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root/svn/ircd-hybrid/branches/8.2.x/modules/core/m_sjoin.c
Revision: 4883
Committed: Tue Nov 18 16:22:18 2014 UTC (9 years, 4 months ago) by michael
Content type: text/x-csrc
File size: 19896 byte(s)
Log Message:
- Style corrections; fixed comments

File Contents

# User Rev Content
1 adx 30 /*
2 michael 2820 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 adx 30 *
4 michael 2820 * Copyright (c) 1997-2014 ircd-hybrid development team
5 adx 30 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18 michael 4564 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19 adx 30 * USA
20     */
21    
22 michael 2820 /*! \file m_sjoin.c
23     * \brief Includes required functions for processing the SJOIN command.
24     * \version $Id$
25     */
26    
27 adx 30 #include "stdinc.h"
28 michael 1011 #include "list.h"
29 adx 30 #include "channel.h"
30     #include "channel_mode.h"
31     #include "client.h"
32     #include "hash.h"
33     #include "irc_string.h"
34     #include "ircd.h"
35     #include "numeric.h"
36     #include "send.h"
37     #include "parse.h"
38     #include "modules.h"
39 michael 3347 #include "server.h"
40 michael 1309 #include "conf.h"
41 michael 3347 #include "misc.h"
42 adx 30
43    
44     static char modebuf[MODEBUFLEN];
45     static char parabuf[MODEBUFLEN];
46     static char sendbuf[MODEBUFLEN];
47     static const char *para[MAXMODEPARAMS];
48     static char *mbuf;
49     static int pargs;
50    
51     static void set_final_mode(struct Mode *, struct Mode *);
52     static void remove_our_modes(struct Channel *, struct Client *);
53     static void remove_a_mode(struct Channel *, struct Client *, int, char);
54 michael 3041 static void remove_ban_list(struct Channel *, struct Client *, dlink_list *, char);
55 adx 30
56 michael 885
57 adx 30 /* ms_sjoin()
58     *
59 michael 3120 * parv[0] - command
60 adx 30 * parv[1] - TS
61     * parv[2] - channel
62     * parv[3] - modes + n arguments (key and/or limit)
63     * parv[4+n] - flags+nick list (all in one parameter)
64     *
65     * process a SJOIN, taking the TS's into account to either ignore the
66     * incoming modes or undo the existing ones or merge them, and JOIN
67     * all the specified users while sending JOIN/MODEs to local clients
68     */
69 michael 2820 static int
70 michael 3156 ms_sjoin(struct Client *source_p, int parc, char *parv[])
71 adx 30 {
72 michael 632 struct Channel *chptr = NULL;
73     struct Client *target_p = NULL;
74 adx 30 time_t newts;
75     time_t oldts;
76     time_t tstosend;
77 michael 632 struct Mode mode, *oldmode;
78 adx 30 int args = 0;
79 michael 1243 char keep_our_modes = 1;
80     char keep_new_modes = 1;
81     char have_many_nicks = 0;
82 adx 30 int lcount;
83     char uid_prefix[4];
84 michael 3135 char *up = NULL;
85 adx 30 int len_uid = 0;
86 michael 632 int isnew = 0;
87 adx 30 int buflen = 0;
88 michael 2820 int slen;
89 adx 30 unsigned int fl;
90     char *s;
91 michael 2820 char *sptr;
92 michael 3135 char uid_buf[IRCD_BUFSIZE]; /* buffer for modes/prefixes */
93     char *uid_ptr;
94 adx 30 char *p; /* pointer used making sjbuf */
95     const char *servername = (ConfigServerHide.hide_servers || IsHidden(source_p)) ?
96 michael 2820 me.name : source_p->name;
97 adx 30
98 michael 3626 if (!IsServer(source_p))
99 michael 2820 return 0;
100 adx 30
101 michael 632 if (!check_channel_name(parv[2], 0))
102     {
103 michael 1618 sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
104 michael 3162 "*** Too long or invalid channel name from %s(via %s): %s",
105     source_p->name, source_p->from->name, parv[2]);
106 michael 2820 return 0;
107 michael 632 }
108 adx 30
109     modebuf[0] = '\0';
110     mbuf = modebuf;
111     pargs = 0;
112     newts = atol(parv[1]);
113    
114     mode.mode = 0;
115     mode.limit = 0;
116     mode.key[0] = '\0';
117    
118 michael 3751 for (const char *modes = parv[3]; *modes; ++modes)
119 adx 30 {
120 michael 3751 switch (*modes)
121 adx 30 {
122     case 'k':
123     strlcpy(mode.key, parv[4 + args], sizeof(mode.key));
124 michael 3751 ++args;
125 michael 632
126     if (parc < 5 + args)
127 michael 2820 return 0;
128 adx 30 break;
129 michael 3752
130 adx 30 case 'l':
131     mode.limit = atoi(parv[4 + args]);
132 michael 3751 ++args;
133 michael 632
134     if (parc < 5 + args)
135 michael 2820 return 0;
136 adx 30 break;
137 michael 3752
138     default:
139     mode.mode |= ModeTable[(unsigned char)*modes].d;
140     break;
141 adx 30 }
142     }
143    
144 michael 632 if ((chptr = hash_find_channel(parv[2])) == NULL)
145     {
146     isnew = 1;
147     chptr = make_channel(parv[2]);
148     }
149    
150 adx 30 parabuf[0] = '\0';
151 michael 4817 oldts = chptr->creationtime;
152 adx 30 oldmode = &chptr->mode;
153    
154 michael 4341 if (ConfigGeneral.ignore_bogus_ts)
155 adx 30 {
156     if (newts < 800000000)
157     {
158 michael 1618 sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
159 michael 3169 "*** Bogus TS %lu on %s ignored from %s(via %s)",
160 michael 4617 (unsigned long)newts, chptr->name,
161 michael 3169 source_p->name, source_p->from->name);
162 adx 30
163     newts = (oldts == 0) ? 0 : 800000000;
164     }
165     }
166     else
167     {
168     if (!newts && !isnew && oldts)
169     {
170 michael 4794 sendto_channel_local(0, chptr,
171 michael 2820 ":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to 0",
172 michael 4617 me.name, chptr->name, chptr->name, (unsigned long)oldts);
173 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
174 michael 2820 "Server %s changing TS on %s from %lu to 0",
175 michael 4617 source_p->name, chptr->name, (unsigned long)oldts);
176 adx 30 }
177     }
178    
179     if (isnew)
180 michael 4817 chptr->creationtime = tstosend = newts;
181 adx 30 else if (newts == 0 || oldts == 0)
182 michael 4817 chptr->creationtime = tstosend = 0;
183 adx 30 else if (newts == oldts)
184     tstosend = oldts;
185     else if (newts < oldts)
186     {
187 michael 1243 keep_our_modes = 0;
188 michael 4817 chptr->creationtime = tstosend = newts;
189 adx 30 }
190     else
191     {
192 michael 1243 keep_new_modes = 0;
193 adx 30 tstosend = oldts;
194     }
195    
196     if (!keep_new_modes)
197     mode = *oldmode;
198     else if (keep_our_modes)
199     {
200     mode.mode |= oldmode->mode;
201 michael 3246
202 adx 30 if (oldmode->limit > mode.limit)
203     mode.limit = oldmode->limit;
204     if (strcmp(mode.key, oldmode->key) < 0)
205 michael 3334 strlcpy(mode.key, oldmode->key, sizeof(mode.key));
206 adx 30 }
207 michael 3246
208 adx 30 set_final_mode(&mode, oldmode);
209     chptr->mode = mode;
210    
211     /* Lost the TS, other side wins, so remove modes on this side */
212     if (!keep_our_modes)
213     {
214 michael 4807 /* Update channel name to be the correct case */
215     if (!isnew)
216 michael 4809 strlcpy(chptr->name, parv[2], sizeof(chptr->name));
217 michael 4807
218 adx 30 remove_our_modes(chptr, source_p);
219 michael 873
220 michael 4809 if (dlink_list_length(&chptr->banlist))
221     remove_ban_list(chptr, source_p, &chptr->banlist, 'b');
222    
223     if (dlink_list_length(&chptr->exceptlist))
224     remove_ban_list(chptr, source_p, &chptr->exceptlist, 'e');
225    
226     if (dlink_list_length(&chptr->invexlist))
227     remove_ban_list(chptr, source_p, &chptr->invexlist, 'I');
228 michael 4812
229 michael 4837 clear_ban_cache_channel(chptr);
230 michael 4812 clear_invites(chptr);
231 michael 4809
232 michael 1203 if (chptr->topic[0])
233 michael 873 {
234 michael 3940 channel_set_topic(chptr, "", "", 0, 0);
235 michael 4794 sendto_channel_local(0, chptr, ":%s TOPIC %s :",
236 michael 873 (IsHidden(source_p) ||
237     ConfigServerHide.hide_servers) ?
238 michael 4617 me.name : source_p->name, chptr->name);
239 michael 873 }
240    
241 michael 4794 sendto_channel_local(0, chptr,
242 michael 2820 ":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to %lu",
243 michael 4617 me.name, chptr->name, chptr->name,
244 michael 2820 (unsigned long)oldts, (unsigned long)newts);
245 adx 30 }
246    
247     if (*modebuf != '\0')
248     {
249     /* This _SHOULD_ be to ALL_MEMBERS
250     * It contains only +imnpstlk, etc */
251 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s %s",
252 michael 4617 servername, chptr->name, modebuf, parabuf);
253 adx 30 }
254    
255 michael 3246 if (*parv[3] != '0' && keep_new_modes)
256 adx 30 channel_modes(chptr, source_p, modebuf, parabuf);
257     else
258     {
259     modebuf[0] = '0';
260     modebuf[1] = '\0';
261     }
262    
263 michael 1793 buflen = snprintf(uid_buf, sizeof(uid_buf), ":%s SJOIN %lu %s %s %s:",
264 michael 3186 source_p->id, (unsigned long)tstosend,
265 michael 4617 chptr->name, modebuf, parabuf);
266 adx 30 uid_ptr = uid_buf + buflen;
267    
268 michael 3751 /*
269     * Check we can fit a nick on the end, as well as \r\n and a prefix "
270 adx 30 * @%+", and a space.
271     */
272     if (buflen >= (IRCD_BUFSIZE - IRCD_MAX(NICKLEN, IDLEN) - 2 - 3 - 1))
273     {
274 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
275 michael 3162 "Long SJOIN from server: %s(via %s) (ignored)",
276     source_p->name, source_p->from->name);
277 michael 2820 return 0;
278 adx 30 }
279    
280     mbuf = modebuf;
281     sendbuf[0] = '\0';
282     pargs = 0;
283    
284     *mbuf++ = '+';
285    
286     s = parv[args + 4];
287     while (*s == ' ')
288 michael 3751 ++s;
289 michael 3246
290     if ((p = strchr(s, ' ')))
291 adx 30 {
292     *p++ = '\0';
293 michael 3751
294 adx 30 while (*p == ' ')
295 michael 3751 ++p;
296 adx 30 have_many_nicks = *p;
297     }
298    
299     while (*s)
300     {
301 michael 1243 int valid_mode = 1;
302 adx 30 fl = 0;
303    
304     do
305     {
306     switch (*s)
307     {
308 michael 3751 case '@':
309     fl |= CHFL_CHANOP;
310     ++s;
311     break;
312     case '%':
313     fl |= CHFL_HALFOP;
314     ++s;
315     break;
316     case '+':
317     fl |= CHFL_VOICE;
318     ++s;
319     break;
320     default:
321     valid_mode = 0;
322     break;
323 adx 30 }
324     } while (valid_mode);
325    
326     /*
327 michael 4580 * If the client doesn't exist, or if it's fake direction/server, skip.
328 michael 4299 * we cannot send ERR_NOSUCHNICK here because if it's a UID, we cannot
329     * lookup the nick, and it's better to never send the numeric than only
330 adx 30 * sometimes.
331     */
332 michael 3751 if ((target_p = find_chasing(source_p, s)) == NULL || target_p->from != source_p->from)
333 adx 30 goto nextnick;
334    
335 michael 3186 len_uid = strlen(target_p->id);
336 adx 30 up = uid_prefix;
337    
338     if (keep_new_modes)
339     {
340     if (fl & CHFL_CHANOP)
341     {
342     *up++ = '@';
343 michael 2820 len_uid++;
344 adx 30 }
345 michael 3725
346 adx 30 if (fl & CHFL_HALFOP)
347     {
348     *up++ = '%';
349 michael 2820 len_uid++;
350 adx 30 }
351 michael 3725
352 adx 30 if (fl & CHFL_VOICE)
353     {
354     *up++ = '+';
355 michael 2820 len_uid++;
356 adx 30 }
357     }
358     else
359 michael 3694 fl = 0;
360    
361 michael 3135 *up = '\0';
362 adx 30
363     if ((uid_ptr - uid_buf + len_uid) > (IRCD_BUFSIZE - 2))
364     {
365 michael 3156 sendto_server(source_p, NOCAPS, NOCAPS, "%s", uid_buf);
366 michael 2820
367 michael 1793 buflen = snprintf(uid_buf, sizeof(uid_buf), ":%s SJOIN %lu %s %s %s:",
368 michael 3186 source_p->id, (unsigned long)tstosend,
369 michael 4617 chptr->name, modebuf, parabuf);
370 adx 30 uid_ptr = uid_buf + buflen;
371     }
372    
373 michael 3186 uid_ptr += sprintf(uid_ptr, "%s%s ", uid_prefix, target_p->id);
374 michael 2820
375 adx 30 if (!IsMember(target_p, chptr))
376     {
377     add_user_to_channel(chptr, target_p, fl, !have_many_nicks);
378 michael 4793
379     sendto_channel_local_butone(NULL, CAP_EXTENDED_JOIN, 0, chptr, ":%s!%s@%s JOIN %s %s :%s",
380     target_p->name, target_p->username,
381     target_p->host, chptr->name,
382 michael 4820 (!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
383 michael 4793 target_p->info);
384     sendto_channel_local_butone(NULL, 0, CAP_EXTENDED_JOIN, chptr, ":%s!%s@%s JOIN :%s",
385     target_p->name, target_p->username,
386     target_p->host, chptr->name);
387    
388 michael 1734 if (target_p->away[0])
389 michael 4793 sendto_channel_local_butone(target_p, CAP_AWAY_NOTIFY, 0, chptr,
390 michael 1734 ":%s!%s@%s AWAY :%s",
391     target_p->name, target_p->username,
392     target_p->host, target_p->away);
393 adx 30 }
394    
395     if (fl & CHFL_CHANOP)
396     {
397     *mbuf++ = 'o';
398     para[pargs++] = target_p->name;
399    
400     if (pargs >= MAXMODEPARAMS)
401     {
402 michael 2820 /*
403     * Ok, the code is now going to "walk" through
404     * sendbuf, filling in para strings. So, I will use sptr
405     * to point into the sendbuf.
406     * Notice, that ircsprintf() returns the number of chars
407     * successfully inserted into string.
408     * - Dianora
409     */
410 adx 30
411 michael 2820 sptr = sendbuf;
412 adx 30 *mbuf = '\0';
413 michael 2820
414 michael 3246 for (lcount = 0; lcount < MAXMODEPARAMS; ++lcount)
415 adx 30 {
416 michael 2820 slen = sprintf(sptr, " %s", para[lcount]); /* see? */
417     sptr += slen; /* ready for next */
418 adx 30 }
419 michael 3246
420 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
421     servername, chptr->name, modebuf, sendbuf);
422 adx 30 mbuf = modebuf;
423     *mbuf++ = '+';
424    
425     sendbuf[0] = '\0';
426     pargs = 0;
427     }
428     }
429 michael 3725
430 adx 30 if (fl & CHFL_HALFOP)
431     {
432     *mbuf++ = 'h';
433     para[pargs++] = target_p->name;
434    
435     if (pargs >= MAXMODEPARAMS)
436     {
437     sptr = sendbuf;
438     *mbuf = '\0';
439 michael 3246
440     for (lcount = 0; lcount < MAXMODEPARAMS; ++lcount)
441 adx 30 {
442 michael 1793 slen = sprintf(sptr, " %s", para[lcount]);
443 adx 30 sptr += slen;
444     }
445 michael 3246
446 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
447 michael 4617 servername, chptr->name, modebuf, sendbuf);
448 adx 30
449     mbuf = modebuf;
450     *mbuf++ = '+';
451    
452     sendbuf[0] = '\0';
453     pargs = 0;
454     }
455     }
456 michael 3725
457 adx 30 if (fl & CHFL_VOICE)
458     {
459     *mbuf++ = 'v';
460     para[pargs++] = target_p->name;
461    
462     if (pargs >= MAXMODEPARAMS)
463     {
464 michael 2820 sptr = sendbuf;
465 adx 30 *mbuf = '\0';
466 michael 3246
467     for (lcount = 0; lcount < MAXMODEPARAMS; ++lcount)
468 adx 30 {
469 michael 1793 slen = sprintf(sptr, " %s", para[lcount]);
470 michael 2820 sptr += slen;
471 adx 30 }
472 michael 3246
473 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
474 michael 4617 servername, chptr->name, modebuf, sendbuf);
475 adx 30
476     mbuf = modebuf;
477     *mbuf++ = '+';
478    
479     sendbuf[0] = '\0';
480     pargs = 0;
481     }
482     }
483    
484     nextnick:
485     if ((s = p) == NULL)
486     break;
487 michael 3246
488 adx 30 while (*s == ' ')
489 michael 3246 ++s;
490    
491     if ((p = strchr(s, ' ')))
492 adx 30 {
493 michael 3246 *p++ = '\0';
494    
495 adx 30 while (*p == ' ')
496 michael 3246 ++p;
497 adx 30 }
498     }
499    
500     *mbuf = '\0';
501     *(uid_ptr - 1) = '\0';
502    
503     /*
504     * checking for lcount < MAXMODEPARAMS at this time is wrong
505     * since the code has already verified above that pargs < MAXMODEPARAMS
506     * checking for para[lcount] != '\0' is also wrong, since
507     * there is no place where para[lcount] is set!
508     * - Dianora
509     */
510    
511 michael 3246 if (pargs)
512 adx 30 {
513     sptr = sendbuf;
514    
515 michael 3246 for (lcount = 0; lcount < pargs; ++lcount)
516 adx 30 {
517 michael 1793 slen = sprintf(sptr, " %s", para[lcount]);
518 adx 30 sptr += slen;
519     }
520    
521 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
522 michael 4617 servername, chptr->name, modebuf, sendbuf);
523 adx 30 }
524    
525 michael 4299 /*
526     * If this happens, it's the result of a malformed SJOIN
527 adx 30 * a remnant from the old persistent channel code. *sigh*
528     * Or it could be the result of a client just leaving
529     * and leaving us with a channel formed just as the client parts.
530     * - Dianora
531     */
532 michael 3246 if (!dlink_list_length(&chptr->members) && isnew)
533 adx 30 {
534     destroy_channel(chptr);
535 michael 2820 return 0;
536 adx 30 }
537    
538 michael 3246 if (*parv[4 + args] == '\0')
539 michael 2820 return 0;
540 adx 30
541 michael 3156 sendto_server(source_p, NOCAPS, NOCAPS, "%s", uid_buf);
542 michael 2820 return 0;
543 adx 30 }
544    
545     /* set_final_mode
546     *
547     * inputs - channel mode
548     * - old channel mode
549     * output - NONE
550     * side effects - walk through all the channel modes turning off modes
551     * that were on in oldmode but aren't on in mode.
552     * Then walk through turning on modes that are on in mode
553     * but were not set in oldmode.
554     */
555     static void
556     set_final_mode(struct Mode *mode, struct Mode *oldmode)
557     {
558     char *pbuf = parabuf;
559 michael 3751 int len = 0;
560 adx 30
561     *mbuf++ = '-';
562    
563 michael 3751 for (const struct mode_letter *tab = chan_modes; tab->letter; ++tab)
564 michael 4883 if ((tab->mode & oldmode->mode) && !(tab->mode & mode->mode))
565 michael 1175 *mbuf++ = tab->letter;
566 adx 30
567 michael 3246 if (oldmode->limit && mode->limit == 0)
568 adx 30 *mbuf++ = 'l';
569    
570 michael 4883 if (oldmode->key[0] && mode->key[0] == '\0')
571 adx 30 {
572     *mbuf++ = 'k';
573 michael 1793 len = sprintf(pbuf, "%s ", oldmode->key);
574 adx 30 pbuf += len;
575     pargs++;
576     }
577    
578 michael 3246 if (*(mbuf - 1) == '-')
579     *(mbuf - 1) = '+';
580 adx 30 else
581     *mbuf++ = '+';
582    
583 michael 3751 for (const struct mode_letter *tab = chan_modes; tab->letter; ++tab)
584 michael 4883 if ((tab->mode & mode->mode) && !(tab->mode & oldmode->mode))
585 michael 1175 *mbuf++ = tab->letter;
586 adx 30
587 michael 3246 if (mode->limit && oldmode->limit != mode->limit)
588 adx 30 {
589     *mbuf++ = 'l';
590 michael 1793 len = sprintf(pbuf, "%d ", mode->limit);
591 adx 30 pbuf += len;
592     pargs++;
593     }
594    
595     if (mode->key[0] && strcmp(oldmode->key, mode->key))
596     {
597     *mbuf++ = 'k';
598 michael 1793 len = sprintf(pbuf, "%s ", mode->key);
599 adx 30 pbuf += len;
600     pargs++;
601     }
602 michael 3246
603     if (*(mbuf - 1) == '+')
604     *(mbuf - 1) = '\0';
605 adx 30 else
606     *mbuf = '\0';
607     }
608    
609     /* remove_our_modes()
610     *
611     * inputs - pointer to channel to remove modes from
612     * - client pointer
613     * output - NONE
614     * side effects - Go through the local members, remove all their
615     * chanop modes etc., this side lost the TS.
616     */
617     static void
618     remove_our_modes(struct Channel *chptr, struct Client *source_p)
619     {
620     remove_a_mode(chptr, source_p, CHFL_CHANOP, 'o');
621     remove_a_mode(chptr, source_p, CHFL_HALFOP, 'h');
622     remove_a_mode(chptr, source_p, CHFL_VOICE, 'v');
623     }
624    
625     /* remove_a_mode()
626     *
627     * inputs - pointer to channel
628     * - server or client removing the mode
629     * - mask o/h/v mask to be removed
630     * - flag o/h/v to be removed
631     * output - NONE
632     * side effects - remove ONE mode from all members of a channel
633     */
634     static void
635     remove_a_mode(struct Channel *chptr, struct Client *source_p,
636     int mask, char flag)
637     {
638 michael 4816 dlink_node *node = NULL;
639 adx 30 char lmodebuf[MODEBUFLEN];
640 michael 3246 char *sp = sendbuf;
641 adx 30 const char *lpara[MAXMODEPARAMS];
642 michael 3751 unsigned int count = 0;
643     int l = 0;
644 adx 30
645     mbuf = lmodebuf;
646     *mbuf++ = '-';
647     *sp = '\0';
648    
649 michael 4816 DLINK_FOREACH(node, chptr->members.head)
650 adx 30 {
651 michael 4816 struct Membership *member = node->data;
652 adx 30
653 michael 4816 if ((member->flags & mask) == 0)
654 adx 30 continue;
655    
656 michael 4816 member->flags &= ~mask;
657 adx 30
658 michael 4816 lpara[count++] = member->client_p->name;
659 adx 30
660     *mbuf++ = flag;
661    
662     if (count >= MAXMODEPARAMS)
663     {
664 michael 3751 for (unsigned int i = 0; i < MAXMODEPARAMS; ++i)
665 adx 30 {
666 michael 1793 l = sprintf(sp, " %s", lpara[i]);
667 michael 2820 sp += l;
668 adx 30 }
669    
670     *mbuf = '\0';
671 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
672 michael 2820 (IsHidden(source_p) || ConfigServerHide.hide_servers) ?
673     me.name : source_p->name,
674 michael 4617 chptr->name, lmodebuf, sendbuf);
675 adx 30 mbuf = lmodebuf;
676     *mbuf++ = '-';
677     count = 0;
678     sp = sendbuf;
679     *sp = '\0';
680     }
681     }
682    
683 michael 3246 if (count)
684 adx 30 {
685     *mbuf = '\0';
686 michael 3246
687 michael 3751 for (unsigned int i = 0; i < count; ++i)
688 adx 30 {
689 michael 1793 l = sprintf(sp, " %s", lpara[i]);
690 adx 30 sp += l;
691     }
692 michael 3246
693 michael 4794 sendto_channel_local(0, chptr, ":%s MODE %s %s%s",
694 michael 2820 (IsHidden(source_p) || ConfigServerHide.hide_servers) ?
695     me.name : source_p->name,
696 michael 4617 chptr->name, lmodebuf, sendbuf);
697 adx 30 }
698     }
699    
700     /* remove_ban_list()
701     *
702 michael 3041 * inputs - channel, source, list to remove, char of mode
703 adx 30 * outputs - none
704 michael 3135 * side effects - given ban list is removed, modes are sent to local clients
705 adx 30 */
706     static void
707     remove_ban_list(struct Channel *chptr, struct Client *source_p,
708 michael 3041 dlink_list *list, char c)
709 adx 30 {
710     char lmodebuf[MODEBUFLEN];
711     char lparabuf[IRCD_BUFSIZE];
712 michael 4816 dlink_node *node = NULL, *node_next = NULL;
713 adx 30 char *pbuf = NULL;
714 michael 2820 int count = 0;
715 adx 30 int cur_len, mlen, plen;
716    
717     pbuf = lparabuf;
718 michael 3751 cur_len = mlen = snprintf(lmodebuf, sizeof(lmodebuf), ":%s MODE %s -",
719 michael 4617 source_p->name, chptr->name);
720 adx 30 mbuf = lmodebuf + mlen;
721    
722 michael 4816 DLINK_FOREACH_SAFE(node, node_next, list->head)
723 adx 30 {
724 michael 4816 struct Ban *ban = node->data;
725 adx 30
726 michael 4816 plen = ban->len + 4; /* another +b and "!@ " */
727 michael 3246
728 adx 30 if (count >= MAXMODEPARAMS ||
729     (cur_len + 1 /* space between */ + (plen - 1)) > IRCD_BUFSIZE - 2)
730     {
731     /* NUL-terminate and remove trailing space */
732     *mbuf = *(pbuf - 1) = '\0';
733 michael 4794 sendto_channel_local(0, chptr, "%s %s", lmodebuf, lparabuf);
734 adx 30 cur_len = mlen;
735     mbuf = lmodebuf + mlen;
736     pbuf = lparabuf;
737     count = 0;
738 michael 2820 }
739 adx 30
740     *mbuf++ = c;
741     cur_len += plen;
742 michael 4816 pbuf += sprintf(pbuf, "%s!%s@%s ", ban->name, ban->user, ban->host);
743 adx 30 ++count;
744    
745 michael 4816 remove_ban(ban, list);
746 adx 30 }
747    
748     *mbuf = *(pbuf - 1) = '\0';
749 michael 4794 sendto_channel_local(0, chptr, "%s %s", lmodebuf, lparabuf);
750 adx 30 }
751 michael 1230
752 michael 2820 static struct Message sjoin_msgtab =
753     {
754 michael 4546 "SJOIN", NULL, 0, 0, 5, MAXPARA, MFLG_SLOW, 0,
755 michael 2820 { m_unregistered, m_ignore, ms_sjoin, m_ignore, m_ignore, m_ignore }
756 michael 1230 };
757    
758     static void
759     module_init(void)
760     {
761     mod_add_cmd(&sjoin_msgtab);
762     }
763    
764     static void
765     module_exit(void)
766     {
767     mod_del_cmd(&sjoin_msgtab);
768     }
769    
770 michael 2820 struct module module_entry =
771     {
772 michael 1230 .node = { NULL, NULL, NULL },
773     .name = NULL,
774     .version = "$Revision$",
775     .handle = NULL,
776     .modinit = module_init,
777     .modexit = module_exit,
778     .flags = MODULE_FLAG_CORE
779     };

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision