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[irc/rqf/shadowircd.git] / src / s_user.c
1 /*
2 * ircd-ratbox: A slightly useful ircd.
3 * s_user.c: User related functions.
4 *
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
8 *
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.
13 *
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.
18 *
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
22 * USA
23 *
24 * $Id: s_user.c 3586 2007-11-20 11:16:43Z nenolod $
25 */
26
27 #include "stdinc.h"
28 #include "s_user.h"
29 #include "channel.h"
30 #include "class.h"
31 #include "client.h"
32 #include "common.h"
33 #include "hash.h"
34 #include "irc_string.h"
35 #include "sprintf_irc.h"
36 #include "ircd.h"
37 #include "listener.h"
38 #include "msg.h"
39 #include "numeric.h"
40 #include "s_conf.h"
41 #include "s_newconf.h"
42 #include "s_log.h"
43 #include "s_serv.h"
44 #include "s_stats.h"
45 #include "scache.h"
46 #include "send.h"
47 #include "supported.h"
48 #include "whowas.h"
49 #include "packet.h"
50 #include "reject.h"
51 #include "cache.h"
52 #include "hook.h"
53 #include "monitor.h"
54 #include "snomask.h"
55 #include "blacklist.h"
56 #include "substitution.h"
57
58 static void report_and_set_user_flags(struct Client *, struct ConfItem *);
59 void user_welcome(struct Client *source_p);
60
61 extern char *crypt();
62
63 char umodebuf[128];
64
65 static int orphaned_umodes = 0;
66 int user_modes[256] = {
67 /* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0F */
68 /* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x1F */
69 /* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x2F */
70 /* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x3F */
71 0, /* @ */
72 0, /* A */
73 0, /* B */
74 0, /* C */
75 UMODE_DEAF, /* D */
76 0, /* E */
77 0, /* F */
78 0, /* G */
79 0, /* H */
80 0, /* I */
81 0, /* J */
82 0, /* K */
83 0, /* L */
84 0, /* M */
85 0, /* N */
86 0, /* O */
87 0, /* P */
88 UMODE_NOFORWARD, /* Q */
89 UMODE_REGONLYMSG, /* R */
90 UMODE_SERVICE, /* S */
91 0, /* T */
92 0, /* U */
93 0, /* V */
94 0, /* W */
95 0, /* X */
96 0, /* Y */
97 0, /* Z */
98 /* 0x5B */ 0, 0, 0, 0, 0, 0, /* 0x60 */
99 UMODE_ADMIN, /* a */
100 0, /* b */
101 0, /* c */
102 0, /* d */
103 0, /* e */
104 0, /* f */
105 UMODE_CALLERID, /* g */
106 0, /* h */
107 UMODE_INVISIBLE, /* i */
108 0, /* j */
109 0, /* k */
110 UMODE_LOCOPS, /* l */
111 0, /* m */
112 0, /* n */
113 UMODE_OPER, /* o */
114 0, /* p */
115 0, /* q */
116 0, /* r */
117 UMODE_SERVNOTICE, /* s */
118 0, /* t */
119 0, /* u */
120 0, /* v */
121 UMODE_WALLOP, /* w */
122 0, /* x */
123 0, /* y */
124 UMODE_OPERWALL, /* z */
125 /* 0x7B */ 0, 0, 0, 0, 0, /* 0x7F */
126 /* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */
127 /* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */
128 /* 0xA0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xAF */
129 /* 0xB0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xBF */
130 /* 0xC0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xCF */
131 /* 0xD0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xDF */
132 /* 0xE0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xEF */
133 /* 0xF0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xFF */
134 };
135 /* *INDENT-ON* */
136
137 /*
138 * show_lusers -
139 *
140 * inputs - pointer to client
141 * output -
142 * side effects - display to client user counts etc.
143 */
144 int
145 show_lusers(struct Client *source_p)
146 {
147 if(rb_dlink_list_length(&lclient_list) > (unsigned long)MaxClientCount)
148 MaxClientCount = rb_dlink_list_length(&lclient_list);
149
150 if((rb_dlink_list_length(&lclient_list) + rb_dlink_list_length(&serv_list)) >
151 (unsigned long)MaxConnectionCount)
152 MaxConnectionCount = rb_dlink_list_length(&lclient_list) +
153 rb_dlink_list_length(&serv_list);
154
155 sendto_one_numeric(source_p, RPL_LUSERCLIENT, form_str(RPL_LUSERCLIENT),
156 (Count.total - Count.invisi),
157 Count.invisi, rb_dlink_list_length(&global_serv_list));
158
159 if(rb_dlink_list_length(&oper_list) > 0)
160 sendto_one_numeric(source_p, RPL_LUSEROP,
161 form_str(RPL_LUSEROP), rb_dlink_list_length(&oper_list));
162
163 if(rb_dlink_list_length(&unknown_list) > 0)
164 sendto_one_numeric(source_p, RPL_LUSERUNKNOWN,
165 form_str(RPL_LUSERUNKNOWN),
166 rb_dlink_list_length(&unknown_list));
167
168 if(rb_dlink_list_length(&global_channel_list) > 0)
169 sendto_one_numeric(source_p, RPL_LUSERCHANNELS,
170 form_str(RPL_LUSERCHANNELS),
171 rb_dlink_list_length(&global_channel_list));
172
173 sendto_one_numeric(source_p, RPL_LUSERME, form_str(RPL_LUSERME),
174 rb_dlink_list_length(&lclient_list),
175 rb_dlink_list_length(&serv_list));
176
177 sendto_one_numeric(source_p, RPL_LOCALUSERS,
178 form_str(RPL_LOCALUSERS),
179 rb_dlink_list_length(&lclient_list),
180 Count.max_loc,
181 rb_dlink_list_length(&lclient_list),
182 Count.max_loc);
183
184 sendto_one_numeric(source_p, RPL_GLOBALUSERS, form_str(RPL_GLOBALUSERS),
185 Count.total, Count.max_tot,
186 Count.total, Count.max_tot);
187
188 sendto_one_numeric(source_p, RPL_STATSCONN,
189 form_str(RPL_STATSCONN),
190 MaxConnectionCount, MaxClientCount,
191 Count.totalrestartcount);
192
193 return 0;
194 }
195
196 /*
197 ** register_local_user
198 ** This function is called when both NICK and USER messages
199 ** have been accepted for the client, in whatever order. Only
200 ** after this, is the USER message propagated.
201 **
202 ** NICK's must be propagated at once when received, although
203 ** it would be better to delay them too until full info is
204 ** available. Doing it is not so simple though, would have
205 ** to implement the following:
206 **
207 ** (actually it has been implemented already for a while) -orabidoo
208 **
209 ** 1) user telnets in and gives only "NICK foobar" and waits
210 ** 2) another user far away logs in normally with the nick
211 ** "foobar" (quite legal, as this server didn't propagate
212 ** it).
213 ** 3) now this server gets nick "foobar" from outside, but
214 ** has alread the same defined locally. Current server
215 ** would just issue "KILL foobar" to clean out dups. But,
216 ** this is not fair. It should actually request another
217 ** nick from local user or kill him/her...
218 */
219
220 int
221 register_local_user(struct Client *client_p, struct Client *source_p, const char *username)
222 {
223 struct ConfItem *aconf, *xconf;
224 struct User *user = source_p->user;
225 char tmpstr2[IRCD_BUFSIZE];
226 char ipaddr[HOSTIPLEN];
227 char myusername[USERLEN+1];
228 int status;
229
230 s_assert(NULL != source_p);
231 s_assert(MyConnect(source_p));
232 s_assert(source_p->username != username);
233
234 if(source_p == NULL)
235 return -1;
236
237 if(IsAnyDead(source_p))
238 return -1;
239
240 if(ConfigFileEntry.ping_cookie)
241 {
242 if(!(source_p->flags & FLAGS_PINGSENT) && source_p->localClient->random_ping == 0)
243 {
244 source_p->localClient->random_ping = (unsigned long) (rand() * rand()) << 1;
245 sendto_one(source_p, "PING :%08lX",
246 (unsigned long) source_p->localClient->random_ping);
247 source_p->flags |= FLAGS_PINGSENT;
248 return -1;
249 }
250 if(!(source_p->flags & FLAGS_PING_COOKIE))
251 {
252 return -1;
253 }
254 }
255
256 /* hasnt finished client cap negotiation */
257 if(source_p->flags & FLAGS_CLICAP)
258 return -1;
259
260 /* still has DNSbls to validate against */
261 if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0)
262 return -1;
263
264 client_p->localClient->last = rb_current_time();
265 /* Straight up the maximum rate of flooding... */
266 source_p->localClient->allow_read = MAX_FLOOD_BURST;
267
268 /* XXX - fixme. we shouldnt have to build a users buffer twice.. */
269 if(!IsGotId(source_p) && (strchr(username, '[') != NULL))
270 {
271 const char *p;
272 int i = 0;
273
274 p = username;
275
276 while(*p && i < USERLEN)
277 {
278 if(*p != '[')
279 myusername[i++] = *p;
280 p++;
281 }
282
283 myusername[i] = '\0';
284 username = myusername;
285 }
286
287 if((status = check_client(client_p, source_p, username)) < 0)
288 return (CLIENT_EXITED);
289
290 /* Apply nick override */
291 if(*source_p->preClient->spoofnick)
292 {
293 char note[NICKLEN + 10];
294
295 del_from_client_hash(source_p->name, source_p);
296 strlcpy(source_p->name, source_p->preClient->spoofnick, NICKLEN + 1);
297 add_to_client_hash(source_p->name, source_p);
298
299 rb_snprintf(note, NICKLEN + 10, "Nick: %s", source_p->name);
300 rb_note(source_p->localClient->F, note);
301 }
302
303 if(!valid_hostname(source_p->host))
304 {
305 sendto_one_notice(source_p, ":*** Notice -- You have an illegal character in your hostname");
306
307 strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
308 }
309
310
311 aconf = source_p->localClient->att_conf;
312
313 if(aconf == NULL)
314 {
315 exit_client(client_p, source_p, &me, "*** Not Authorised");
316 return (CLIENT_EXITED);
317 }
318
319 if(!IsGotId(source_p))
320 {
321 const char *p;
322 int i = 0;
323
324 if(IsNeedIdentd(aconf))
325 {
326 ServerStats->is_ref++;
327 sendto_one_notice(source_p, ":*** Notice -- You need to install identd to use this server");
328 exit_client(client_p, source_p, &me, "Install identd");
329 return (CLIENT_EXITED);
330 }
331
332 /* dont replace username if its supposed to be spoofed --fl */
333 if(!IsConfDoSpoofIp(aconf) || !strchr(aconf->name, '@'))
334 {
335 p = username;
336
337 if(!IsNoTilde(aconf))
338 source_p->username[i++] = '~';
339
340 while (*p && i < USERLEN)
341 {
342 if(*p != '[')
343 source_p->username[i++] = *p;
344 p++;
345 }
346
347 source_p->username[i] = '\0';
348 }
349 }
350
351 if(IsNeedSasl(aconf) && !*user->suser)
352 {
353 ServerStats->is_ref++;
354 sendto_one_notice(source_p, ":*** Notice -- You need to identify via SASL to use this server");
355 exit_client(client_p, source_p, &me, "SASL access only");
356 return (CLIENT_EXITED);
357 }
358
359 /* password check */
360 if(!EmptyString(aconf->passwd))
361 {
362 const char *encr;
363
364 if(EmptyString(source_p->localClient->passwd))
365 encr = "";
366 else if(IsConfEncrypted(aconf))
367 encr = crypt(source_p->localClient->passwd, aconf->passwd);
368 else
369 encr = source_p->localClient->passwd;
370
371 if(strcmp(encr, aconf->passwd))
372 {
373 ServerStats->is_ref++;
374 sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), me.name, source_p->name);
375 exit_client(client_p, source_p, &me, "Bad Password");
376 return (CLIENT_EXITED);
377 }
378
379 /* clear password only if used now, otherwise send it
380 * to services -- jilles */
381 if(source_p->localClient->passwd)
382 {
383 memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd));
384 rb_free(source_p->localClient->passwd);
385 source_p->localClient->passwd = NULL;
386 }
387 }
388
389 /* report if user has &^>= etc. and set flags as needed in source_p */
390 report_and_set_user_flags(source_p, aconf);
391
392 /* Limit clients */
393 /*
394 * We want to be able to have servers and F-line clients
395 * connect, so save room for "buffer" connections.
396 * Smaller servers may want to decrease this, and it should
397 * probably be just a percentage of the MAXCLIENTS...
398 * -Taner
399 */
400 /* Except "F:" clients */
401 if(rb_dlink_list_length(&lclient_list) >=
402 (unsigned long)GlobalSetOptions.maxclients && !IsConfExemptLimits(aconf))
403 {
404 sendto_realops_snomask(SNO_FULL, L_ALL,
405 "Too many clients, rejecting %s[%s].", source_p->name, source_p->host);
406
407 ServerStats->is_ref++;
408 exit_client(client_p, source_p, &me, "Sorry, server is full - try later");
409 return (CLIENT_EXITED);
410 }
411
412 /* kline exemption extends to xline too */
413 if(!IsExemptKline(source_p) &&
414 (xconf = find_xline(source_p->info, 1)) != NULL)
415 {
416 ServerStats->is_ref++;
417 add_reject(source_p, xconf->name, NULL);
418 exit_client(client_p, source_p, &me, "Bad user info");
419 return CLIENT_EXITED;
420 }
421
422 /* dnsbl check */
423 if (source_p->preClient->dnsbl_listed != NULL)
424 {
425 if (IsExemptKline(source_p) || IsConfExemptDNSBL(aconf))
426 sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s, but you are exempt",
427 source_p->sockhost, source_p->preClient->dnsbl_listed->host);
428 else
429 {
430 rb_dlink_list varlist = { NULL, NULL, 0 };
431
432 substitution_append_var(&varlist, "nick", source_p->name);
433 substitution_append_var(&varlist, "ip", source_p->sockhost);
434 substitution_append_var(&varlist, "host", source_p->host);
435 substitution_append_var(&varlist, "dnsbl-host", source_p->preClient->dnsbl_listed->host);
436 substitution_append_var(&varlist, "network-name", ServerInfo.network_name);
437
438 ServerStats->is_ref++;
439
440 sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP),
441 me.name, source_p->name,
442 substitution_parse(source_p->preClient->dnsbl_listed->reject_reason, &varlist));
443
444 substitution_free(&varlist);
445
446 sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s",
447 source_p->sockhost, source_p->preClient->dnsbl_listed->host);
448 source_p->preClient->dnsbl_listed->hits++;
449 add_reject(source_p, NULL, NULL);
450 exit_client(client_p, source_p, &me, "*** Banned (DNS blacklist)");
451 return CLIENT_EXITED;
452 }
453 }
454
455 /* valid user name check */
456
457 if(!valid_username(source_p->username))
458 {
459 sendto_realops_snomask(SNO_REJ, L_ALL,
460 "Invalid username: %s (%s@%s)",
461 source_p->name, source_p->username, source_p->host);
462 ServerStats->is_ref++;
463 sendto_one_notice(source_p, ":*** Your username is invalid. Please make sure that your username contains "
464 "only alphanumeric characters.");
465 rb_sprintf(tmpstr2, "Invalid username [%s]", source_p->username);
466 exit_client(client_p, source_p, &me, tmpstr2);
467 return (CLIENT_EXITED);
468 }
469
470 /* end of valid user name check */
471
472 /* Store original hostname -- jilles */
473 strlcpy(source_p->orighost, source_p->host, HOSTLEN + 1);
474
475 /* Spoof user@host */
476 if(*source_p->preClient->spoofuser)
477 strlcpy(source_p->username, source_p->preClient->spoofuser, USERLEN + 1);
478 if(*source_p->preClient->spoofhost)
479 {
480 strlcpy(source_p->host, source_p->preClient->spoofhost, HOSTLEN + 1);
481 if (irccmp(source_p->host, source_p->orighost))
482 SetDynSpoof(source_p);
483 }
484
485 source_p->umodes |= ConfigFileEntry.default_umodes & ~ConfigFileEntry.oper_only_umodes & ~orphaned_umodes;
486
487 call_hook(h_new_local_user, source_p);
488
489 /* If they have died in send_* or were thrown out by the
490 * new_local_user hook don't do anything. */
491 if(IsAnyDead(source_p))
492 return CLIENT_EXITED;
493
494 /* To avoid inconsistencies, do not abort the registration
495 * starting from this point -- jilles
496 */
497 inetntop_sock((struct sockaddr *)&source_p->localClient->ip, ipaddr, sizeof(ipaddr));
498
499 sendto_realops_snomask(SNO_CCONN, L_ALL,
500 "Client connecting: %s (%s@%s) [%s] {%s} [%s]",
501 source_p->name, source_p->username, source_p->orighost,
502 show_ip(NULL, source_p) ? ipaddr : "255.255.255.255",
503 get_client_class(source_p), source_p->info);
504
505 sendto_realops_snomask(SNO_CCONNEXT, L_ALL,
506 "CLICONN %s %s %s %s %s %s 0 %s",
507 source_p->name, source_p->username, source_p->orighost,
508 show_ip(NULL, source_p) ? ipaddr : "255.255.255.255",
509 get_client_class(source_p),
510 /* mirc can sometimes send ips here */
511 show_ip(NULL, source_p) ? source_p->localClient->fullcaps : "<hidden> <hidden>",
512 source_p->info);
513
514 add_to_hostname_hash(source_p->orighost, source_p);
515
516 /* Allocate a UID if it was not previously allocated.
517 * If this already occured, it was probably during SASL auth...
518 */
519 if(!*source_p->id)
520 {
521 strcpy(source_p->id, generate_uid());
522 add_to_id_hash(source_p->id, source_p);
523 }
524
525 if (source_p->umodes & UMODE_INVISIBLE)
526 Count.invisi++;
527
528 s_assert(!IsClient(source_p));
529 del_unknown_ip(source_p);
530 rb_dlinkMoveNode(&source_p->localClient->tnode, &unknown_list, &lclient_list);
531 SetClient(source_p);
532
533 source_p->servptr = &me;
534 rb_dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
535
536 /* Increment our total user count here */
537 if(++Count.total > Count.max_tot)
538 Count.max_tot = Count.total;
539
540 source_p->localClient->allow_read = MAX_FLOOD_BURST;
541
542 Count.totalrestartcount++;
543
544 s_assert(source_p->localClient != NULL);
545
546 if(rb_dlink_list_length(&lclient_list) > (unsigned long)Count.max_loc)
547 {
548 Count.max_loc = rb_dlink_list_length(&lclient_list);
549 if(!(Count.max_loc % 10))
550 sendto_realops_snomask(SNO_GENERAL, L_ALL,
551 "New Max Local Clients: %d", Count.max_loc);
552 }
553
554 /* they get a reduced limit */
555 if(find_tgchange(source_p->sockhost))
556 USED_TARGETS(source_p) = 6;
557
558 monitor_signon(source_p);
559 user_welcome(source_p);
560
561 free_pre_client(source_p);
562
563 return (introduce_client(client_p, source_p, user, source_p->name, 1));
564 }
565
566 /*
567 * introduce_clients
568 *
569 * inputs -
570 * output -
571 * side effects - This common function introduces a client to the rest
572 * of the net, either from a local client connect or
573 * from a remote connect.
574 */
575 int
576 introduce_client(struct Client *client_p, struct Client *source_p, struct User *user, const char *nick, int use_euid)
577 {
578 static char ubuf[12];
579 struct Client *identifyservice_p;
580 char *p;
581 hook_data_umode_changed hdata;
582 hook_data_client hdata2;
583
584 if(MyClient(source_p))
585 send_umode(source_p, source_p, 0, 0, ubuf);
586 else
587 send_umode(NULL, source_p, 0, 0, ubuf);
588
589 if(!*ubuf)
590 {
591 ubuf[0] = '+';
592 ubuf[1] = '\0';
593 }
594
595 /* if it has an ID, introduce it with its id to TS6 servers,
596 * otherwise introduce it normally to all.
597 */
598 if(has_id(source_p))
599 {
600 char sockhost[HOSTLEN];
601 if(source_p->sockhost[0] == ':')
602 {
603 sockhost[0] = '0';
604 sockhost[1] = '\0';
605 strlcat(sockhost, source_p->sockhost, sizeof(sockhost));
606 } else
607 strcpy(sockhost, source_p->sockhost);
608
609 if (use_euid)
610 sendto_server(client_p, NULL, CAP_EUID | CAP_TS6, NOCAPS,
611 ":%s EUID %s %d %ld %s %s %s %s %s %s %s :%s",
612 source_p->servptr->id, nick,
613 source_p->hopcount + 1,
614 (long) source_p->tsinfo, ubuf,
615 source_p->username, source_p->host,
616 IsIPSpoof(source_p) ? "0" : sockhost,
617 source_p->id,
618 IsDynSpoof(source_p) ? source_p->orighost : "*",
619 EmptyString(source_p->user->suser) ? "*" : source_p->user->suser,
620 source_p->info);
621
622 sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS,
623 ":%s UID %s %d %ld %s %s %s %s %s :%s",
624 source_p->servptr->id, nick,
625 source_p->hopcount + 1,
626 (long) source_p->tsinfo, ubuf,
627 source_p->username, source_p->host,
628 IsIPSpoof(source_p) ? "0" : sockhost,
629 source_p->id, source_p->info);
630
631 sendto_server(client_p, NULL, NOCAPS, CAP_TS6,
632 "NICK %s %d %ld %s %s %s %s :%s",
633 nick, source_p->hopcount + 1,
634 (long) source_p->tsinfo,
635 ubuf, source_p->username, source_p->host,
636 source_p->servptr->name, source_p->info);
637 }
638 else
639 sendto_server(client_p, NULL, NOCAPS, NOCAPS,
640 "NICK %s %d %ld %s %s %s %s :%s",
641 nick, source_p->hopcount + 1,
642 (long) source_p->tsinfo,
643 ubuf, source_p->username, source_p->host,
644 source_p->servptr->name, source_p->info);
645
646 if (IsDynSpoof(source_p))
647 {
648 sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * REALHOST %s",
649 use_id(source_p), source_p->orighost);
650 sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s ENCAP * REALHOST %s",
651 source_p->name, source_p->orighost);
652 }
653 if (!EmptyString(source_p->user->suser))
654 {
655 sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * LOGIN %s",
656 use_id(source_p), source_p->user->suser);
657 sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s ENCAP * LOGIN %s",
658 source_p->name, source_p->user->suser);
659 }
660
661 if(MyConnect(source_p) && source_p->localClient->passwd)
662 {
663 if (ConfigFileEntry.identifyservice[0] != '\0' &&
664 ConfigFileEntry.identifycommand[0] != '\0')
665 {
666 /* use user@server */
667 p = strchr(ConfigFileEntry.identifyservice, '@');
668 if (p != NULL)
669 identifyservice_p = find_named_client(p + 1);
670 else
671 identifyservice_p = NULL;
672 if (identifyservice_p != NULL)
673 sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s",
674 get_id(source_p, identifyservice_p),
675 ConfigFileEntry.identifyservice,
676 ConfigFileEntry.identifycommand,
677 source_p->localClient->passwd);
678 }
679 memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd));
680 rb_free(source_p->localClient->passwd);
681 source_p->localClient->passwd = NULL;
682 }
683
684 /* let modules providing usermodes know that we've got a new user,
685 * why is this here? -- well, some modules need to be able to send out new
686 * information about a client, so this was the best place to do it
687 * --nenolod
688 */
689 hdata.client = source_p;
690 hdata.oldumodes = 0;
691 hdata.oldsnomask = 0;
692 call_hook(h_umode_changed, &hdata);
693
694 /* On the other hand, some modules need to know when a client is
695 * being introduced, period.
696 * --gxti
697 */
698 hdata2.client = client_p;
699 hdata2.target = source_p;
700 call_hook(h_introduce_client, &hdata2);
701
702 return 0;
703 }
704
705 /*
706 * valid_hostname - check hostname for validity
707 *
708 * Inputs - pointer to user
709 * Output - YES if valid, NO if not
710 * Side effects - NONE
711 *
712 * NOTE: this doesn't allow a hostname to begin with a dot and
713 * will not allow more dots than chars.
714 */
715 int
716 valid_hostname(const char *hostname)
717 {
718 const char *p = hostname;
719 int found_sep = 0;
720
721 s_assert(NULL != p);
722
723 if(hostname == NULL)
724 return NO;
725
726 if('.' == *p || ':' == *p)
727 return NO;
728
729 while (*p)
730 {
731 if(!IsHostChar(*p))
732 return NO;
733 if(*p == '.' || *p == ':')
734 found_sep++;
735 p++;
736 }
737
738 if(found_sep == 0)
739 return(NO);
740
741 return (YES);
742 }
743
744 /*
745 * valid_username - check username for validity
746 *
747 * Inputs - pointer to user
748 * Output - YES if valid, NO if not
749 * Side effects - NONE
750 *
751 * Absolutely always reject any '*' '!' '?' '@' in an user name
752 * reject any odd control characters names.
753 * Allow '.' in username to allow for "first.last"
754 * style of username
755 */
756 int
757 valid_username(const char *username)
758 {
759 int dots = 0;
760 const char *p = username;
761
762 s_assert(NULL != p);
763
764 if(username == NULL)
765 return NO;
766
767 if('~' == *p)
768 ++p;
769
770 /* reject usernames that don't start with an alphanum
771 * i.e. reject jokers who have '-@somehost' or '.@somehost'
772 * or "-hi-@somehost", "h-----@somehost" would still be accepted.
773 */
774 if(!IsAlNum(*p))
775 return NO;
776
777 while (*++p)
778 {
779 if((*p == '.') && ConfigFileEntry.dots_in_ident)
780 {
781 dots++;
782 if(dots > ConfigFileEntry.dots_in_ident)
783 return NO;
784 if(!IsUserChar(p[1]))
785 return NO;
786 }
787 else if(!IsUserChar(*p))
788 return NO;
789 }
790 return YES;
791 }
792
793 /* report_and_set_user_flags
794 *
795 * Inputs - pointer to source_p
796 * - pointer to aconf for this user
797 * Output - NONE
798 * Side effects -
799 * Report to user any special flags they are getting, and set them.
800 */
801
802 static void
803 report_and_set_user_flags(struct Client *source_p, struct ConfItem *aconf)
804 {
805 /* If this user is being spoofed, tell them so */
806 if(IsConfDoSpoofIp(aconf))
807 {
808 sendto_one_notice(source_p, ":*** Spoofing your IP. congrats.");
809 }
810
811 /* If this user is in the exception class, Set it "E lined" */
812 if(IsConfExemptKline(aconf))
813 {
814 SetExemptKline(source_p);
815 sendto_one_notice(source_p, ":*** You are exempt from K/G/X lines. congrats.");
816 }
817
818 if(IsConfExemptGline(aconf))
819 {
820 SetExemptGline(source_p);
821
822 /* dont send both a kline and gline exempt notice */
823 if(!IsConfExemptKline(aconf))
824 sendto_one_notice(source_p, ":*** You are exempt from G lines.");
825 }
826
827 if(IsConfExemptDNSBL(aconf))
828 /* kline exempt implies this, don't send both */
829 if(!IsConfExemptKline(aconf))
830 sendto_one_notice(source_p, ":*** You are exempt from DNS blacklists.");
831
832 /* If this user is exempt from user limits set it F lined" */
833 if(IsConfExemptLimits(aconf))
834 {
835 sendto_one_notice(source_p, ":*** You are exempt from user limits. congrats.");
836 }
837
838 if(IsConfExemptFlood(aconf))
839 {
840 SetExemptFlood(source_p);
841 sendto_one_notice(source_p, ":*** You are exempt from flood limits.");
842 }
843
844 if(IsConfExemptSpambot(aconf))
845 {
846 SetExemptSpambot(source_p);
847 sendto_one_notice(source_p, ":*** You are exempt from spambot checks.");
848 }
849
850 if(IsConfExemptJupe(aconf))
851 {
852 SetExemptJupe(source_p);
853 sendto_one_notice(source_p, ":*** You are exempt from juped channel warnings.");
854 }
855
856 if(IsConfExemptResv(aconf))
857 {
858 SetExemptResv(source_p);
859 sendto_one_notice(source_p, ":*** You are exempt from resvs.");
860 }
861
862 if(IsConfExemptShide(aconf))
863 {
864 SetExemptShide(source_p);
865 sendto_one_notice(source_p, ":*** You are exempt from serverhiding.");
866 }
867 }
868
869 /*
870 * user_mode - set get current users mode
871 *
872 * m_umode() added 15/10/91 By Darren Reed.
873 * parv[0] - sender
874 * parv[1] - username to change mode for
875 * parv[2] - modes to change
876 */
877 int
878 user_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
879 {
880 int flag;
881 int i;
882 char *m;
883 const char *pm;
884 struct Client *target_p;
885 int what, setflags;
886 int badflag = NO; /* Only send one bad flag notice */
887 int showsnomask = NO;
888 unsigned int setsnomask;
889 char buf[BUFSIZE];
890 hook_data_umode_changed hdata;
891
892 what = MODE_ADD;
893
894 if(parc < 2)
895 {
896 sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "MODE");
897 return 0;
898 }
899
900 if((target_p = MyClient(source_p) ? find_named_person(parv[1]) : find_person(parv[1])) == NULL)
901 {
902 if(MyConnect(source_p))
903 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
904 form_str(ERR_NOSUCHCHANNEL), parv[1]);
905 return 0;
906 }
907
908 /* Dont know why these were commented out..
909 * put them back using new sendto() funcs
910 */
911
912 if(IsServer(source_p))
913 {
914 sendto_realops_snomask(SNO_GENERAL, L_ADMIN,
915 "*** Mode for User %s from %s", parv[1], source_p->name);
916 return 0;
917 }
918
919 if(source_p != target_p || target_p->from != source_p->from)
920 {
921 sendto_one(source_p, form_str(ERR_USERSDONTMATCH), me.name, source_p->name);
922 return 0;
923 }
924
925 if(parc < 3)
926 {
927 m = buf;
928 *m++ = '+';
929
930 for (i = 0; i < 128; i++) /* >= 127 is extended ascii */
931 if (source_p->umodes & user_modes[i])
932 *m++ = (char) i;
933
934 *m = '\0';
935 sendto_one_numeric(source_p, RPL_UMODEIS, form_str(RPL_UMODEIS), buf);
936
937 if (source_p->snomask != 0)
938 sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK),
939 construct_snobuf(source_p->snomask));
940
941 return 0;
942 }
943
944 /* find flags already set for user */
945 setflags = source_p->umodes;
946 setsnomask = source_p->snomask;
947
948 /*
949 * parse mode change string(s)
950 */
951 for (pm = parv[2]; *pm; pm++)
952 switch (*pm)
953 {
954 case '+':
955 what = MODE_ADD;
956 break;
957 case '-':
958 what = MODE_DEL;
959 break;
960
961 case 'o':
962 if(what == MODE_ADD)
963 {
964 if(IsServer(client_p) && !IsOper(source_p))
965 {
966 ++Count.oper;
967 SetOper(source_p);
968 rb_dlinkAddAlloc(source_p, &oper_list);
969 }
970 }
971 else
972 {
973 /* Only decrement the oper counts if an oper to begin with
974 * found by Pat Szuta, Perly , perly@xnet.com
975 */
976
977 if(!IsOper(source_p))
978 break;
979
980 ClearOper(source_p);
981
982 Count.oper--;
983
984 if(MyConnect(source_p))
985 {
986 source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
987 if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0)
988 {
989 source_p->snomask = 0;
990 showsnomask = YES;
991 }
992 source_p->flags2 &= ~OPER_FLAGS;
993
994 rb_free(source_p->localClient->opername);
995 source_p->localClient->opername = NULL;
996
997 rb_dlinkFindDestroy(source_p, &local_oper_list);
998 }
999
1000 rb_dlinkFindDestroy(source_p, &oper_list);
1001 }
1002 break;
1003
1004 /* we may not get these,
1005 * but they shouldnt be in default
1006 */
1007
1008 /* can only be set on burst */
1009 case 'S':
1010 case ' ':
1011 case '\n':
1012 case '\r':
1013 case '\t':
1014 break;
1015
1016 case 's':
1017 if (MyConnect(source_p))
1018 {
1019 if(!IsOper(source_p)
1020 && (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE))
1021 {
1022 if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE)
1023 badflag = YES;
1024 continue;
1025 }
1026 showsnomask = YES;
1027 if(what == MODE_ADD)
1028 {
1029 if (parc > 3)
1030 source_p->snomask = parse_snobuf_to_mask(source_p->snomask, parv[3]);
1031 else
1032 source_p->snomask |= SNO_GENERAL;
1033 }
1034 else
1035 source_p->snomask = 0;
1036 if (source_p->snomask != 0)
1037 source_p->umodes |= UMODE_SERVNOTICE;
1038 else
1039 source_p->umodes &= ~UMODE_SERVNOTICE;
1040 break;
1041 }
1042 /* FALLTHROUGH */
1043 default:
1044 if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward) {
1045 badflag = YES;
1046 break;
1047 }
1048
1049 if((flag = user_modes[(unsigned char) *pm]))
1050 {
1051 if(MyConnect(source_p)
1052 && ((!IsOper(source_p)
1053 && (ConfigFileEntry.oper_only_umodes & flag))
1054 || (orphaned_umodes & flag)))
1055 {
1056 if (what == MODE_ADD || source_p->umodes & flag)
1057 badflag = YES;
1058 }
1059 else
1060 {
1061 if(what == MODE_ADD)
1062 source_p->umodes |= flag;
1063 else
1064 source_p->umodes &= ~flag;
1065 }
1066 }
1067 else
1068 {
1069 if(MyConnect(source_p))
1070 badflag = YES;
1071 }
1072 break;
1073 }
1074
1075 if(badflag)
1076 sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), me.name, source_p->name);
1077
1078 if(MyClient(source_p) && (source_p->snomask & SNO_NCHANGE) && !IsOperN(source_p))
1079 {
1080 sendto_one_notice(source_p, ":*** You need oper and nick_changes flag for +s +n");
1081 source_p->snomask &= ~SNO_NCHANGE; /* only tcm's really need this */
1082 }
1083
1084 if(MyClient(source_p) && (source_p->umodes & UMODE_OPERWALL) && !IsOperOperwall(source_p))
1085 {
1086 sendto_one_notice(source_p, ":*** You need oper and operwall flag for +z");
1087 source_p->umodes &= ~UMODE_OPERWALL;
1088 }
1089
1090 if(MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
1091 (!IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p)))
1092 {
1093 sendto_one_notice(source_p, ":*** You need oper and admin flag for +a");
1094 source_p->umodes &= ~UMODE_ADMIN;
1095 }
1096
1097 /* let modules providing usermodes know that we've changed our usermode --nenolod */
1098 hdata.client = source_p;
1099 hdata.oldumodes = setflags;
1100 hdata.oldsnomask = setsnomask;
1101 call_hook(h_umode_changed, &hdata);
1102
1103 if(!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
1104 ++Count.invisi;
1105 if((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
1106 --Count.invisi;
1107 /*
1108 * compare new flags with old flags and send string which
1109 * will cause servers to update correctly.
1110 */
1111 send_umode_out(client_p, source_p, setflags);
1112 if (showsnomask && MyConnect(source_p))
1113 sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK),
1114 construct_snobuf(source_p->snomask));
1115
1116 return (0);
1117 }
1118
1119 /*
1120 * send the MODE string for user (user) to connection client_p
1121 * -avalon
1122 */
1123 void
1124 send_umode(struct Client *client_p, struct Client *source_p, int old, int sendmask, char *umode_buf)
1125 {
1126 int i;
1127 int flag;
1128 char *m;
1129 int what = 0;
1130
1131 /*
1132 * build a string in umode_buf to represent the change in the user's
1133 * mode between the new (source_p->flag) and 'old'.
1134 */
1135 m = umode_buf;
1136 *m = '\0';
1137
1138 for (i = 0; i < 128; i++)
1139 {
1140 flag = user_modes[i];
1141
1142 if((flag & old) && !(source_p->umodes & flag))
1143 {
1144 if(what == MODE_DEL)
1145 *m++ = (char) i;
1146 else
1147 {
1148 what = MODE_DEL;
1149 *m++ = '-';
1150 *m++ = (char) i;
1151 }
1152 }
1153 else if(!(flag & old) && (source_p->umodes & flag))
1154 {
1155 if(what == MODE_ADD)
1156 *m++ = (char) i;
1157 else
1158 {
1159 what = MODE_ADD;
1160 *m++ = '+';
1161 *m++ = (char) i;
1162 }
1163 }
1164 }
1165 *m = '\0';
1166
1167 if(*umode_buf && client_p)
1168 sendto_one(client_p, ":%s MODE %s :%s", source_p->name, source_p->name, umode_buf);
1169 }
1170
1171 /*
1172 * send_umode_out
1173 *
1174 * inputs -
1175 * output - NONE
1176 * side effects -
1177 */
1178 void
1179 send_umode_out(struct Client *client_p, struct Client *source_p, int old)
1180 {
1181 struct Client *target_p;
1182 char buf[BUFSIZE];
1183 rb_dlink_node *ptr;
1184
1185 send_umode(NULL, source_p, old, 0, buf);
1186
1187 RB_DLINK_FOREACH(ptr, serv_list.head)
1188 {
1189 target_p = ptr->data;
1190
1191 if((target_p != client_p) && (target_p != source_p) && (*buf))
1192 {
1193 sendto_one(target_p, ":%s MODE %s :%s",
1194 get_id(source_p, target_p),
1195 get_id(source_p, target_p), buf);
1196 }
1197 }
1198
1199 if(client_p && MyClient(client_p))
1200 send_umode(client_p, source_p, old, 0, buf);
1201 }
1202
1203 /*
1204 * user_welcome
1205 *
1206 * inputs - client pointer to client to welcome
1207 * output - NONE
1208 * side effects -
1209 */
1210 void
1211 user_welcome(struct Client *source_p)
1212 {
1213 sendto_one_numeric(source_p, RPL_WELCOME, form_str(RPL_WELCOME), ServerInfo.network_name, source_p->name);
1214 sendto_one_numeric(source_p, RPL_YOURHOST, form_str(RPL_YOURHOST),
1215 get_listener_name(source_p->localClient->listener), ircd_version);
1216 sendto_one_numeric(source_p, RPL_CREATED, form_str(RPL_CREATED), creation);
1217 sendto_one_numeric(source_p, RPL_MYINFO, form_str(RPL_MYINFO), me.name, ircd_version, umodebuf);
1218
1219 show_isupport(source_p);
1220
1221 show_lusers(source_p);
1222
1223 if(ConfigFileEntry.short_motd)
1224 {
1225 sendto_one_notice(source_p, ":*** Notice -- motd was last changed at %s", user_motd_changed);
1226 sendto_one_notice(source_p, ":*** Notice -- Please read the motd if you haven't read it");
1227
1228 sendto_one(source_p, form_str(RPL_MOTDSTART),
1229 me.name, source_p->name, me.name);
1230
1231 sendto_one(source_p, form_str(RPL_MOTD),
1232 me.name, source_p->name, "*** This is the short motd ***");
1233
1234 sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, source_p->name);
1235 }
1236 else
1237 send_user_motd(source_p);
1238 }
1239
1240 /* oper_up()
1241 *
1242 * inputs - pointer to given client to oper
1243 * - pointer to ConfItem to use
1244 * output - none
1245 * side effects - opers up source_p using aconf for reference
1246 */
1247 int
1248 oper_up(struct Client *source_p, struct oper_conf *oper_p)
1249 {
1250 unsigned int old = source_p->umodes, oldsnomask = source_p->snomask;
1251 hook_data_umode_changed hdata;
1252
1253 SetOper(source_p);
1254
1255 if(oper_p->umodes)
1256 source_p->umodes |= oper_p->umodes;
1257 else if(ConfigFileEntry.oper_umodes)
1258 source_p->umodes |= ConfigFileEntry.oper_umodes;
1259 else
1260 source_p->umodes |= DEFAULT_OPER_UMODES;
1261
1262 if (oper_p->snomask)
1263 {
1264 source_p->snomask |= oper_p->snomask;
1265 source_p->umodes |= UMODE_SERVNOTICE;
1266 }
1267 else if (source_p->umodes & UMODE_SERVNOTICE)
1268 {
1269 /* Only apply these if +s is already set -- jilles */
1270 if (ConfigFileEntry.oper_snomask)
1271 source_p->snomask |= ConfigFileEntry.oper_snomask;
1272 else
1273 source_p->snomask |= DEFAULT_OPER_SNOMASK;
1274 }
1275
1276 Count.oper++;
1277
1278 SetExemptKline(source_p);
1279
1280 source_p->flags2 |= oper_p->flags;
1281 source_p->localClient->opername = rb_strdup(oper_p->name);
1282
1283 rb_dlinkAddAlloc(source_p, &local_oper_list);
1284 rb_dlinkAddAlloc(source_p, &oper_list);
1285
1286 if(IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
1287 source_p->umodes |= UMODE_ADMIN;
1288 if(!IsOperN(source_p))
1289 source_p->snomask &= ~SNO_NCHANGE;
1290 if(!IsOperOperwall(source_p))
1291 source_p->umodes &= ~UMODE_OPERWALL;
1292 hdata.client = source_p;
1293 hdata.oldumodes = old;
1294 hdata.oldsnomask = oldsnomask;
1295 call_hook(h_umode_changed, &hdata);
1296
1297 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1298 "%s (%s@%s) is now an operator", source_p->name,
1299 source_p->username, source_p->host);
1300 if(!(old & UMODE_INVISIBLE) && IsInvisible(source_p))
1301 ++Count.invisi;
1302 if((old & UMODE_INVISIBLE) && !IsInvisible(source_p))
1303 --Count.invisi;
1304 send_umode_out(source_p, source_p, old);
1305 sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK),
1306 construct_snobuf(source_p->snomask));
1307 sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1308 sendto_one_notice(source_p, ":*** Oper privs are %s", get_oper_privs(oper_p->flags));
1309 send_oper_motd(source_p);
1310
1311 return (1);
1312 }
1313
1314 /*
1315 * find_umode_slot
1316 *
1317 * inputs - NONE
1318 * outputs - an available umode bitmask or
1319 * 0 if no umodes are available
1320 * side effects - NONE
1321 */
1322 unsigned int
1323 find_umode_slot(void)
1324 {
1325 unsigned int all_umodes = 0, my_umode = 0, i;
1326
1327 for (i = 0; i < 128; i++)
1328 all_umodes |= user_modes[i];
1329
1330 for (my_umode = 1; my_umode && (all_umodes & my_umode);
1331 my_umode <<= 1);
1332
1333 return my_umode;
1334 }
1335
1336 void
1337 construct_umodebuf(void)
1338 {
1339 int i;
1340 char *ptr = umodebuf;
1341 static int prev_user_modes[128];
1342
1343 *ptr = '\0';
1344
1345 for (i = 0; i < 128; i++)
1346 {
1347 if (prev_user_modes[i] != 0 && prev_user_modes[i] != user_modes[i])
1348 {
1349 if (user_modes[i] == 0)
1350 {
1351 orphaned_umodes |= prev_user_modes[i];
1352 sendto_realops_snomask(SNO_DEBUG, L_ALL, "Umode +%c is now orphaned", i);
1353 }
1354 else
1355 {
1356 orphaned_umodes &= ~prev_user_modes[i];
1357 sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned umode +%c is picked up by module", i);
1358 }
1359 user_modes[i] = prev_user_modes[i];
1360 }
1361 else
1362 prev_user_modes[i] = user_modes[i];
1363 if (user_modes[i])
1364 *ptr++ = (char) i;
1365 }
1366
1367 *ptr++ = '\0';
1368 }
1369
1370 void
1371 change_nick_user_host(struct Client *target_p, const char *nick, const char *user,
1372 const char *host, int newts, char *format, ...)
1373 {
1374 rb_dlink_node *ptr;
1375 struct Channel *chptr;
1376 struct membership *mscptr;
1377 int changed = irccmp(target_p->name, nick);
1378 int changed_case = strcmp(target_p->name, nick);
1379 int do_qjm = irccmp(target_p->username, user) || irccmp(target_p->host, host);
1380 char mode[10], modeval[NICKLEN * 2 + 2], reason[256], *mptr;
1381 va_list ap;
1382
1383 modeval[0] = '\0';
1384
1385 if(changed)
1386 {
1387 target_p->tsinfo = newts;
1388 monitor_signoff(target_p);
1389 }
1390 invalidate_bancache_user(target_p);
1391
1392 if(do_qjm)
1393 {
1394 va_start(ap, format);
1395 vsnprintf(reason, 255, format, ap);
1396 va_end(ap);
1397
1398 sendto_common_channels_local_butone(target_p, ":%s!%s@%s QUIT :%s",
1399 target_p->name, target_p->username, target_p->host,
1400 reason);
1401
1402 RB_DLINK_FOREACH(ptr, target_p->user->channel.head)
1403 {
1404 mscptr = ptr->data;
1405 chptr = mscptr->chptr;
1406 mptr = mode;
1407
1408 if(is_chanop(mscptr))
1409 {
1410 *mptr++ = 'o';
1411 strcat(modeval, nick);
1412 strcat(modeval, " ");
1413 }
1414
1415 if(is_voiced(mscptr))
1416 {
1417 *mptr++ = 'v';
1418 strcat(modeval, nick);
1419 }
1420
1421 *mptr = '\0';
1422
1423 sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s",
1424 nick, user, host, chptr->chname);
1425 if(*mode)
1426 sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr,
1427 ":%s MODE %s +%s %s",
1428 target_p->servptr->name,
1429 chptr->chname, mode, modeval);
1430
1431 *modeval = '\0';
1432 }
1433
1434 if(MyClient(target_p) && changed_case)
1435 sendto_one(target_p, ":%s!%s@%s NICK %s",
1436 target_p->name, target_p->username, target_p->host, nick);
1437 }
1438 else if(changed_case)
1439 {
1440 sendto_common_channels_local(target_p, ":%s!%s@%s NICK :%s",
1441 target_p->name, target_p->username,
1442 target_p->host, nick);
1443 }
1444
1445 strlcpy(target_p->username, user, sizeof target_p->username);
1446 strlcpy(target_p->host, host, sizeof target_p->host);
1447
1448 if (changed)
1449 add_history(target_p, 1);
1450
1451 del_from_client_hash(target_p->name, target_p);
1452 strlcpy(target_p->name, nick, NICKLEN);
1453 add_to_client_hash(target_p->name, target_p);
1454
1455 if(changed)
1456 {
1457 monitor_signon(target_p);
1458 del_all_accepts(target_p);
1459 }
1460 }
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