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