9dc44d9b 2002-05-27 alex /* Modul initialisieren */
66 9dc44d9b 2002-05-27 alex My_Invites = My_Bans = NULL;
67 9dc44d9b 2002-05-27 alex } /* Lists_Init */
71 9dc44d9b 2002-05-27 alex Lists_Exit( VOID )
73 9dc44d9b 2002-05-27 alex /* Modul abmelden */
75 31a8dd2f 2002-06-09 alex C2C *c2c, *next;
77 31a8dd2f 2002-06-09 alex /* Invite-Lists freigeben */
78 31a8dd2f 2002-06-09 alex c2c = My_Invites;
79 31a8dd2f 2002-06-09 alex while( c2c )
81 31a8dd2f 2002-06-09 alex next = c2c->next;
82 31a8dd2f 2002-06-09 alex free( c2c );
86 31a8dd2f 2002-06-09 alex /* Ban-Lists freigeben */
87 31a8dd2f 2002-06-09 alex c2c = My_Bans;
88 31a8dd2f 2002-06-09 alex while( c2c )
90 31a8dd2f 2002-06-09 alex next = c2c->next;
91 31a8dd2f 2002-06-09 alex free( c2c );
94 9dc44d9b 2002-05-27 alex } /* Lists_Exit */
97 9dc44d9b 2002-05-27 alex GLOBAL BOOLEAN
98 9dc44d9b 2002-05-27 alex Lists_CheckInvited( CLIENT *Client, CHANNEL *Chan )
100 592565ae 2002-09-08 alex return Check_List( &My_Invites, Client, Chan );
101 592565ae 2002-09-08 alex } /* Lists_CheckInvited */
104 592565ae 2002-09-08 alex GLOBAL BOOLEAN
105 05fc4a4c 2002-09-08 alex Lists_AddInvited( CLIENT *From, CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce )
109 592565ae 2002-09-08 alex assert( Mask != NULL );
110 9dc44d9b 2002-05-27 alex assert( Chan != NULL );
112 05fc4a4c 2002-09-08 alex if( Already_Registered( My_Invites, Mask, Chan ))
114 05fc4a4c 2002-09-08 alex /* Eintrag ist bereits vorhanden */
115 05fc4a4c 2002-09-08 alex IRC_WriteStrClient( From, RPL_INVITELIST_MSG, Client_ID( From ), Channel_Name( Chan ), Mask );
116 05fc4a4c 2002-09-08 alex return FALSE;
119 592565ae 2002-09-08 alex c2c = New_C2C( Mask, Chan, OnlyOnce );
120 592565ae 2002-09-08 alex if( ! c2c )
122 592565ae 2002-09-08 alex Log( LOG_ERR, "Can't add new invite list entry!" );
123 592565ae 2002-09-08 alex return FALSE;
126 592565ae 2002-09-08 alex /* verketten */
127 592565ae 2002-09-08 alex c2c->next = My_Invites;
128 592565ae 2002-09-08 alex My_Invites = c2c;
130 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Added \"%s\" to invite list for \"%s\".", Mask, Channel_Name( Chan ));
131 592565ae 2002-09-08 alex return TRUE;
132 592565ae 2002-09-08 alex } /* Lists_AddInvited */
135 592565ae 2002-09-08 alex GLOBAL VOID
136 592565ae 2002-09-08 alex Lists_DelInvited( CHAR *Mask, CHANNEL *Chan )
138 592565ae 2002-09-08 alex C2C *c2c, *last, *next;
140 592565ae 2002-09-08 alex assert( Mask != NULL );
141 592565ae 2002-09-08 alex assert( Chan != NULL );
143 31a8dd2f 2002-06-09 alex last = NULL;
144 31a8dd2f 2002-06-09 alex c2c = My_Invites;
145 31a8dd2f 2002-06-09 alex while( c2c )
147 592565ae 2002-09-08 alex next = c2c->next;
148 592565ae 2002-09-08 alex if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 ))
150 592565ae 2002-09-08 alex /* dieser Eintrag muss geloescht werden */
151 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
152 592565ae 2002-09-08 alex if( last ) last->next = next;
153 592565ae 2002-09-08 alex else My_Invites = next;
154 592565ae 2002-09-08 alex free( c2c );
156 592565ae 2002-09-08 alex else last = c2c;
157 592565ae 2002-09-08 alex c2c = next;
159 592565ae 2002-09-08 alex } /* Lists_DelInvited */
162 592565ae 2002-09-08 alex GLOBAL BOOLEAN
163 592565ae 2002-09-08 alex Lists_ShowInvites( CLIENT *Client, CHANNEL *Channel )
167 592565ae 2002-09-08 alex assert( Client != NULL );
168 592565ae 2002-09-08 alex assert( Channel != NULL );
170 592565ae 2002-09-08 alex c2c = My_Invites;
171 592565ae 2002-09-08 alex while( c2c )
173 592565ae 2002-09-08 alex if( c2c->channel == Channel )
175 592565ae 2002-09-08 alex /* Eintrag fuer Channel gefunden; ausgeben: */
176 592565ae 2002-09-08 alex if( ! IRC_WriteStrClient( Client, RPL_INVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED;
178 31a8dd2f 2002-06-09 alex c2c = c2c->next;
180 592565ae 2002-09-08 alex return IRC_WriteStrClient( Client, RPL_ENDOFINVITELIST_MSG, Client_ID( Client ), Channel_Name( Channel ));
181 592565ae 2002-09-08 alex } /* Lists_ShowInvites */
184 81a26d98 2002-07-15 alex GLOBAL BOOLEAN
185 592565ae 2002-09-08 alex Lists_CheckBanned( CLIENT *Client, CHANNEL *Chan )
187 592565ae 2002-09-08 alex return Check_List( &My_Bans, Client, Chan );
188 592565ae 2002-09-08 alex } /* Lists_CheckBanned */
191 592565ae 2002-09-08 alex GLOBAL BOOLEAN
192 05fc4a4c 2002-09-08 alex Lists_AddBanned( CLIENT *From, CHAR *Mask, CHANNEL *Chan )
196 592565ae 2002-09-08 alex assert( Mask != NULL );
197 31a8dd2f 2002-06-09 alex assert( Chan != NULL );
199 05fc4a4c 2002-09-08 alex if( Already_Registered( My_Bans, Mask, Chan ))
201 05fc4a4c 2002-09-08 alex /* Eintrag ist bereits vorhanden */
202 05fc4a4c 2002-09-08 alex IRC_WriteStrClient( From, RPL_BANLIST_MSG, Client_ID( From ), Channel_Name( Chan ), Mask );
203 05fc4a4c 2002-09-08 alex return FALSE;
206 592565ae 2002-09-08 alex c2c = New_C2C( Mask, Chan, FALSE );
207 31a8dd2f 2002-06-09 alex if( ! c2c )
209 592565ae 2002-09-08 alex Log( LOG_ERR, "Can't add new ban list entry!" );
210 81a26d98 2002-07-15 alex return FALSE;
213 31a8dd2f 2002-06-09 alex /* verketten */
214 592565ae 2002-09-08 alex c2c->next = My_Bans;
215 592565ae 2002-09-08 alex My_Bans = c2c;
217 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Added \"%s\" to ban list for \"%s\".", Mask, Channel_Name( Chan ));
218 81a26d98 2002-07-15 alex return TRUE;
219 592565ae 2002-09-08 alex } /* Lists_AddBanned */
222 592565ae 2002-09-08 alex GLOBAL VOID
223 592565ae 2002-09-08 alex Lists_DelBanned( CHAR *Mask, CHANNEL *Chan )
225 592565ae 2002-09-08 alex C2C *c2c, *last, *next;
227 592565ae 2002-09-08 alex assert( Mask != NULL );
228 9dc44d9b 2002-05-27 alex assert( Chan != NULL );
230 592565ae 2002-09-08 alex last = NULL;
231 592565ae 2002-09-08 alex c2c = My_Bans;
232 592565ae 2002-09-08 alex while( c2c )
234 592565ae 2002-09-08 alex next = c2c->next;
235 592565ae 2002-09-08 alex if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 ))
237 592565ae 2002-09-08 alex /* dieser Eintrag muss geloescht werden */
238 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
239 592565ae 2002-09-08 alex if( last ) last->next = next;
240 592565ae 2002-09-08 alex else My_Bans = next;
241 592565ae 2002-09-08 alex free( c2c );
243 592565ae 2002-09-08 alex else last = c2c;
244 592565ae 2002-09-08 alex c2c = next;
246 592565ae 2002-09-08 alex } /* Lists_DelBanned */
249 592565ae 2002-09-08 alex GLOBAL BOOLEAN
250 592565ae 2002-09-08 alex Lists_ShowBans( CLIENT *Client, CHANNEL *Channel )
254 592565ae 2002-09-08 alex assert( Client != NULL );
255 592565ae 2002-09-08 alex assert( Channel != NULL );
257 592565ae 2002-09-08 alex c2c = My_Bans;
258 592565ae 2002-09-08 alex while( c2c )
260 592565ae 2002-09-08 alex if( c2c->channel == Channel )
262 592565ae 2002-09-08 alex /* Eintrag fuer Channel gefunden; ausgeben: */
263 592565ae 2002-09-08 alex if( ! IRC_WriteStrClient( Client, RPL_BANLIST_MSG, Client_ID( Client ), Channel_Name( Channel ), c2c->mask )) return DISCONNECTED;
265 592565ae 2002-09-08 alex c2c = c2c->next;
267 592565ae 2002-09-08 alex return IRC_WriteStrClient( Client, RPL_ENDOFBANLIST_MSG, Client_ID( Client ), Channel_Name( Channel ));
268 592565ae 2002-09-08 alex } /* Lists_ShowBans */
271 31a8dd2f 2002-06-09 alex GLOBAL VOID
272 31a8dd2f 2002-06-09 alex Lists_DeleteChannel( CHANNEL *Chan )
274 31a8dd2f 2002-06-09 alex /* Channel wurde geloescht, Invite- und Ban-Lists aufraeumen */
276 31a8dd2f 2002-06-09 alex C2C *c2c, *last, *next;
278 31a8dd2f 2002-06-09 alex /* Invite-List */
279 31a8dd2f 2002-06-09 alex last = NULL;
280 31a8dd2f 2002-06-09 alex c2c = My_Invites;
281 31a8dd2f 2002-06-09 alex while( c2c )
283 31a8dd2f 2002-06-09 alex next = c2c->next;
284 31a8dd2f 2002-06-09 alex if( c2c->channel == Chan )
286 31a8dd2f 2002-06-09 alex /* dieser Eintrag muss geloescht werden */
287 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Deleted \"%s\" from invite list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
288 31a8dd2f 2002-06-09 alex if( last ) last->next = next;
289 31a8dd2f 2002-06-09 alex else My_Invites = next;
290 31a8dd2f 2002-06-09 alex free( c2c );
292 31a8dd2f 2002-06-09 alex else last = c2c;
293 31a8dd2f 2002-06-09 alex c2c = next;
296 31a8dd2f 2002-06-09 alex /* Ban-List */
297 31a8dd2f 2002-06-09 alex last = NULL;
298 31a8dd2f 2002-06-09 alex c2c = My_Bans;
299 31a8dd2f 2002-06-09 alex while( c2c )
301 31a8dd2f 2002-06-09 alex next = c2c->next;
302 31a8dd2f 2002-06-09 alex if( c2c->channel == Chan )
304 31a8dd2f 2002-06-09 alex /* dieser Eintrag muss geloescht werden */
305 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Deleted \"%s\" from ban list for \"%s\"." , c2c->mask, Channel_Name( Chan ));
306 31a8dd2f 2002-06-09 alex if( last ) last->next = next;
307 31a8dd2f 2002-06-09 alex else My_Bans = next;
308 31a8dd2f 2002-06-09 alex free( c2c );
310 31a8dd2f 2002-06-09 alex else last = c2c;
311 31a8dd2f 2002-06-09 alex c2c = next;
313 31a8dd2f 2002-06-09 alex } /* Lists_DeleteChannel */
316 592565ae 2002-09-08 alex GLOBAL CHAR *
317 592565ae 2002-09-08 alex Lists_MakeMask( CHAR *Pattern )
319 592565ae 2002-09-08 alex /* Hier wird aus einem "beliebigen" Pattern eine gueltige IRC-Mask erzeugt.
320 74ff9828 2002-10-03 alex * Diese ist aber nur bis zum naechsten Aufruf von Lists_MakeMask() gueltig,
321 74ff9828 2002-10-03 alex * da ein einziger globaler Puffer verwendet wird. ->Umkopieren!*/
323 592565ae 2002-09-08 alex STATIC CHAR TheMask[MASK_LEN];
324 592565ae 2002-09-08 alex CHAR *excl, *at;
326 74ff9828 2002-10-03 alex assert( Pattern != NULL );
328 592565ae 2002-09-08 alex excl = strchr( Pattern, '!' );
329 592565ae 2002-09-08 alex at = strchr( Pattern, '@' );
331 592565ae 2002-09-08 alex if(( at ) && ( at < excl )) excl = NULL;
333 592565ae 2002-09-08 alex if(( ! at ) && ( ! excl ))
335 592565ae 2002-09-08 alex /* weder ! noch @Êvorhanden: als Nick annehmen */
336 592565ae 2002-09-08 alex strncpy( TheMask, Pattern, MASK_LEN - 5 );
337 592565ae 2002-09-08 alex TheMask[MASK_LEN - 5] = '\0';
338 592565ae 2002-09-08 alex strcat( TheMask, "!*@*" );
339 592565ae 2002-09-08 alex return TheMask;
342 592565ae 2002-09-08 alex if(( ! at ) && ( excl ))
344 592565ae 2002-09-08 alex /* Domain fehlt */
345 592565ae 2002-09-08 alex strncpy( TheMask, Pattern, MASK_LEN - 3 );
346 592565ae 2002-09-08 alex TheMask[MASK_LEN - 3] = '\0';
347 592565ae 2002-09-08 alex strcat( TheMask, "@*" );
348 592565ae 2002-09-08 alex return TheMask;
351 592565ae 2002-09-08 alex if(( at ) && ( ! excl ))
353 592565ae 2002-09-08 alex /* User fehlt */
354 592565ae 2002-09-08 alex *at = '\0'; at++;
355 592565ae 2002-09-08 alex strncpy( TheMask, Pattern, MASK_LEN - 4 );
356 592565ae 2002-09-08 alex TheMask[MASK_LEN - 4] = '\0';
357 592565ae 2002-09-08 alex strcat( TheMask, "!*@" );
358 592565ae 2002-09-08 alex strncat( TheMask, at, strlen( TheMask ) - MASK_LEN - 1 );
359 592565ae 2002-09-08 alex TheMask[MASK_LEN - 1] = '\0';
360 592565ae 2002-09-08 alex return TheMask;
363 592565ae 2002-09-08 alex /* alle Teile vorhanden */
364 592565ae 2002-09-08 alex strncpy( TheMask, Pattern, MASK_LEN - 1 );
365 592565ae 2002-09-08 alex TheMask[MASK_LEN - 1] = '\0';
366 592565ae 2002-09-08 alex return TheMask;
367 592565ae 2002-09-08 alex } /* Lists_MakeMask */
370 9dc44d9b 2002-05-27 alex LOCAL C2C *
371 31a8dd2f 2002-06-09 alex New_C2C( CHAR *Mask, CHANNEL *Chan, BOOLEAN OnlyOnce )
375 31a8dd2f 2002-06-09 alex assert( Mask != NULL );
376 9dc44d9b 2002-05-27 alex assert( Chan != NULL );
378 31a8dd2f 2002-06-09 alex /* Speicher fuer Eintrag anfordern */
379 31a8dd2f 2002-06-09 alex c2c = malloc( sizeof( C2C ));
380 31a8dd2f 2002-06-09 alex if( ! c2c )
382 31a8dd2f 2002-06-09 alex Log( LOG_EMERG, "Can't allocate memory! [New_C2C]" );
383 31a8dd2f 2002-06-09 alex return NULL;
386 31a8dd2f 2002-06-09 alex strncpy( c2c->mask, Mask, MASK_LEN );
387 31a8dd2f 2002-06-09 alex c2c->channel = Chan;
388 31a8dd2f 2002-06-09 alex c2c->onlyonce = OnlyOnce;
390 31a8dd2f 2002-06-09 alex return c2c;
391 9dc44d9b 2002-05-27 alex } /* New_C2C */
394 592565ae 2002-09-08 alex LOCAL BOOLEAN
395 592565ae 2002-09-08 alex Check_List( C2C **Cl2Chan, CLIENT *Client, CHANNEL *Chan )
397 592565ae 2002-09-08 alex C2C *c2c, *last;
399 592565ae 2002-09-08 alex assert( Cl2Chan != NULL );
400 592565ae 2002-09-08 alex assert( Client != NULL );
401 592565ae 2002-09-08 alex assert( Chan != NULL );
403 592565ae 2002-09-08 alex c2c = *Cl2Chan;
404 592565ae 2002-09-08 alex last = NULL;
406 592565ae 2002-09-08 alex while( c2c )
408 592565ae 2002-09-08 alex if( c2c->channel == Chan )
410 592565ae 2002-09-08 alex /* Ok, richtiger Channel. Passt die Maske? */
411 592565ae 2002-09-08 alex if( Match( c2c->mask, Client_Mask( Client )))
413 592565ae 2002-09-08 alex /* Treffer! */
414 592565ae 2002-09-08 alex if( c2c->onlyonce )
416 592565ae 2002-09-08 alex /* Eintrag loeschen */
417 592565ae 2002-09-08 alex Log( LOG_DEBUG, "Deleted \"%s\" from %s list for \"%s\".", c2c->mask, *Cl2Chan == My_Invites ? "invite" : "ban", Channel_Name( Chan ));
418 592565ae 2002-09-08 alex if( last ) last->next = c2c->next;
419 592565ae 2002-09-08 alex else *Cl2Chan = c2c->next;
420 592565ae 2002-09-08 alex free( c2c );
422 592565ae 2002-09-08 alex return TRUE;
425 592565ae 2002-09-08 alex last = c2c;
426 592565ae 2002-09-08 alex c2c = c2c->next;
429 592565ae 2002-09-08 alex return FALSE;
430 592565ae 2002-09-08 alex } /* Check_List */
433 05fc4a4c 2002-09-08 alex LOCAL BOOLEAN
434 05fc4a4c 2002-09-08 alex Already_Registered( C2C *List, CHAR *Mask, CHANNEL *Chan )
438 05fc4a4c 2002-09-08 alex c2c = List;
439 05fc4a4c 2002-09-08 alex while( c2c )
441 05fc4a4c 2002-09-08 alex if(( c2c->channel == Chan ) && ( strcasecmp( c2c->mask, Mask ) == 0 )) return TRUE;
442 05fc4a4c 2002-09-08 alex c2c = c2c->next;
444 05fc4a4c 2002-09-08 alex return FALSE;
445 05fc4a4c 2002-09-08 alex } /* Already_Registered */
448 9dc44d9b 2002-05-27 alex /* -eof- */