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212380e3 | 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 | * | |
0a61720a | 24 | * $Id: s_user.c 3586 2007-11-20 11:16:43Z nenolod $ |
212380e3 | 25 | */ |
26 | ||
27 | #include "stdinc.h" | |
212380e3 | 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" | |
13ae2f4b | 34 | #include "match.h" |
212380e3 | 35 | #include "ircd.h" |
36 | #include "listener.h" | |
37 | #include "msg.h" | |
38 | #include "numeric.h" | |
212380e3 | 39 | #include "s_conf.h" |
40 | #include "s_newconf.h" | |
d3455e2c | 41 | #include "logger.h" |
212380e3 | 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" | |
212380e3 | 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" | |
92fb5c31 | 55 | #include "substitution.h" |
2392eb24 | 56 | #include "chmode.h" |
212380e3 | 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 | ||
a8086a7c | 65 | static int orphaned_umodes = 0; |
212380e3 | 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 */ | |
16cb94cc | 97 | UMODE_SSLCLIENT, /* Z */ |
212380e3 | 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 | { | |
af81d5a0 WP |
147 | if(rb_dlink_list_length(&lclient_list) > (unsigned long)MaxClientCount) |
148 | MaxClientCount = rb_dlink_list_length(&lclient_list); | |
2f15f871 | 149 | |
af81d5a0 | 150 | if((rb_dlink_list_length(&lclient_list) + rb_dlink_list_length(&serv_list)) > |
2f15f871 | 151 | (unsigned long)MaxConnectionCount) |
af81d5a0 WP |
152 | MaxConnectionCount = rb_dlink_list_length(&lclient_list) + |
153 | rb_dlink_list_length(&serv_list); | |
2f15f871 | 154 | |
212380e3 | 155 | sendto_one_numeric(source_p, RPL_LUSERCLIENT, form_str(RPL_LUSERCLIENT), |
156 | (Count.total - Count.invisi), | |
af81d5a0 | 157 | Count.invisi, rb_dlink_list_length(&global_serv_list)); |
212380e3 | 158 | |
af81d5a0 | 159 | if(rb_dlink_list_length(&oper_list) > 0) |
212380e3 | 160 | sendto_one_numeric(source_p, RPL_LUSEROP, |
af81d5a0 | 161 | form_str(RPL_LUSEROP), rb_dlink_list_length(&oper_list)); |
212380e3 | 162 | |
af81d5a0 | 163 | if(rb_dlink_list_length(&unknown_list) > 0) |
212380e3 | 164 | sendto_one_numeric(source_p, RPL_LUSERUNKNOWN, |
165 | form_str(RPL_LUSERUNKNOWN), | |
af81d5a0 | 166 | rb_dlink_list_length(&unknown_list)); |
212380e3 | 167 | |
af81d5a0 | 168 | if(rb_dlink_list_length(&global_channel_list) > 0) |
212380e3 | 169 | sendto_one_numeric(source_p, RPL_LUSERCHANNELS, |
170 | form_str(RPL_LUSERCHANNELS), | |
af81d5a0 | 171 | rb_dlink_list_length(&global_channel_list)); |
212380e3 | 172 | |
173 | sendto_one_numeric(source_p, RPL_LUSERME, form_str(RPL_LUSERME), | |
af81d5a0 WP |
174 | rb_dlink_list_length(&lclient_list), |
175 | rb_dlink_list_length(&serv_list)); | |
212380e3 | 176 | |
177 | sendto_one_numeric(source_p, RPL_LOCALUSERS, | |
178 | form_str(RPL_LOCALUSERS), | |
af81d5a0 | 179 | rb_dlink_list_length(&lclient_list), |
212380e3 | 180 | Count.max_loc, |
af81d5a0 | 181 | rb_dlink_list_length(&lclient_list), |
212380e3 | 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 | ||
212380e3 | 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 | { | |
35f6f850 | 223 | struct ConfItem *aconf, *xconf; |
212380e3 | 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 | } | |
2d2c402d | 250 | if(!(source_p->flags & FLAGS_PING_COOKIE)) |
212380e3 | 251 | { |
252 | return -1; | |
253 | } | |
254 | } | |
255 | ||
256 | /* hasnt finished client cap negotiation */ | |
2d2c402d | 257 | if(source_p->flags & FLAGS_CLICAP) |
212380e3 | 258 | return -1; |
259 | ||
260 | /* still has DNSbls to validate against */ | |
af81d5a0 | 261 | if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0) |
212380e3 | 262 | return -1; |
263 | ||
9f6bbe3c | 264 | client_p->localClient->last = rb_current_time(); |
212380e3 | 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 | { | |
73897182 WP |
293 | char note[NICKLEN + 10]; |
294 | ||
212380e3 | 295 | del_from_client_hash(source_p->name, source_p); |
907468c4 | 296 | rb_strlcpy(source_p->name, source_p->preClient->spoofnick, NICKLEN + 1); |
212380e3 | 297 | add_to_client_hash(source_p->name, source_p); |
73897182 WP |
298 | |
299 | rb_snprintf(note, NICKLEN + 10, "Nick: %s", source_p->name); | |
300 | rb_note(source_p->localClient->F, note); | |
212380e3 | 301 | } |
302 | ||
303 | if(!valid_hostname(source_p->host)) | |
304 | { | |
5366977b | 305 | sendto_one_notice(source_p, ":*** Notice -- You have an illegal character in your hostname"); |
212380e3 | 306 | |
907468c4 | 307 | rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host)); |
212380e3 | 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 | { | |
83251205 | 326 | ServerStats.is_ref++; |
5366977b | 327 | sendto_one_notice(source_p, ":*** Notice -- You need to install identd to use this server"); |
212380e3 | 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 | { | |
83251205 | 353 | ServerStats.is_ref++; |
5366977b | 354 | sendto_one_notice(source_p, ":*** Notice -- You need to identify via SASL to use this server"); |
212380e3 | 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 | { | |
83251205 | 373 | ServerStats.is_ref++; |
212380e3 | 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)); | |
90a3c35b | 384 | rb_free(source_p->localClient->passwd); |
212380e3 | 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 */ | |
af81d5a0 | 401 | if(rb_dlink_list_length(&lclient_list) >= |
7506208c | 402 | (unsigned long)GlobalSetOptions.maxclients && !IsConfExemptLimits(aconf)) |
212380e3 | 403 | { |
404 | sendto_realops_snomask(SNO_FULL, L_ALL, | |
405 | "Too many clients, rejecting %s[%s].", source_p->name, source_p->host); | |
406 | ||
83251205 | 407 | ServerStats.is_ref++; |
212380e3 | 408 | exit_client(client_p, source_p, &me, "Sorry, server is full - try later"); |
409 | return (CLIENT_EXITED); | |
410 | } | |
411 | ||
212380e3 | 412 | /* kline exemption extends to xline too */ |
413 | if(!IsExemptKline(source_p) && | |
35f6f850 | 414 | (xconf = find_xline(source_p->info, 1)) != NULL) |
212380e3 | 415 | { |
83251205 | 416 | ServerStats.is_ref++; |
21c9d815 | 417 | add_reject(source_p, xconf->name, NULL); |
212380e3 | 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 | { | |
af81d5a0 | 430 | rb_dlink_list varlist = { NULL, NULL, 0 }; |
92fb5c31 | 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 | ||
83251205 | 438 | ServerStats.is_ref++; |
92fb5c31 | 439 | |
212380e3 | 440 | sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP), |
441 | me.name, source_p->name, | |
92fb5c31 | 442 | substitution_parse(source_p->preClient->dnsbl_listed->reject_reason, &varlist)); |
443 | ||
444 | substitution_free(&varlist); | |
445 | ||
212380e3 | 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++; | |
21c9d815 | 449 | add_reject(source_p, NULL, NULL); |
212380e3 | 450 | exit_client(client_p, source_p, &me, "*** Banned (DNS blacklist)"); |
451 | return CLIENT_EXITED; | |
452 | } | |
453 | } | |
454 | ||
0734f634 | 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); | |
83251205 | 462 | ServerStats.is_ref++; |
cc32202d | 463 | sendto_one_notice(source_p, ":*** Your username is invalid. Please make sure that your username contains " |
464 | "only alphanumeric characters."); | |
38e6acdd | 465 | rb_sprintf(tmpstr2, "Invalid username [%s]", source_p->username); |
0734f634 | 466 | exit_client(client_p, source_p, &me, tmpstr2); |
467 | return (CLIENT_EXITED); | |
468 | } | |
469 | ||
470 | /* end of valid user name check */ | |
471 | ||
212380e3 | 472 | /* Store original hostname -- jilles */ |
907468c4 | 473 | rb_strlcpy(source_p->orighost, source_p->host, HOSTLEN + 1); |
212380e3 | 474 | |
475 | /* Spoof user@host */ | |
476 | if(*source_p->preClient->spoofuser) | |
907468c4 | 477 | rb_strlcpy(source_p->username, source_p->preClient->spoofuser, USERLEN + 1); |
212380e3 | 478 | if(*source_p->preClient->spoofhost) |
479 | { | |
907468c4 | 480 | rb_strlcpy(source_p->host, source_p->preClient->spoofhost, HOSTLEN + 1); |
212380e3 | 481 | if (irccmp(source_p->host, source_p->orighost)) |
482 | SetDynSpoof(source_p); | |
483 | } | |
484 | ||
e2b44358 | 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)) | |
212380e3 | 492 | return CLIENT_EXITED; |
493 | ||
e2b44358 | 494 | /* To avoid inconsistencies, do not abort the registration |
495 | * starting from this point -- jilles | |
496 | */ | |
9879cd59 | 497 | rb_inet_ntop_sock((struct sockaddr *)&source_p->localClient->ip, ipaddr, sizeof(ipaddr)); |
212380e3 | 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 | ||
212380e3 | 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 | ||
16cb94cc WP |
525 | if (IsSSL(source_p)) |
526 | source_p->umodes |= UMODE_SSLCLIENT; | |
527 | ||
212380e3 | 528 | if (source_p->umodes & UMODE_INVISIBLE) |
529 | Count.invisi++; | |
530 | ||
531 | s_assert(!IsClient(source_p)); | |
21c9d815 | 532 | del_unknown_ip(source_p); |
af81d5a0 | 533 | rb_dlinkMoveNode(&source_p->localClient->tnode, &unknown_list, &lclient_list); |
212380e3 | 534 | SetClient(source_p); |
535 | ||
0a61720a | 536 | source_p->servptr = &me; |
af81d5a0 | 537 | rb_dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users); |
0a61720a | 538 | |
212380e3 | 539 | /* Increment our total user count here */ |
540 | if(++Count.total > Count.max_tot) | |
541 | Count.max_tot = Count.total; | |
0a61720a | 542 | |
212380e3 | 543 | source_p->localClient->allow_read = MAX_FLOOD_BURST; |
544 | ||
545 | Count.totalrestartcount++; | |
546 | ||
547 | s_assert(source_p->localClient != NULL); | |
548 | ||
af81d5a0 | 549 | if(rb_dlink_list_length(&lclient_list) > (unsigned long)Count.max_loc) |
212380e3 | 550 | { |
af81d5a0 | 551 | Count.max_loc = rb_dlink_list_length(&lclient_list); |
212380e3 | 552 | if(!(Count.max_loc % 10)) |
553 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
554 | "New Max Local Clients: %d", Count.max_loc); | |
555 | } | |
556 | ||
557 | /* they get a reduced limit */ | |
558 | if(find_tgchange(source_p->sockhost)) | |
559 | USED_TARGETS(source_p) = 6; | |
560 | ||
212380e3 | 561 | monitor_signon(source_p); |
562 | user_welcome(source_p); | |
563 | ||
564 | free_pre_client(source_p); | |
565 | ||
566 | return (introduce_client(client_p, source_p, user, source_p->name, 1)); | |
567 | } | |
568 | ||
569 | /* | |
570 | * introduce_clients | |
571 | * | |
572 | * inputs - | |
573 | * output - | |
574 | * side effects - This common function introduces a client to the rest | |
575 | * of the net, either from a local client connect or | |
576 | * from a remote connect. | |
577 | */ | |
578 | int | |
579 | introduce_client(struct Client *client_p, struct Client *source_p, struct User *user, const char *nick, int use_euid) | |
580 | { | |
581 | static char ubuf[12]; | |
582 | struct Client *identifyservice_p; | |
583 | char *p; | |
584 | hook_data_umode_changed hdata; | |
585 | hook_data_client hdata2; | |
a4857d78 | 586 | char sockhost[HOSTLEN]; |
212380e3 | 587 | |
588 | if(MyClient(source_p)) | |
589 | send_umode(source_p, source_p, 0, 0, ubuf); | |
590 | else | |
591 | send_umode(NULL, source_p, 0, 0, ubuf); | |
592 | ||
593 | if(!*ubuf) | |
594 | { | |
595 | ubuf[0] = '+'; | |
596 | ubuf[1] = '\0'; | |
597 | } | |
598 | ||
a4857d78 WP |
599 | s_assert(has_id(source_p)); |
600 | ||
601 | if(source_p->sockhost[0] == ':') | |
212380e3 | 602 | { |
a4857d78 WP |
603 | sockhost[0] = '0'; |
604 | sockhost[1] = '\0'; | |
605 | rb_strlcat(sockhost, source_p->sockhost, sizeof(sockhost)); | |
606 | } else | |
607 | strcpy(sockhost, source_p->sockhost); | |
212380e3 | 608 | |
a4857d78 WP |
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); | |
212380e3 | 630 | |
631 | if (IsDynSpoof(source_p)) | |
632 | { | |
633 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * REALHOST %s", | |
634 | use_id(source_p), source_p->orighost); | |
212380e3 | 635 | } |
a4857d78 | 636 | |
212380e3 | 637 | if (!EmptyString(source_p->user->suser)) |
638 | { | |
639 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * LOGIN %s", | |
640 | use_id(source_p), source_p->user->suser); | |
212380e3 | 641 | } |
642 | ||
643 | if(MyConnect(source_p) && source_p->localClient->passwd) | |
644 | { | |
645 | if (ConfigFileEntry.identifyservice[0] != '\0' && | |
646 | ConfigFileEntry.identifycommand[0] != '\0') | |
647 | { | |
648 | /* use user@server */ | |
649 | p = strchr(ConfigFileEntry.identifyservice, '@'); | |
650 | if (p != NULL) | |
651 | identifyservice_p = find_named_client(p + 1); | |
652 | else | |
653 | identifyservice_p = NULL; | |
654 | if (identifyservice_p != NULL) | |
655 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s", | |
656 | get_id(source_p, identifyservice_p), | |
657 | ConfigFileEntry.identifyservice, | |
658 | ConfigFileEntry.identifycommand, | |
659 | source_p->localClient->passwd); | |
660 | } | |
661 | memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd)); | |
90a3c35b | 662 | rb_free(source_p->localClient->passwd); |
212380e3 | 663 | source_p->localClient->passwd = NULL; |
664 | } | |
665 | ||
666 | /* let modules providing usermodes know that we've got a new user, | |
667 | * why is this here? -- well, some modules need to be able to send out new | |
668 | * information about a client, so this was the best place to do it | |
669 | * --nenolod | |
670 | */ | |
671 | hdata.client = source_p; | |
672 | hdata.oldumodes = 0; | |
673 | hdata.oldsnomask = 0; | |
674 | call_hook(h_umode_changed, &hdata); | |
675 | ||
676 | /* On the other hand, some modules need to know when a client is | |
677 | * being introduced, period. | |
678 | * --gxti | |
679 | */ | |
680 | hdata2.client = client_p; | |
681 | hdata2.target = source_p; | |
682 | call_hook(h_introduce_client, &hdata2); | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | /* | |
688 | * valid_hostname - check hostname for validity | |
689 | * | |
690 | * Inputs - pointer to user | |
691 | * Output - YES if valid, NO if not | |
692 | * Side effects - NONE | |
693 | * | |
694 | * NOTE: this doesn't allow a hostname to begin with a dot and | |
695 | * will not allow more dots than chars. | |
696 | */ | |
697 | int | |
698 | valid_hostname(const char *hostname) | |
699 | { | |
700 | const char *p = hostname; | |
701 | int found_sep = 0; | |
702 | ||
703 | s_assert(NULL != p); | |
704 | ||
705 | if(hostname == NULL) | |
706 | return NO; | |
707 | ||
708 | if('.' == *p || ':' == *p) | |
709 | return NO; | |
710 | ||
711 | while (*p) | |
712 | { | |
713 | if(!IsHostChar(*p)) | |
714 | return NO; | |
715 | if(*p == '.' || *p == ':') | |
716 | found_sep++; | |
717 | p++; | |
718 | } | |
719 | ||
720 | if(found_sep == 0) | |
721 | return(NO); | |
722 | ||
723 | return (YES); | |
724 | } | |
725 | ||
726 | /* | |
727 | * valid_username - check username for validity | |
728 | * | |
729 | * Inputs - pointer to user | |
730 | * Output - YES if valid, NO if not | |
731 | * Side effects - NONE | |
732 | * | |
733 | * Absolutely always reject any '*' '!' '?' '@' in an user name | |
734 | * reject any odd control characters names. | |
735 | * Allow '.' in username to allow for "first.last" | |
736 | * style of username | |
737 | */ | |
738 | int | |
739 | valid_username(const char *username) | |
740 | { | |
741 | int dots = 0; | |
742 | const char *p = username; | |
743 | ||
744 | s_assert(NULL != p); | |
745 | ||
746 | if(username == NULL) | |
747 | return NO; | |
748 | ||
749 | if('~' == *p) | |
750 | ++p; | |
751 | ||
752 | /* reject usernames that don't start with an alphanum | |
753 | * i.e. reject jokers who have '-@somehost' or '.@somehost' | |
754 | * or "-hi-@somehost", "h-----@somehost" would still be accepted. | |
755 | */ | |
756 | if(!IsAlNum(*p)) | |
757 | return NO; | |
758 | ||
759 | while (*++p) | |
760 | { | |
761 | if((*p == '.') && ConfigFileEntry.dots_in_ident) | |
762 | { | |
763 | dots++; | |
764 | if(dots > ConfigFileEntry.dots_in_ident) | |
765 | return NO; | |
766 | if(!IsUserChar(p[1])) | |
767 | return NO; | |
768 | } | |
769 | else if(!IsUserChar(*p)) | |
770 | return NO; | |
771 | } | |
772 | return YES; | |
773 | } | |
774 | ||
775 | /* report_and_set_user_flags | |
776 | * | |
777 | * Inputs - pointer to source_p | |
778 | * - pointer to aconf for this user | |
779 | * Output - NONE | |
780 | * Side effects - | |
781 | * Report to user any special flags they are getting, and set them. | |
782 | */ | |
783 | ||
784 | static void | |
785 | report_and_set_user_flags(struct Client *source_p, struct ConfItem *aconf) | |
786 | { | |
787 | /* If this user is being spoofed, tell them so */ | |
788 | if(IsConfDoSpoofIp(aconf)) | |
789 | { | |
5366977b | 790 | sendto_one_notice(source_p, ":*** Spoofing your IP. congrats."); |
212380e3 | 791 | } |
792 | ||
793 | /* If this user is in the exception class, Set it "E lined" */ | |
794 | if(IsConfExemptKline(aconf)) | |
795 | { | |
796 | SetExemptKline(source_p); | |
f8a44ea2 | 797 | sendto_one_notice(source_p, ":*** You are exempt from K/X lines. congrats."); |
212380e3 | 798 | } |
799 | ||
212380e3 | 800 | if(IsConfExemptDNSBL(aconf)) |
801 | /* kline exempt implies this, don't send both */ | |
802 | if(!IsConfExemptKline(aconf)) | |
5366977b | 803 | sendto_one_notice(source_p, ":*** You are exempt from DNS blacklists."); |
212380e3 | 804 | |
805 | /* If this user is exempt from user limits set it F lined" */ | |
806 | if(IsConfExemptLimits(aconf)) | |
807 | { | |
d1264ac8 | 808 | sendto_one_notice(source_p, ":*** You are exempt from user limits. congrats."); |
212380e3 | 809 | } |
810 | ||
212380e3 | 811 | if(IsConfExemptFlood(aconf)) |
812 | { | |
813 | SetExemptFlood(source_p); | |
5366977b | 814 | sendto_one_notice(source_p, ":*** You are exempt from flood limits."); |
212380e3 | 815 | } |
816 | ||
817 | if(IsConfExemptSpambot(aconf)) | |
818 | { | |
819 | SetExemptSpambot(source_p); | |
5366977b | 820 | sendto_one_notice(source_p, ":*** You are exempt from spambot checks."); |
212380e3 | 821 | } |
822 | ||
823 | if(IsConfExemptJupe(aconf)) | |
824 | { | |
825 | SetExemptJupe(source_p); | |
5366977b | 826 | sendto_one_notice(source_p, ":*** You are exempt from juped channel warnings."); |
212380e3 | 827 | } |
828 | ||
829 | if(IsConfExemptResv(aconf)) | |
830 | { | |
831 | SetExemptResv(source_p); | |
5366977b | 832 | sendto_one_notice(source_p, ":*** You are exempt from resvs."); |
212380e3 | 833 | } |
834 | ||
835 | if(IsConfExemptShide(aconf)) | |
836 | { | |
837 | SetExemptShide(source_p); | |
5366977b | 838 | sendto_one_notice(source_p, ":*** You are exempt from serverhiding."); |
212380e3 | 839 | } |
840 | } | |
841 | ||
842 | /* | |
843 | * user_mode - set get current users mode | |
844 | * | |
845 | * m_umode() added 15/10/91 By Darren Reed. | |
846 | * parv[0] - sender | |
847 | * parv[1] - username to change mode for | |
848 | * parv[2] - modes to change | |
849 | */ | |
850 | int | |
851 | user_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
852 | { | |
853 | int flag; | |
854 | int i; | |
855 | char *m; | |
856 | const char *pm; | |
857 | struct Client *target_p; | |
858 | int what, setflags; | |
859 | int badflag = NO; /* Only send one bad flag notice */ | |
860 | int showsnomask = NO; | |
861 | unsigned int setsnomask; | |
862 | char buf[BUFSIZE]; | |
863 | hook_data_umode_changed hdata; | |
864 | ||
865 | what = MODE_ADD; | |
866 | ||
867 | if(parc < 2) | |
868 | { | |
869 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "MODE"); | |
870 | return 0; | |
871 | } | |
872 | ||
873 | if((target_p = MyClient(source_p) ? find_named_person(parv[1]) : find_person(parv[1])) == NULL) | |
874 | { | |
875 | if(MyConnect(source_p)) | |
876 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
877 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
878 | return 0; | |
879 | } | |
880 | ||
881 | /* Dont know why these were commented out.. | |
882 | * put them back using new sendto() funcs | |
883 | */ | |
884 | ||
885 | if(IsServer(source_p)) | |
886 | { | |
887 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, | |
888 | "*** Mode for User %s from %s", parv[1], source_p->name); | |
889 | return 0; | |
890 | } | |
891 | ||
892 | if(source_p != target_p || target_p->from != source_p->from) | |
893 | { | |
894 | sendto_one(source_p, form_str(ERR_USERSDONTMATCH), me.name, source_p->name); | |
895 | return 0; | |
896 | } | |
897 | ||
898 | if(parc < 3) | |
899 | { | |
900 | m = buf; | |
901 | *m++ = '+'; | |
902 | ||
903 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
904 | if (source_p->umodes & user_modes[i]) | |
905 | *m++ = (char) i; | |
906 | ||
907 | *m = '\0'; | |
e8a2d50d | 908 | sendto_one_numeric(source_p, RPL_UMODEIS, form_str(RPL_UMODEIS), buf); |
88520303 | 909 | |
212380e3 | 910 | if (source_p->snomask != 0) |
88520303 | 911 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 912 | construct_snobuf(source_p->snomask)); |
88520303 | 913 | |
212380e3 | 914 | return 0; |
915 | } | |
916 | ||
917 | /* find flags already set for user */ | |
918 | setflags = source_p->umodes; | |
919 | setsnomask = source_p->snomask; | |
920 | ||
921 | /* | |
922 | * parse mode change string(s) | |
923 | */ | |
924 | for (pm = parv[2]; *pm; pm++) | |
925 | switch (*pm) | |
926 | { | |
927 | case '+': | |
928 | what = MODE_ADD; | |
929 | break; | |
930 | case '-': | |
931 | what = MODE_DEL; | |
932 | break; | |
933 | ||
934 | case 'o': | |
935 | if(what == MODE_ADD) | |
936 | { | |
937 | if(IsServer(client_p) && !IsOper(source_p)) | |
938 | { | |
939 | ++Count.oper; | |
940 | SetOper(source_p); | |
af81d5a0 | 941 | rb_dlinkAddAlloc(source_p, &oper_list); |
212380e3 | 942 | } |
943 | } | |
944 | else | |
945 | { | |
946 | /* Only decrement the oper counts if an oper to begin with | |
947 | * found by Pat Szuta, Perly , perly@xnet.com | |
948 | */ | |
949 | ||
950 | if(!IsOper(source_p)) | |
951 | break; | |
952 | ||
953 | ClearOper(source_p); | |
954 | ||
955 | Count.oper--; | |
956 | ||
957 | if(MyConnect(source_p)) | |
958 | { | |
959 | source_p->umodes &= ~ConfigFileEntry.oper_only_umodes; | |
960 | if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0) | |
961 | { | |
962 | source_p->snomask = 0; | |
963 | showsnomask = YES; | |
964 | } | |
965 | source_p->flags2 &= ~OPER_FLAGS; | |
966 | ||
90a3c35b | 967 | rb_free(source_p->localClient->opername); |
212380e3 | 968 | source_p->localClient->opername = NULL; |
969 | ||
af81d5a0 | 970 | rb_dlinkFindDestroy(source_p, &local_oper_list); |
212380e3 | 971 | } |
972 | ||
af81d5a0 | 973 | rb_dlinkFindDestroy(source_p, &oper_list); |
212380e3 | 974 | } |
975 | break; | |
976 | ||
977 | /* we may not get these, | |
978 | * but they shouldnt be in default | |
979 | */ | |
980 | ||
981 | /* can only be set on burst */ | |
982 | case 'S': | |
16cb94cc | 983 | case 'Z': |
212380e3 | 984 | case ' ': |
985 | case '\n': | |
986 | case '\r': | |
987 | case '\t': | |
988 | break; | |
989 | ||
990 | case 's': | |
991 | if (MyConnect(source_p)) | |
992 | { | |
993 | if(!IsOper(source_p) | |
994 | && (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE)) | |
995 | { | |
996 | if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE) | |
997 | badflag = YES; | |
998 | continue; | |
999 | } | |
1000 | showsnomask = YES; | |
1001 | if(what == MODE_ADD) | |
1002 | { | |
1003 | if (parc > 3) | |
1004 | source_p->snomask = parse_snobuf_to_mask(source_p->snomask, parv[3]); | |
1005 | else | |
1006 | source_p->snomask |= SNO_GENERAL; | |
1007 | } | |
1008 | else | |
1009 | source_p->snomask = 0; | |
1010 | if (source_p->snomask != 0) | |
1011 | source_p->umodes |= UMODE_SERVNOTICE; | |
1012 | else | |
1013 | source_p->umodes &= ~UMODE_SERVNOTICE; | |
1014 | break; | |
1015 | } | |
1016 | /* FALLTHROUGH */ | |
1017 | default: | |
1018 | if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward) { | |
1019 | badflag = YES; | |
1020 | break; | |
1021 | } | |
1022 | ||
1023 | if((flag = user_modes[(unsigned char) *pm])) | |
1024 | { | |
1025 | if(MyConnect(source_p) | |
a8086a7c | 1026 | && ((!IsOper(source_p) |
1027 | && (ConfigFileEntry.oper_only_umodes & flag)) | |
1028 | || (orphaned_umodes & flag))) | |
212380e3 | 1029 | { |
1030 | if (what == MODE_ADD || source_p->umodes & flag) | |
1031 | badflag = YES; | |
1032 | } | |
1033 | else | |
1034 | { | |
1035 | if(what == MODE_ADD) | |
1036 | source_p->umodes |= flag; | |
1037 | else | |
1038 | source_p->umodes &= ~flag; | |
1039 | } | |
1040 | } | |
1041 | else | |
1042 | { | |
1043 | if(MyConnect(source_p)) | |
1044 | badflag = YES; | |
1045 | } | |
1046 | break; | |
1047 | } | |
1048 | ||
1049 | if(badflag) | |
1050 | sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), me.name, source_p->name); | |
1051 | ||
1052 | if(MyClient(source_p) && (source_p->snomask & SNO_NCHANGE) && !IsOperN(source_p)) | |
1053 | { | |
d180319a | 1054 | sendto_one_notice(source_p, ":*** You need oper and nick_changes flag for +s +n"); |
212380e3 | 1055 | source_p->snomask &= ~SNO_NCHANGE; /* only tcm's really need this */ |
1056 | } | |
1057 | ||
1058 | if(MyClient(source_p) && (source_p->umodes & UMODE_OPERWALL) && !IsOperOperwall(source_p)) | |
1059 | { | |
5366977b | 1060 | sendto_one_notice(source_p, ":*** You need oper and operwall flag for +z"); |
212380e3 | 1061 | source_p->umodes &= ~UMODE_OPERWALL; |
1062 | } | |
1063 | ||
1064 | if(MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) && | |
1065 | (!IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))) | |
1066 | { | |
d180319a | 1067 | sendto_one_notice(source_p, ":*** You need oper and admin flag for +a"); |
212380e3 | 1068 | source_p->umodes &= ~UMODE_ADMIN; |
1069 | } | |
1070 | ||
1071 | /* let modules providing usermodes know that we've changed our usermode --nenolod */ | |
1072 | hdata.client = source_p; | |
1073 | hdata.oldumodes = setflags; | |
1074 | hdata.oldsnomask = setsnomask; | |
1075 | call_hook(h_umode_changed, &hdata); | |
1076 | ||
1077 | if(!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p)) | |
1078 | ++Count.invisi; | |
1079 | if((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1080 | --Count.invisi; | |
1081 | /* | |
1082 | * compare new flags with old flags and send string which | |
1083 | * will cause servers to update correctly. | |
1084 | */ | |
1085 | send_umode_out(client_p, source_p, setflags); | |
1086 | if (showsnomask && MyConnect(source_p)) | |
88520303 | 1087 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 1088 | construct_snobuf(source_p->snomask)); |
1089 | ||
1090 | return (0); | |
1091 | } | |
1092 | ||
1093 | /* | |
1094 | * send the MODE string for user (user) to connection client_p | |
1095 | * -avalon | |
1096 | */ | |
1097 | void | |
1098 | send_umode(struct Client *client_p, struct Client *source_p, int old, int sendmask, char *umode_buf) | |
1099 | { | |
1100 | int i; | |
1101 | int flag; | |
1102 | char *m; | |
1103 | int what = 0; | |
1104 | ||
1105 | /* | |
1106 | * build a string in umode_buf to represent the change in the user's | |
1107 | * mode between the new (source_p->flag) and 'old'. | |
1108 | */ | |
1109 | m = umode_buf; | |
1110 | *m = '\0'; | |
1111 | ||
1112 | for (i = 0; i < 128; i++) | |
1113 | { | |
1114 | flag = user_modes[i]; | |
1115 | ||
1116 | if((flag & old) && !(source_p->umodes & flag)) | |
1117 | { | |
1118 | if(what == MODE_DEL) | |
1119 | *m++ = (char) i; | |
1120 | else | |
1121 | { | |
1122 | what = MODE_DEL; | |
1123 | *m++ = '-'; | |
1124 | *m++ = (char) i; | |
1125 | } | |
1126 | } | |
1127 | else if(!(flag & old) && (source_p->umodes & flag)) | |
1128 | { | |
1129 | if(what == MODE_ADD) | |
1130 | *m++ = (char) i; | |
1131 | else | |
1132 | { | |
1133 | what = MODE_ADD; | |
1134 | *m++ = '+'; | |
1135 | *m++ = (char) i; | |
1136 | } | |
1137 | } | |
1138 | } | |
1139 | *m = '\0'; | |
1140 | ||
1141 | if(*umode_buf && client_p) | |
1142 | sendto_one(client_p, ":%s MODE %s :%s", source_p->name, source_p->name, umode_buf); | |
1143 | } | |
1144 | ||
1145 | /* | |
1146 | * send_umode_out | |
1147 | * | |
1148 | * inputs - | |
1149 | * output - NONE | |
1150 | * side effects - | |
1151 | */ | |
1152 | void | |
1153 | send_umode_out(struct Client *client_p, struct Client *source_p, int old) | |
1154 | { | |
1155 | struct Client *target_p; | |
1156 | char buf[BUFSIZE]; | |
af81d5a0 | 1157 | rb_dlink_node *ptr; |
212380e3 | 1158 | |
1159 | send_umode(NULL, source_p, old, 0, buf); | |
1160 | ||
8e69bb4e | 1161 | RB_DLINK_FOREACH(ptr, serv_list.head) |
212380e3 | 1162 | { |
1163 | target_p = ptr->data; | |
1164 | ||
1165 | if((target_p != client_p) && (target_p != source_p) && (*buf)) | |
1166 | { | |
1167 | sendto_one(target_p, ":%s MODE %s :%s", | |
1168 | get_id(source_p, target_p), | |
1169 | get_id(source_p, target_p), buf); | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | if(client_p && MyClient(client_p)) | |
1174 | send_umode(client_p, source_p, old, 0, buf); | |
1175 | } | |
1176 | ||
1177 | /* | |
1178 | * user_welcome | |
1179 | * | |
1180 | * inputs - client pointer to client to welcome | |
1181 | * output - NONE | |
1182 | * side effects - | |
1183 | */ | |
1184 | void | |
1185 | user_welcome(struct Client *source_p) | |
1186 | { | |
88520303 | 1187 | sendto_one_numeric(source_p, RPL_WELCOME, form_str(RPL_WELCOME), ServerInfo.network_name, source_p->name); |
1188 | sendto_one_numeric(source_p, RPL_YOURHOST, form_str(RPL_YOURHOST), | |
212380e3 | 1189 | get_listener_name(source_p->localClient->listener), ircd_version); |
88520303 | 1190 | sendto_one_numeric(source_p, RPL_CREATED, form_str(RPL_CREATED), creation); |
2392eb24 | 1191 | sendto_one_numeric(source_p, RPL_MYINFO, form_str(RPL_MYINFO), me.name, ircd_version, umodebuf, cflagsmyinfo); |
212380e3 | 1192 | |
1193 | show_isupport(source_p); | |
1194 | ||
1195 | show_lusers(source_p); | |
1196 | ||
1197 | if(ConfigFileEntry.short_motd) | |
1198 | { | |
5366977b | 1199 | sendto_one_notice(source_p, ":*** Notice -- motd was last changed at %s", user_motd_changed); |
1200 | sendto_one_notice(source_p, ":*** Notice -- Please read the motd if you haven't read it"); | |
212380e3 | 1201 | |
1202 | sendto_one(source_p, form_str(RPL_MOTDSTART), | |
1203 | me.name, source_p->name, me.name); | |
1204 | ||
1205 | sendto_one(source_p, form_str(RPL_MOTD), | |
1206 | me.name, source_p->name, "*** This is the short motd ***"); | |
1207 | ||
1208 | sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, source_p->name); | |
1209 | } | |
1210 | else | |
1211 | send_user_motd(source_p); | |
1212 | } | |
1213 | ||
1214 | /* oper_up() | |
1215 | * | |
1216 | * inputs - pointer to given client to oper | |
1217 | * - pointer to ConfItem to use | |
1218 | * output - none | |
1219 | * side effects - opers up source_p using aconf for reference | |
1220 | */ | |
1221 | int | |
1222 | oper_up(struct Client *source_p, struct oper_conf *oper_p) | |
1223 | { | |
1224 | unsigned int old = source_p->umodes, oldsnomask = source_p->snomask; | |
1225 | hook_data_umode_changed hdata; | |
1226 | ||
1227 | SetOper(source_p); | |
1228 | ||
1229 | if(oper_p->umodes) | |
1230 | source_p->umodes |= oper_p->umodes; | |
1231 | else if(ConfigFileEntry.oper_umodes) | |
1232 | source_p->umodes |= ConfigFileEntry.oper_umodes; | |
1233 | else | |
1234 | source_p->umodes |= DEFAULT_OPER_UMODES; | |
1235 | ||
1236 | if (oper_p->snomask) | |
1237 | { | |
1238 | source_p->snomask |= oper_p->snomask; | |
1239 | source_p->umodes |= UMODE_SERVNOTICE; | |
1240 | } | |
1241 | else if (source_p->umodes & UMODE_SERVNOTICE) | |
1242 | { | |
1243 | /* Only apply these if +s is already set -- jilles */ | |
1244 | if (ConfigFileEntry.oper_snomask) | |
1245 | source_p->snomask |= ConfigFileEntry.oper_snomask; | |
1246 | else | |
1247 | source_p->snomask |= DEFAULT_OPER_SNOMASK; | |
1248 | } | |
1249 | ||
1250 | Count.oper++; | |
1251 | ||
1252 | SetExemptKline(source_p); | |
1253 | ||
1254 | source_p->flags2 |= oper_p->flags; | |
62d28946 | 1255 | source_p->localClient->opername = rb_strdup(oper_p->name); |
212380e3 | 1256 | |
af81d5a0 WP |
1257 | rb_dlinkAddAlloc(source_p, &local_oper_list); |
1258 | rb_dlinkAddAlloc(source_p, &oper_list); | |
212380e3 | 1259 | |
1260 | if(IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p)) | |
1261 | source_p->umodes |= UMODE_ADMIN; | |
1262 | if(!IsOperN(source_p)) | |
1263 | source_p->snomask &= ~SNO_NCHANGE; | |
1264 | if(!IsOperOperwall(source_p)) | |
1265 | source_p->umodes &= ~UMODE_OPERWALL; | |
1266 | hdata.client = source_p; | |
1267 | hdata.oldumodes = old; | |
1268 | hdata.oldsnomask = oldsnomask; | |
1269 | call_hook(h_umode_changed, &hdata); | |
1270 | ||
1271 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1272 | "%s (%s@%s) is now an operator", source_p->name, | |
1273 | source_p->username, source_p->host); | |
652b8478 | 1274 | if(!(old & UMODE_INVISIBLE) && IsInvisible(source_p)) |
1275 | ++Count.invisi; | |
1276 | if((old & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1277 | --Count.invisi; | |
212380e3 | 1278 | send_umode_out(source_p, source_p, old); |
88520303 | 1279 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 1280 | construct_snobuf(source_p->snomask)); |
1281 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
5366977b | 1282 | sendto_one_notice(source_p, ":*** Oper privs are %s", get_oper_privs(oper_p->flags)); |
212380e3 | 1283 | send_oper_motd(source_p); |
1284 | ||
1285 | return (1); | |
1286 | } | |
1287 | ||
01cebbd8 | 1288 | /* |
1289 | * find_umode_slot | |
1290 | * | |
1291 | * inputs - NONE | |
1292 | * outputs - an available umode bitmask or | |
1293 | * 0 if no umodes are available | |
1294 | * side effects - NONE | |
1295 | */ | |
1296 | unsigned int | |
1297 | find_umode_slot(void) | |
1298 | { | |
1299 | unsigned int all_umodes = 0, my_umode = 0, i; | |
1300 | ||
1301 | for (i = 0; i < 128; i++) | |
1302 | all_umodes |= user_modes[i]; | |
1303 | ||
1304 | for (my_umode = 1; my_umode && (all_umodes & my_umode); | |
1305 | my_umode <<= 1); | |
1306 | ||
1307 | return my_umode; | |
1308 | } | |
1309 | ||
212380e3 | 1310 | void |
1311 | construct_umodebuf(void) | |
1312 | { | |
1313 | int i; | |
1314 | char *ptr = umodebuf; | |
a8086a7c | 1315 | static int prev_user_modes[128]; |
212380e3 | 1316 | |
1317 | *ptr = '\0'; | |
1318 | ||
1319 | for (i = 0; i < 128; i++) | |
a8086a7c | 1320 | { |
1321 | if (prev_user_modes[i] != 0 && prev_user_modes[i] != user_modes[i]) | |
1322 | { | |
1323 | if (user_modes[i] == 0) | |
1324 | { | |
1325 | orphaned_umodes |= prev_user_modes[i]; | |
1326 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Umode +%c is now orphaned", i); | |
1327 | } | |
1328 | else | |
1329 | { | |
1330 | orphaned_umodes &= ~prev_user_modes[i]; | |
1331 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned umode +%c is picked up by module", i); | |
1332 | } | |
1333 | user_modes[i] = prev_user_modes[i]; | |
1334 | } | |
1335 | else | |
1336 | prev_user_modes[i] = user_modes[i]; | |
212380e3 | 1337 | if (user_modes[i]) |
1338 | *ptr++ = (char) i; | |
a8086a7c | 1339 | } |
212380e3 | 1340 | |
1341 | *ptr++ = '\0'; | |
1342 | } | |
1343 | ||
1344 | void | |
1345 | change_nick_user_host(struct Client *target_p, const char *nick, const char *user, | |
20961eea | 1346 | const char *host, int newts, const char *format, ...) |
212380e3 | 1347 | { |
af81d5a0 | 1348 | rb_dlink_node *ptr; |
212380e3 | 1349 | struct Channel *chptr; |
1350 | struct membership *mscptr; | |
1351 | int changed = irccmp(target_p->name, nick); | |
1352 | int changed_case = strcmp(target_p->name, nick); | |
1353 | int do_qjm = irccmp(target_p->username, user) || irccmp(target_p->host, host); | |
1354 | char mode[10], modeval[NICKLEN * 2 + 2], reason[256], *mptr; | |
1355 | va_list ap; | |
1356 | ||
1357 | modeval[0] = '\0'; | |
1358 | ||
1359 | if(changed) | |
1360 | { | |
1361 | target_p->tsinfo = newts; | |
1362 | monitor_signoff(target_p); | |
1363 | } | |
1364 | invalidate_bancache_user(target_p); | |
1365 | ||
1366 | if(do_qjm) | |
1367 | { | |
1368 | va_start(ap, format); | |
1369 | vsnprintf(reason, 255, format, ap); | |
1370 | va_end(ap); | |
1371 | ||
1372 | sendto_common_channels_local_butone(target_p, ":%s!%s@%s QUIT :%s", | |
1373 | target_p->name, target_p->username, target_p->host, | |
1374 | reason); | |
1375 | ||
8e69bb4e | 1376 | RB_DLINK_FOREACH(ptr, target_p->user->channel.head) |
212380e3 | 1377 | { |
1378 | mscptr = ptr->data; | |
1379 | chptr = mscptr->chptr; | |
1380 | mptr = mode; | |
1381 | ||
1382 | if(is_chanop(mscptr)) | |
1383 | { | |
1384 | *mptr++ = 'o'; | |
1385 | strcat(modeval, nick); | |
1386 | strcat(modeval, " "); | |
1387 | } | |
1388 | ||
1389 | if(is_voiced(mscptr)) | |
1390 | { | |
1391 | *mptr++ = 'v'; | |
1392 | strcat(modeval, nick); | |
1393 | } | |
1394 | ||
1395 | *mptr = '\0'; | |
1396 | ||
1397 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
1398 | nick, user, host, chptr->chname); | |
1399 | if(*mode) | |
1400 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, | |
1401 | ":%s MODE %s +%s %s", | |
1402 | target_p->servptr->name, | |
1403 | chptr->chname, mode, modeval); | |
1404 | ||
1405 | *modeval = '\0'; | |
1406 | } | |
1407 | ||
1408 | if(MyClient(target_p) && changed_case) | |
1409 | sendto_one(target_p, ":%s!%s@%s NICK %s", | |
1410 | target_p->name, target_p->username, target_p->host, nick); | |
1411 | } | |
1412 | else if(changed_case) | |
1413 | { | |
1414 | sendto_common_channels_local(target_p, ":%s!%s@%s NICK :%s", | |
1415 | target_p->name, target_p->username, | |
1416 | target_p->host, nick); | |
1417 | } | |
1418 | ||
907468c4 VY |
1419 | rb_strlcpy(target_p->username, user, sizeof target_p->username); |
1420 | rb_strlcpy(target_p->host, host, sizeof target_p->host); | |
212380e3 | 1421 | |
1422 | if (changed) | |
1423 | add_history(target_p, 1); | |
1424 | ||
1425 | del_from_client_hash(target_p->name, target_p); | |
907468c4 | 1426 | rb_strlcpy(target_p->name, nick, NICKLEN); |
212380e3 | 1427 | add_to_client_hash(target_p->name, target_p); |
1428 | ||
1429 | if(changed) | |
1430 | { | |
1431 | monitor_signon(target_p); | |
1432 | del_all_accepts(target_p); | |
1433 | } | |
1434 | } |