2 * ircd-ratbox: A slightly useful ircd.
3 * m_join.c: Joins a channel.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 * $Id: m_join.c 3494 2007-05-27 13:07:27Z jilles $
38 #include "s_newconf.h"
45 static int m_join(struct Client
*, struct Client
*, int, const char **);
46 static int ms_join(struct Client
*, struct Client
*, int, const char **);
47 static int ms_sjoin(struct Client
*, struct Client
*, int, const char **);
49 static int h_can_create_channel
;
50 static int h_channel_join
;
52 struct Message join_msgtab
= {
53 "JOIN", 0, 0, 0, MFLG_SLOW
,
54 {mg_unreg
, {m_join
, 2}, {ms_join
, 2}, mg_ignore
, mg_ignore
, {m_join
, 2}}
57 struct Message sjoin_msgtab
= {
58 "SJOIN", 0, 0, 0, MFLG_SLOW
,
59 {mg_unreg
, mg_ignore
, mg_ignore
, {ms_sjoin
, 4}, mg_ignore
, mg_ignore
}
62 mapi_clist_av1 join_clist
[] = { &join_msgtab
, &sjoin_msgtab
, NULL
};
64 mapi_hlist_av1 join_hlist
[] = {
65 { "can_create_channel", &h_can_create_channel
},
66 { "channel_join", &h_channel_join
},
70 DECLARE_MODULE_AV1(join
, NULL
, NULL
, join_clist
, join_hlist
, NULL
, "$Revision: 3494 $");
72 static void do_join_0(struct Client
*client_p
, struct Client
*source_p
);
73 static int check_channel_name_loc(struct Client
*source_p
, const char *name
);
75 static void set_final_mode(struct Mode
*mode
, struct Mode
*oldmode
);
76 static void remove_our_modes(struct Channel
*chptr
, struct Client
*source_p
);
78 static void remove_ban_list(struct Channel
*chptr
, struct Client
*source_p
,
79 rb_dlink_list
* list
, char c
, int mems
);
81 static char modebuf
[MODEBUFLEN
];
82 static char parabuf
[MODEBUFLEN
];
83 static const char *para
[MAXMODEPARAMS
];
87 /* Check what we will forward to, without sending any notices to the user
90 static struct Channel
*
91 check_forward(struct Client
*source_p
, struct Channel
*chptr
,
97 if (IsNoForward(source_p
))
102 chptr
= find_channel(chptr
->mode
.forward
);
103 /* Can only forward to existing channels */
106 /* Already on there, show original error message */
107 if (IsMember(source_p
, chptr
))
109 /* Juped. Sending a warning notice would be unfair */
110 if (hash_find_resv(chptr
->chname
))
112 /* Don't forward to +Q channel */
113 if (chptr
->mode
.mode
& MODE_DISFORWARD
)
115 i
= can_join(source_p
, chptr
, key
);
118 if (i
!= ERR_INVITEONLYCHAN
&& i
!= ERR_NEEDREGGEDNICK
&& i
!= ERR_THROTTLE
&& i
!= ERR_CHANNELISFULL
)
129 * parv[2] = channel password (key)
132 m_join(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
134 static char jbuf
[BUFSIZE
];
135 struct Channel
*chptr
= NULL
;
136 struct ConfItem
*aconf
;
141 char *p
= NULL
, *p2
= NULL
;
147 /* rebuild the list of channels theyre supposed to be joining.
148 * this code has a side effect of losing keys, but..
150 chanlist
= LOCAL_COPY(parv
[1]);
151 for(name
= rb_strtok_r(chanlist
, ",", &p
); name
; name
= rb_strtok_r(NULL
, ",", &p
))
153 /* check the length and name of channel is ok */
154 if(!check_channel_name_loc(source_p
, name
) || (strlen(name
) > LOC_CHANNELLEN
))
156 sendto_one_numeric(source_p
, ERR_BADCHANNAME
,
157 form_str(ERR_BADCHANNAME
), (unsigned char *) name
);
161 /* join 0 parts all channels */
162 if(*name
== '0' && (name
[1] == ',' || name
[1] == '\0') && name
== chanlist
)
164 (void) strcpy(jbuf
, "0");
168 /* check it begins with # or &, and local chans are disabled */
169 else if(!IsChannelName(name
))
171 sendto_one_numeric(source_p
, ERR_NOSUCHCHANNEL
,
172 form_str(ERR_NOSUCHCHANNEL
), name
);
176 /* see if its resv'd */
177 if(!IsExemptResv(source_p
) && (aconf
= hash_find_resv(name
)))
179 sendto_one_numeric(source_p
, ERR_BADCHANNAME
,
180 form_str(ERR_BADCHANNAME
), name
);
182 /* dont warn for opers */
183 if(!IsExemptJupe(source_p
) && !IsOper(source_p
))
184 sendto_realops_snomask(SNO_SPY
, L_NETWIDE
,
185 "User %s (%s@%s) is attempting to join locally juped channel %s (%s)",
186 source_p
->name
, source_p
->username
,
187 source_p
->orighost
, name
, aconf
->passwd
);
188 /* dont update tracking for jupe exempt users, these
189 * are likely to be spamtrap leaves
191 else if(IsExemptJupe(source_p
))
197 if(splitmode
&& !IsOper(source_p
) && (*name
!= '&') &&
198 ConfigChannel
.no_join_on_split
)
200 sendto_one(source_p
, form_str(ERR_UNAVAILRESOURCE
),
201 me
.name
, source_p
->name
, name
);
206 (void) strcat(jbuf
, ",");
207 (void) rb_strlcat(jbuf
, name
, sizeof(jbuf
));
212 mykey
= LOCAL_COPY(parv
[2]);
213 key
= rb_strtok_r(mykey
, ",", &p2
);
216 for(name
= rb_strtok_r(jbuf
, ",", &p
); name
;
217 key
= (key
) ? rb_strtok_r(NULL
, ",", &p2
) : NULL
, name
= rb_strtok_r(NULL
, ",", &p
))
219 hook_data_channel_activity hook_info
;
221 /* JOIN 0 simply parts all channels the user is in */
222 if(*name
== '0' && !atoi(name
))
224 if(source_p
->user
->channel
.head
== NULL
)
227 do_join_0(&me
, source_p
);
231 /* look for the channel */
232 if((chptr
= find_channel(name
)) != NULL
)
234 if(IsMember(source_p
, chptr
))
241 hook_data_client_approval moduledata
;
243 moduledata
.client
= source_p
;
244 moduledata
.approved
= 0;
246 call_hook(h_can_create_channel
, &moduledata
);
248 if(moduledata
.approved
!= 0)
250 sendto_one(source_p
, form_str(moduledata
.approved
),
251 me
.name
, source_p
->name
, name
);
255 if(splitmode
&& !IsOper(source_p
) && (*name
!= '&') &&
256 ConfigChannel
.no_create_on_split
)
258 sendto_one(source_p
, form_str(ERR_UNAVAILRESOURCE
),
259 me
.name
, source_p
->name
, name
);
266 if((rb_dlink_list_length(&source_p
->user
->channel
) >=
267 (unsigned long) ConfigChannel
.max_chans_per_user
) &&
268 (!IsOper(source_p
) ||
269 (rb_dlink_list_length(&source_p
->user
->channel
) >=
270 (unsigned long) ConfigChannel
.max_chans_per_user
* 3)))
272 sendto_one(source_p
, form_str(ERR_TOOMANYCHANNELS
),
273 me
.name
, source_p
->name
, name
);
277 if(chptr
== NULL
) /* If I already have a chptr, no point doing this */
279 chptr
= get_or_create_channel(source_p
, name
, NULL
);
283 sendto_one(source_p
, form_str(ERR_UNAVAILRESOURCE
),
284 me
.name
, source_p
->name
, name
);
289 /* can_join checks for +i key, bans etc */
290 if((i
= can_join(source_p
, chptr
, key
)))
292 if ((i
!= ERR_NEEDREGGEDNICK
&& i
!= ERR_THROTTLE
&& i
!= ERR_INVITEONLYCHAN
&& i
!= ERR_CHANNELISFULL
) ||
293 (!ConfigChannel
.use_forward
|| (chptr
= check_forward(source_p
, chptr
, key
)) == NULL
))
295 /* might be wrong, but is there any other better location for such?
296 * see extensions/chm_operonly.c for other comments on this
300 sendto_one(source_p
, form_str(i
), me
.name
, source_p
->name
, name
);
305 sendto_one_numeric(source_p
, ERR_LINKCHANNEL
, form_str(ERR_LINKCHANNEL
), name
, chptr
->chname
);
309 !IsOper(source_p
) && !IsExemptSpambot(source_p
))
310 check_spambot_warning(source_p
, name
);
312 /* add the user to the channel */
313 add_user_to_channel(chptr
, source_p
, flags
);
314 if (chptr
->mode
.join_num
&&
315 rb_current_time() - chptr
->join_delta
>= chptr
->mode
.join_time
)
317 chptr
->join_count
= 0;
318 chptr
->join_delta
= rb_current_time();
322 /* we send the user their join here, because we could have to
323 * send a mode out next.
325 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s!%s@%s JOIN :%s",
327 source_p
->username
, source_p
->host
, chptr
->chname
);
329 /* its a new channel, set +nt and burst. */
330 if(flags
& CHFL_CHANOP
)
332 chptr
->channelts
= rb_current_time();
333 chptr
->mode
.mode
|= MODE_TOPICLIMIT
;
334 chptr
->mode
.mode
|= MODE_NOPRIVMSGS
;
335 modes
= channel_modes(chptr
, &me
);
337 sendto_channel_local(ONLY_CHANOPS
, chptr
, ":%s MODE %s %s",
338 me
.name
, chptr
->chname
, modes
);
340 sendto_server(client_p
, chptr
, CAP_TS6
, NOCAPS
,
341 ":%s SJOIN %ld %s %s :@%s",
342 me
.id
, (long) chptr
->channelts
,
343 chptr
->chname
, modes
, source_p
->id
);
347 sendto_server(client_p
, chptr
, CAP_TS6
, NOCAPS
,
349 use_id(source_p
), (long) chptr
->channelts
,
353 del_invite(chptr
, source_p
);
355 if(chptr
->topic
!= NULL
)
357 sendto_one(source_p
, form_str(RPL_TOPIC
), me
.name
,
358 source_p
->name
, chptr
->chname
, chptr
->topic
);
360 sendto_one(source_p
, form_str(RPL_TOPICWHOTIME
),
361 me
.name
, source_p
->name
, chptr
->chname
,
362 chptr
->topic_info
, chptr
->topic_time
);
365 channel_member_names(chptr
, source_p
, 1);
367 hook_info
.client
= source_p
;
368 hook_info
.chptr
= chptr
;
370 call_hook(h_channel_join
, &hook_info
);
378 * parv[1] = channel TS
380 * parv[3] = "+", formerly channel modes but now unused
381 * alternatively, a single "0" parameter parts all channels
384 ms_join(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
386 struct Channel
*chptr
;
387 static struct Mode mode
;
391 int keep_our_modes
= YES
;
392 int keep_new_modes
= YES
;
393 rb_dlink_node
*ptr
, *next_ptr
;
395 /* special case for join 0 */
396 if((parv
[1][0] == '0') && (parv
[1][1] == '\0') && parc
== 2)
398 do_join_0(client_p
, source_p
);
405 if(!IsChannelName(parv
[2]) || !check_channel_name(parv
[2]))
408 /* joins for local channels cant happen. */
409 if(parv
[2][0] == '&')
413 mode
.key
[0] = mode
.forward
[0] = '\0';
414 mode
.mode
= mode
.limit
= mode
.join_num
= mode
.join_time
= 0;
416 if((chptr
= get_or_create_channel(source_p
, parv
[2], &isnew
)) == NULL
)
419 newts
= atol(parv
[1]);
420 oldts
= chptr
->channelts
;
422 #ifdef IGNORE_BOGUS_TS
423 if(newts
< 800000000)
425 sendto_realops_snomask(SNO_DEBUG
, L_ALL
,
426 "*** Bogus TS %ld on %s ignored from %s",
427 (long) newts
, chptr
->chname
, client_p
->name
);
428 newts
= (oldts
== 0) ? oldts
: 800000000;
431 /* making a channel TS0 */
432 if(!isnew
&& !newts
&& oldts
)
434 sendto_channel_local(ALL_MEMBERS
, chptr
,
435 ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to 0",
436 me
.name
, chptr
->chname
, chptr
->chname
, (long) oldts
);
437 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
438 "Server %s changing TS on %s from %ld to 0",
439 source_p
->name
, chptr
->chname
, (long) oldts
);
444 chptr
->channelts
= newts
;
445 else if(newts
== 0 || oldts
== 0)
446 chptr
->channelts
= 0;
447 else if(newts
== oldts
)
449 else if(newts
< oldts
)
452 chptr
->channelts
= newts
;
457 /* Lost the TS, other side wins, so remove modes on this side */
460 set_final_mode(&mode
, &chptr
->mode
);
462 remove_our_modes(chptr
, source_p
);
463 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, chptr
->invites
.head
)
465 del_invite(chptr
, ptr
->data
);
467 /* If setting -j, clear join throttle state -- jilles */
468 chptr
->join_count
= chptr
->join_delta
= 0;
469 sendto_channel_local(ALL_MEMBERS
, chptr
,
470 ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld",
471 me
.name
, chptr
->chname
, chptr
->chname
,
472 (long) oldts
, (long) newts
);
473 /* Update capitalization in channel name, this makes the
474 * capitalization timestamped like modes are -- jilles */
475 strcpy(chptr
->chname
, parv
[2]);
477 sendto_channel_local(ALL_MEMBERS
, chptr
,
479 source_p
->servptr
->name
,
480 chptr
->chname
, modebuf
, parabuf
);
481 *modebuf
= *parabuf
= '\0';
483 /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */
484 set_channel_mlock(client_p
, source_p
, chptr
, NULL
, FALSE
);
487 if(!IsMember(source_p
, chptr
))
489 add_user_to_channel(chptr
, source_p
, CHFL_PEON
);
490 if (chptr
->mode
.join_num
&&
491 rb_current_time() - chptr
->join_delta
>= chptr
->mode
.join_time
)
493 chptr
->join_count
= 0;
494 chptr
->join_delta
= rb_current_time();
497 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s!%s@%s JOIN :%s",
498 source_p
->name
, source_p
->username
,
499 source_p
->host
, chptr
->chname
);
502 sendto_server(client_p
, chptr
, CAP_TS6
, NOCAPS
,
504 source_p
->id
, (long) chptr
->channelts
, chptr
->chname
);
509 ms_sjoin(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
511 static char buf_uid
[BUFSIZE
];
512 static const char empty_modes
[] = "0";
513 struct Channel
*chptr
;
514 struct Client
*target_p
, *fakesource_p
;
517 static struct Mode mode
, *oldmode
;
520 int keep_our_modes
= 1;
521 int keep_new_modes
= 1;
532 int i
, joinc
= 0, timeslice
= 0;
533 static char empty
[] = "";
534 rb_dlink_node
*ptr
, *next_ptr
;
536 if(!IsChannelName(parv
[2]) || !check_channel_name(parv
[2]))
539 /* SJOIN's for local channels can't happen. */
543 modebuf
[0] = parabuf
[0] = mode
.key
[0] = mode
.forward
[0] = '\0';
544 pargs
= mode
.mode
= mode
.limit
= mode
.join_num
= mode
.join_time
= 0;
546 /* Hide connecting server on netburst -- jilles */
547 if (ConfigServerHide
.flatten_links
&& !HasSentEob(source_p
))
550 fakesource_p
= source_p
;
553 newts
= atol(parv
[1]);
561 rb_strlcpy(mode
.forward
, parv
[4 + args
], sizeof(mode
.forward
));
567 sscanf(parv
[4 + args
], "%d:%d", &joinc
, ×lice
);
569 mode
.join_num
= joinc
;
570 mode
.join_time
= timeslice
;
575 rb_strlcpy(mode
.key
, parv
[4 + args
], sizeof(mode
.key
));
581 mode
.limit
= atoi(parv
[4 + args
]);
587 if(chmode_flags
[(int) *s
] != 0)
589 mode
.mode
|= chmode_flags
[(int) *s
];
598 /* remove any leading spaces */
605 if((chptr
= get_or_create_channel(source_p
, parv
[2], &isnew
)) == NULL
)
606 return 0; /* channel name too long? */
609 oldts
= chptr
->channelts
;
610 oldmode
= &chptr
->mode
;
612 #ifdef IGNORE_BOGUS_TS
613 if(newts
< 800000000)
615 sendto_realops_snomask(SNO_DEBUG
, L_ALL
,
616 "*** Bogus TS %ld on %s ignored from %s",
617 (long) newts
, chptr
->chname
, client_p
->name
);
619 newts
= (oldts
== 0) ? oldts
: 800000000;
622 if(!isnew
&& !newts
&& oldts
)
624 sendto_channel_local(ALL_MEMBERS
, chptr
,
625 ":%s NOTICE %s :*** Notice -- TS for %s "
626 "changed from %ld to 0",
627 me
.name
, chptr
->chname
, chptr
->chname
, (long) oldts
);
628 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
629 "Server %s changing TS on %s from %ld to 0",
630 source_p
->name
, chptr
->chname
, (long) oldts
);
635 chptr
->channelts
= newts
;
637 else if(newts
== 0 || oldts
== 0)
638 chptr
->channelts
= 0;
639 else if(newts
== oldts
)
641 else if(newts
< oldts
)
643 /* If configured, kick people trying to join +i/+k
644 * channels by recreating them on split servers.
645 * Don't kick if the source has sent EOB (services
646 * deopping everyone by TS-1 SJOIN).
648 if (ConfigChannel
.kick_on_split_riding
&&
649 !HasSentEob(source_p
) &&
650 ((mode
.mode
& MODE_INVITEONLY
) ||
651 (mode
.key
[0] != 0 && irccmp(mode
.key
, oldmode
->key
) != 0)))
653 struct membership
*msptr
;
655 int l
= rb_dlink_list_length(&chptr
->members
);
657 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, chptr
->locmembers
.head
)
660 who
= msptr
->client_p
;
661 sendto_one(who
, ":%s KICK %s %s :Net Rider",
662 me
.name
, chptr
->chname
, who
->name
);
664 sendto_server(NULL
, chptr
, CAP_TS6
, NOCAPS
,
665 ":%s KICK %s %s :Net Rider",
666 me
.id
, chptr
->chname
,
668 remove_user_from_channel(msptr
);
674 /* Channel was emptied, create a new one */
675 if((chptr
= get_or_create_channel(source_p
, parv
[2], &isnew
)) == NULL
)
676 return 0; /* oops! */
678 oldmode
= &chptr
->mode
;
682 chptr
->channelts
= newts
;
689 else if(keep_our_modes
)
691 mode
.mode
|= oldmode
->mode
;
692 if(oldmode
->limit
> mode
.limit
)
693 mode
.limit
= oldmode
->limit
;
694 if(strcmp(mode
.key
, oldmode
->key
) < 0)
695 strcpy(mode
.key
, oldmode
->key
);
696 if(oldmode
->join_num
> mode
.join_num
||
697 (oldmode
->join_num
== mode
.join_num
&&
698 oldmode
->join_time
> mode
.join_time
))
700 mode
.join_num
= oldmode
->join_num
;
701 mode
.join_time
= oldmode
->join_time
;
703 if(irccmp(mode
.forward
, oldmode
->forward
) < 0)
704 strcpy(mode
.forward
, oldmode
->forward
);
708 /* If setting -j, clear join throttle state -- jilles */
710 chptr
->join_count
= chptr
->join_delta
= 0;
713 set_final_mode(&mode
, oldmode
);
716 /* Lost the TS, other side wins, so remove modes on this side */
719 remove_our_modes(chptr
, fakesource_p
);
720 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, chptr
->invites
.head
)
722 del_invite(chptr
, ptr
->data
);
725 if(rb_dlink_list_length(&chptr
->banlist
) > 0)
726 remove_ban_list(chptr
, fakesource_p
, &chptr
->banlist
, 'b', ALL_MEMBERS
);
727 if(rb_dlink_list_length(&chptr
->exceptlist
) > 0)
728 remove_ban_list(chptr
, fakesource_p
, &chptr
->exceptlist
,
730 if(rb_dlink_list_length(&chptr
->invexlist
) > 0)
731 remove_ban_list(chptr
, fakesource_p
, &chptr
->invexlist
,
733 if(rb_dlink_list_length(&chptr
->quietlist
) > 0)
734 remove_ban_list(chptr
, fakesource_p
, &chptr
->quietlist
,
738 sendto_channel_local(ALL_MEMBERS
, chptr
,
739 ":%s NOTICE %s :*** Notice -- TS for %s changed from %ld to %ld",
740 me
.name
, chptr
->chname
, chptr
->chname
,
741 (long) oldts
, (long) newts
);
742 /* Update capitalization in channel name, this makes the
743 * capitalization timestamped like modes are -- jilles */
744 strcpy(chptr
->chname
, parv
[2]);
746 /* since we're dropping our modes, we want to clear the mlock as well. --nenolod */
747 set_channel_mlock(client_p
, source_p
, chptr
, NULL
, FALSE
);
751 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s MODE %s %s %s",
752 fakesource_p
->name
, chptr
->chname
, modebuf
, parabuf
);
754 *modebuf
= *parabuf
= '\0';
756 if(parv
[3][0] != '0' && keep_new_modes
)
757 modes
= channel_modes(chptr
, source_p
);
761 mlen_uid
= rb_sprintf(buf_uid
, ":%s SJOIN %ld %s %s :",
762 use_id(source_p
), (long) chptr
->channelts
, parv
[2], modes
);
763 ptr_uid
= buf_uid
+ mlen_uid
;
766 para
[0] = para
[1] = para
[2] = para
[3] = empty
;
768 len_nick
= len_uid
= 0;
770 /* if theres a space, theres going to be more than one nick, change the
771 * first space to \0, so s is just the first nick, and point p to the
774 if((p
= strchr(s
, ' ')) != NULL
)
785 for (i
= 0; i
< 2; i
++)
799 /* if the client doesnt exist or is fake direction, skip. */
800 if(!(target_p
= find_client(s
)) ||
801 (target_p
->from
!= client_p
) || !IsPerson(target_p
))
804 /* we assume for these we can fit at least one nick/uid in.. */
806 /* check we can fit another status+nick+space into a buffer */
807 if((mlen_uid
+ len_uid
+ IDLEN
+ 3) > (BUFSIZE
- 3))
809 *(ptr_uid
- 1) = '\0';
810 sendto_server(client_p
->from
, NULL
, CAP_TS6
, NOCAPS
, "%s", buf_uid
);
811 ptr_uid
= buf_uid
+ mlen_uid
;
831 /* copy the nick to the two buffers */
832 len
= rb_sprintf(ptr_uid
, "%s ", use_id(target_p
));
839 if(!IsMember(target_p
, chptr
))
841 add_user_to_channel(chptr
, target_p
, fl
);
842 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s!%s@%s JOIN :%s",
844 target_p
->username
, target_p
->host
, parv
[2]);
851 para
[pargs
++] = target_p
->name
;
853 /* a +ov user.. bleh */
856 /* its possible the +o has filled up MAXMODEPARAMS, if so, start
859 if(pargs
>= MAXMODEPARAMS
)
862 sendto_channel_local(ALL_MEMBERS
, chptr
,
863 ":%s MODE %s %s %s %s %s %s",
864 fakesource_p
->name
, chptr
->chname
,
866 para
[0], para
[1], para
[2], para
[3]);
869 para
[0] = para
[1] = para
[2] = para
[3] = NULL
;
874 para
[pargs
++] = target_p
->name
;
877 else if(fl
& CHFL_VOICE
)
880 para
[pargs
++] = target_p
->name
;
883 if(pargs
>= MAXMODEPARAMS
)
886 sendto_channel_local(ALL_MEMBERS
, chptr
,
887 ":%s MODE %s %s %s %s %s %s",
890 modebuf
, para
[0], para
[1], para
[2], para
[3]);
893 para
[0] = para
[1] = para
[2] = para
[3] = NULL
;
898 /* p points to the next nick */
901 /* if there was a trailing space and p was pointing to it, then we
902 * need to exit.. this has the side effect of breaking double spaces
903 * in an sjoin.. but that shouldnt happen anyway
905 if(s
&& (*s
== '\0'))
908 /* if p was NULL due to no spaces, s wont exist due to the above, so
909 * we cant check it for spaces.. if there are no spaces, then when
910 * we next get here, s will be NULL
912 if(s
&& ((p
= strchr(s
, ' ')) != NULL
))
921 sendto_channel_local(ALL_MEMBERS
, chptr
,
922 ":%s MODE %s %s %s %s %s %s",
923 fakesource_p
->name
, chptr
->chname
, modebuf
,
924 para
[0], CheckEmpty(para
[1]),
925 CheckEmpty(para
[2]), CheckEmpty(para
[3]));
928 if(!joins
&& !(chptr
->mode
.mode
& MODE_PERMANENT
) && isnew
)
930 destroy_channel(chptr
);
935 /* Keep the colon if we're sending an SJOIN without nicks -- jilles */
938 *(ptr_uid
- 1) = '\0';
941 sendto_server(client_p
->from
, NULL
, CAP_TS6
, NOCAPS
, "%s", buf_uid
);
949 * inputs - pointer to client doing join 0
951 * side effects - Use has decided to join 0. This is legacy
952 * from the days when channels were numbers not names. *sigh*
955 do_join_0(struct Client
*client_p
, struct Client
*source_p
)
957 struct membership
*msptr
;
958 struct Channel
*chptr
= NULL
;
961 /* Finish the flood grace period... */
962 if(MyClient(source_p
) && !IsFloodDone(source_p
))
963 flood_endgrace(source_p
);
965 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
, ":%s JOIN 0", use_id(source_p
));
967 while((ptr
= source_p
->user
->channel
.head
))
969 if(MyConnect(source_p
) &&
970 !IsOper(source_p
) && !IsExemptSpambot(source_p
))
971 check_spambot_warning(source_p
, NULL
);
974 chptr
= msptr
->chptr
;
975 sendto_channel_local(ALL_MEMBERS
, chptr
, ":%s!%s@%s PART %s",
977 source_p
->username
, source_p
->host
, chptr
->chname
);
978 remove_user_from_channel(msptr
);
983 check_channel_name_loc(struct Client
*source_p
, const char *name
)
987 s_assert(name
!= NULL
);
988 if(EmptyString(name
))
991 if(ConfigFileEntry
.disable_fake_channels
&& !IsOper(source_p
))
993 for(p
= name
; *p
; ++p
)
995 if(!IsChanChar(*p
) || IsFakeChanChar(*p
))
1001 for(p
= name
; *p
; ++p
)
1008 if(ConfigChannel
.only_ascii_channels
)
1010 for(p
= name
; *p
; ++p
)
1011 if(*p
< 33 || *p
> 126)
1019 set_final_mode(struct Mode
*mode
, struct Mode
*oldmode
)
1021 int dir
= MODE_QUERY
;
1022 char *pbuf
= parabuf
;
1026 /* ok, first get a list of modes we need to add */
1027 for (i
= 0; i
< 256; i
++)
1029 if((mode
->mode
& chmode_flags
[i
]) && !(oldmode
->mode
& chmode_flags
[i
]))
1040 /* now the ones we need to remove. */
1041 for (i
= 0; i
< 256; i
++)
1043 if((oldmode
->mode
& chmode_flags
[i
]) && !(mode
->mode
& chmode_flags
[i
]))
1054 if(oldmode
->limit
&& !mode
->limit
)
1063 if(oldmode
->key
[0] && !mode
->key
[0])
1071 len
= rb_sprintf(pbuf
, "%s ", oldmode
->key
);
1074 if(oldmode
->join_num
&& !mode
->join_num
)
1083 if(oldmode
->forward
[0] && !mode
->forward
[0])
1092 if(mode
->limit
&& oldmode
->limit
!= mode
->limit
)
1100 len
= rb_sprintf(pbuf
, "%d ", mode
->limit
);
1103 if(mode
->key
[0] && strcmp(oldmode
->key
, mode
->key
))
1111 len
= rb_sprintf(pbuf
, "%s ", mode
->key
);
1114 if(mode
->join_num
&& (oldmode
->join_num
!= mode
->join_num
|| oldmode
->join_time
!= mode
->join_time
))
1122 len
= rb_sprintf(pbuf
, "%d:%d ", mode
->join_num
, mode
->join_time
);
1125 if(mode
->forward
[0] && strcmp(oldmode
->forward
, mode
->forward
) && ConfigChannel
.use_forward
)
1133 len
= rb_sprintf(pbuf
, "%s ", mode
->forward
);
1147 remove_our_modes(struct Channel
*chptr
, struct Client
*source_p
)
1149 struct membership
*msptr
;
1151 char lmodebuf
[MODEBUFLEN
];
1152 char *lpara
[MAXMODEPARAMS
];
1159 for(i
= 0; i
< MAXMODEPARAMS
; i
++)
1162 RB_DLINK_FOREACH(ptr
, chptr
->members
.head
)
1166 if(is_chanop(msptr
))
1168 msptr
->flags
&= ~CHFL_CHANOP
;
1169 lpara
[count
++] = msptr
->client_p
->name
;
1172 /* +ov, might not fit so check. */
1173 if(is_voiced(msptr
))
1175 if(count
>= MAXMODEPARAMS
)
1178 sendto_channel_local(ALL_MEMBERS
, chptr
,
1179 ":%s MODE %s %s %s %s %s %s",
1180 source_p
->name
, chptr
->chname
,
1181 lmodebuf
, lpara
[0], lpara
[1],
1182 lpara
[2], lpara
[3]);
1184 /* preserve the initial '-' */
1189 for(i
= 0; i
< MAXMODEPARAMS
; i
++)
1193 msptr
->flags
&= ~CHFL_VOICE
;
1194 lpara
[count
++] = msptr
->client_p
->name
;
1198 else if(is_voiced(msptr
))
1200 msptr
->flags
&= ~CHFL_VOICE
;
1201 lpara
[count
++] = msptr
->client_p
->name
;
1207 if(count
>= MAXMODEPARAMS
)
1210 sendto_channel_local(ALL_MEMBERS
, chptr
,
1211 ":%s MODE %s %s %s %s %s %s",
1212 source_p
->name
, chptr
->chname
, lmodebuf
,
1213 lpara
[0], lpara
[1], lpara
[2], lpara
[3]);
1218 for(i
= 0; i
< MAXMODEPARAMS
; i
++)
1226 sendto_channel_local(ALL_MEMBERS
, chptr
,
1227 ":%s MODE %s %s %s %s %s %s",
1228 source_p
->name
, chptr
->chname
, lmodebuf
,
1229 EmptyString(lpara
[0]) ? "" : lpara
[0],
1230 EmptyString(lpara
[1]) ? "" : lpara
[1],
1231 EmptyString(lpara
[2]) ? "" : lpara
[2],
1232 EmptyString(lpara
[3]) ? "" : lpara
[3]);
1237 /* remove_ban_list()
1239 * inputs - channel, source, list to remove, char of mode, caps needed
1241 * side effects - given list is removed, with modes issued to local clients
1244 remove_ban_list(struct Channel
*chptr
, struct Client
*source_p
,
1245 rb_dlink_list
* list
, char c
, int mems
)
1247 static char lmodebuf
[BUFSIZE
];
1248 static char lparabuf
[BUFSIZE
];
1251 rb_dlink_node
*next_ptr
;
1254 int cur_len
, mlen
, plen
;
1258 cur_len
= mlen
= rb_sprintf(lmodebuf
, ":%s MODE %s -", source_p
->name
, chptr
->chname
);
1259 mbuf
= lmodebuf
+ mlen
;
1261 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
1265 /* trailing space, and the mode letter itself */
1266 plen
= strlen(banptr
->banstr
) + 2;
1268 if(count
>= MAXMODEPARAMS
|| (cur_len
+ plen
) > BUFSIZE
- 4)
1270 /* remove trailing space */
1274 sendto_channel_local(mems
, chptr
, "%s %s", lmodebuf
, lparabuf
);
1277 mbuf
= lmodebuf
+ mlen
;
1284 pbuf
+= rb_sprintf(pbuf
, "%s ", banptr
->banstr
);
1292 sendto_channel_local(mems
, chptr
, "%s %s", lmodebuf
, lparabuf
);
1294 list
->head
= list
->tail
= NULL
;