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212380e3 AC |
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 AC |
25 | */ |
26 | ||
27 | #include "stdinc.h" | |
212380e3 AC |
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" | |
4562c604 | 34 | #include "match.h" |
212380e3 AC |
35 | #include "ircd.h" |
36 | #include "listener.h" | |
37 | #include "msg.h" | |
38 | #include "numeric.h" | |
212380e3 AC |
39 | #include "s_conf.h" |
40 | #include "s_newconf.h" | |
4016731b | 41 | #include "logger.h" |
212380e3 AC |
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 AC |
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" |
212380e3 AC |
56 | |
57 | static void report_and_set_user_flags(struct Client *, struct ConfItem *); | |
58 | void user_welcome(struct Client *source_p); | |
59 | ||
60 | extern char *crypt(); | |
61 | ||
62 | char umodebuf[128]; | |
63 | ||
a8086a7c | 64 | static int orphaned_umodes = 0; |
212380e3 AC |
65 | int user_modes[256] = { |
66 | /* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0F */ | |
67 | /* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x1F */ | |
68 | /* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x2F */ | |
69 | /* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x3F */ | |
70 | 0, /* @ */ | |
71 | 0, /* A */ | |
72 | 0, /* B */ | |
73 | 0, /* C */ | |
74 | UMODE_DEAF, /* D */ | |
75 | 0, /* E */ | |
76 | 0, /* F */ | |
77 | 0, /* G */ | |
78 | 0, /* H */ | |
79 | 0, /* I */ | |
80 | 0, /* J */ | |
81 | 0, /* K */ | |
82 | 0, /* L */ | |
83 | 0, /* M */ | |
84 | 0, /* N */ | |
85 | 0, /* O */ | |
86 | 0, /* P */ | |
87 | UMODE_NOFORWARD, /* Q */ | |
88 | UMODE_REGONLYMSG, /* R */ | |
89 | UMODE_SERVICE, /* S */ | |
90 | 0, /* T */ | |
91 | 0, /* U */ | |
92 | 0, /* V */ | |
93 | 0, /* W */ | |
94 | 0, /* X */ | |
95 | 0, /* Y */ | |
3318e109 | 96 | UMODE_SSLCLIENT, /* Z */ |
212380e3 AC |
97 | /* 0x5B */ 0, 0, 0, 0, 0, 0, /* 0x60 */ |
98 | UMODE_ADMIN, /* a */ | |
99 | 0, /* b */ | |
100 | 0, /* c */ | |
101 | 0, /* d */ | |
102 | 0, /* e */ | |
103 | 0, /* f */ | |
104 | UMODE_CALLERID, /* g */ | |
105 | 0, /* h */ | |
106 | UMODE_INVISIBLE, /* i */ | |
107 | 0, /* j */ | |
108 | 0, /* k */ | |
109 | UMODE_LOCOPS, /* l */ | |
110 | 0, /* m */ | |
111 | 0, /* n */ | |
112 | UMODE_OPER, /* o */ | |
113 | 0, /* p */ | |
114 | 0, /* q */ | |
115 | 0, /* r */ | |
116 | UMODE_SERVNOTICE, /* s */ | |
117 | 0, /* t */ | |
118 | 0, /* u */ | |
119 | 0, /* v */ | |
120 | UMODE_WALLOP, /* w */ | |
121 | 0, /* x */ | |
122 | 0, /* y */ | |
123 | UMODE_OPERWALL, /* z */ | |
124 | /* 0x7B */ 0, 0, 0, 0, 0, /* 0x7F */ | |
125 | /* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */ | |
126 | /* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */ | |
127 | /* 0xA0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xAF */ | |
128 | /* 0xB0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xBF */ | |
129 | /* 0xC0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xCF */ | |
130 | /* 0xD0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xDF */ | |
131 | /* 0xE0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xEF */ | |
132 | /* 0xF0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xFF */ | |
133 | }; | |
134 | /* *INDENT-ON* */ | |
135 | ||
136 | /* | |
137 | * show_lusers - | |
138 | * | |
139 | * inputs - pointer to client | |
140 | * output - | |
141 | * side effects - display to client user counts etc. | |
142 | */ | |
143 | int | |
144 | show_lusers(struct Client *source_p) | |
145 | { | |
330fc5c1 AC |
146 | if(rb_dlink_list_length(&lclient_list) > (unsigned long)MaxClientCount) |
147 | MaxClientCount = rb_dlink_list_length(&lclient_list); | |
2f15f871 | 148 | |
330fc5c1 | 149 | if((rb_dlink_list_length(&lclient_list) + rb_dlink_list_length(&serv_list)) > |
2f15f871 | 150 | (unsigned long)MaxConnectionCount) |
330fc5c1 AC |
151 | MaxConnectionCount = rb_dlink_list_length(&lclient_list) + |
152 | rb_dlink_list_length(&serv_list); | |
2f15f871 | 153 | |
212380e3 AC |
154 | sendto_one_numeric(source_p, RPL_LUSERCLIENT, form_str(RPL_LUSERCLIENT), |
155 | (Count.total - Count.invisi), | |
330fc5c1 | 156 | Count.invisi, rb_dlink_list_length(&global_serv_list)); |
212380e3 | 157 | |
330fc5c1 | 158 | if(rb_dlink_list_length(&oper_list) > 0) |
212380e3 | 159 | sendto_one_numeric(source_p, RPL_LUSEROP, |
330fc5c1 | 160 | form_str(RPL_LUSEROP), rb_dlink_list_length(&oper_list)); |
212380e3 | 161 | |
330fc5c1 | 162 | if(rb_dlink_list_length(&unknown_list) > 0) |
212380e3 AC |
163 | sendto_one_numeric(source_p, RPL_LUSERUNKNOWN, |
164 | form_str(RPL_LUSERUNKNOWN), | |
330fc5c1 | 165 | rb_dlink_list_length(&unknown_list)); |
212380e3 | 166 | |
330fc5c1 | 167 | if(rb_dlink_list_length(&global_channel_list) > 0) |
212380e3 AC |
168 | sendto_one_numeric(source_p, RPL_LUSERCHANNELS, |
169 | form_str(RPL_LUSERCHANNELS), | |
330fc5c1 | 170 | rb_dlink_list_length(&global_channel_list)); |
212380e3 AC |
171 | |
172 | sendto_one_numeric(source_p, RPL_LUSERME, form_str(RPL_LUSERME), | |
330fc5c1 AC |
173 | rb_dlink_list_length(&lclient_list), |
174 | rb_dlink_list_length(&serv_list)); | |
212380e3 AC |
175 | |
176 | sendto_one_numeric(source_p, RPL_LOCALUSERS, | |
177 | form_str(RPL_LOCALUSERS), | |
330fc5c1 | 178 | rb_dlink_list_length(&lclient_list), |
212380e3 | 179 | Count.max_loc, |
330fc5c1 | 180 | rb_dlink_list_length(&lclient_list), |
212380e3 AC |
181 | Count.max_loc); |
182 | ||
183 | sendto_one_numeric(source_p, RPL_GLOBALUSERS, form_str(RPL_GLOBALUSERS), | |
184 | Count.total, Count.max_tot, | |
185 | Count.total, Count.max_tot); | |
186 | ||
187 | sendto_one_numeric(source_p, RPL_STATSCONN, | |
188 | form_str(RPL_STATSCONN), | |
189 | MaxConnectionCount, MaxClientCount, | |
190 | Count.totalrestartcount); | |
191 | ||
212380e3 AC |
192 | return 0; |
193 | } | |
194 | ||
195 | /* | |
196 | ** register_local_user | |
197 | ** This function is called when both NICK and USER messages | |
198 | ** have been accepted for the client, in whatever order. Only | |
199 | ** after this, is the USER message propagated. | |
200 | ** | |
201 | ** NICK's must be propagated at once when received, although | |
202 | ** it would be better to delay them too until full info is | |
203 | ** available. Doing it is not so simple though, would have | |
204 | ** to implement the following: | |
205 | ** | |
206 | ** (actually it has been implemented already for a while) -orabidoo | |
207 | ** | |
208 | ** 1) user telnets in and gives only "NICK foobar" and waits | |
209 | ** 2) another user far away logs in normally with the nick | |
210 | ** "foobar" (quite legal, as this server didn't propagate | |
211 | ** it). | |
212 | ** 3) now this server gets nick "foobar" from outside, but | |
213 | ** has alread the same defined locally. Current server | |
214 | ** would just issue "KILL foobar" to clean out dups. But, | |
215 | ** this is not fair. It should actually request another | |
216 | ** nick from local user or kill him/her... | |
217 | */ | |
218 | ||
219 | int | |
220 | register_local_user(struct Client *client_p, struct Client *source_p, const char *username) | |
221 | { | |
35f6f850 | 222 | struct ConfItem *aconf, *xconf; |
212380e3 AC |
223 | struct User *user = source_p->user; |
224 | char tmpstr2[IRCD_BUFSIZE]; | |
225 | char ipaddr[HOSTIPLEN]; | |
226 | char myusername[USERLEN+1]; | |
227 | int status; | |
228 | ||
229 | s_assert(NULL != source_p); | |
230 | s_assert(MyConnect(source_p)); | |
231 | s_assert(source_p->username != username); | |
232 | ||
233 | if(source_p == NULL) | |
234 | return -1; | |
235 | ||
236 | if(IsAnyDead(source_p)) | |
237 | return -1; | |
238 | ||
239 | if(ConfigFileEntry.ping_cookie) | |
240 | { | |
241 | if(!(source_p->flags & FLAGS_PINGSENT) && source_p->localClient->random_ping == 0) | |
242 | { | |
243 | source_p->localClient->random_ping = (unsigned long) (rand() * rand()) << 1; | |
244 | sendto_one(source_p, "PING :%08lX", | |
245 | (unsigned long) source_p->localClient->random_ping); | |
246 | source_p->flags |= FLAGS_PINGSENT; | |
247 | return -1; | |
248 | } | |
095328a7 | 249 | if(!(source_p->flags & FLAGS_PING_COOKIE)) |
212380e3 AC |
250 | { |
251 | return -1; | |
252 | } | |
253 | } | |
254 | ||
255 | /* hasnt finished client cap negotiation */ | |
095328a7 | 256 | if(source_p->flags & FLAGS_CLICAP) |
212380e3 AC |
257 | return -1; |
258 | ||
259 | /* still has DNSbls to validate against */ | |
330fc5c1 | 260 | if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0) |
212380e3 AC |
261 | return -1; |
262 | ||
e3354945 | 263 | client_p->localClient->last = rb_current_time(); |
212380e3 AC |
264 | /* Straight up the maximum rate of flooding... */ |
265 | source_p->localClient->allow_read = MAX_FLOOD_BURST; | |
266 | ||
267 | /* XXX - fixme. we shouldnt have to build a users buffer twice.. */ | |
268 | if(!IsGotId(source_p) && (strchr(username, '[') != NULL)) | |
269 | { | |
270 | const char *p; | |
271 | int i = 0; | |
272 | ||
273 | p = username; | |
274 | ||
275 | while(*p && i < USERLEN) | |
276 | { | |
277 | if(*p != '[') | |
278 | myusername[i++] = *p; | |
279 | p++; | |
280 | } | |
281 | ||
282 | myusername[i] = '\0'; | |
283 | username = myusername; | |
284 | } | |
285 | ||
286 | if((status = check_client(client_p, source_p, username)) < 0) | |
287 | return (CLIENT_EXITED); | |
288 | ||
289 | /* Apply nick override */ | |
290 | if(*source_p->preClient->spoofnick) | |
291 | { | |
fa94d8fb AC |
292 | char note[NICKLEN + 10]; |
293 | ||
212380e3 | 294 | del_from_client_hash(source_p->name, source_p); |
f427c8b0 | 295 | rb_strlcpy(source_p->name, source_p->preClient->spoofnick, NICKLEN + 1); |
212380e3 | 296 | add_to_client_hash(source_p->name, source_p); |
fa94d8fb AC |
297 | |
298 | rb_snprintf(note, NICKLEN + 10, "Nick: %s", source_p->name); | |
299 | rb_note(source_p->localClient->F, note); | |
212380e3 AC |
300 | } |
301 | ||
302 | if(!valid_hostname(source_p->host)) | |
303 | { | |
5366977b | 304 | sendto_one_notice(source_p, ":*** Notice -- You have an illegal character in your hostname"); |
212380e3 | 305 | |
f427c8b0 | 306 | rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host)); |
212380e3 AC |
307 | } |
308 | ||
309 | ||
310 | aconf = source_p->localClient->att_conf; | |
311 | ||
312 | if(aconf == NULL) | |
313 | { | |
314 | exit_client(client_p, source_p, &me, "*** Not Authorised"); | |
315 | return (CLIENT_EXITED); | |
316 | } | |
317 | ||
318 | if(!IsGotId(source_p)) | |
319 | { | |
320 | const char *p; | |
321 | int i = 0; | |
322 | ||
323 | if(IsNeedIdentd(aconf)) | |
324 | { | |
47adde3d | 325 | ServerStats.is_ref++; |
5366977b | 326 | sendto_one_notice(source_p, ":*** Notice -- You need to install identd to use this server"); |
212380e3 AC |
327 | exit_client(client_p, source_p, &me, "Install identd"); |
328 | return (CLIENT_EXITED); | |
329 | } | |
330 | ||
331 | /* dont replace username if its supposed to be spoofed --fl */ | |
332 | if(!IsConfDoSpoofIp(aconf) || !strchr(aconf->name, '@')) | |
333 | { | |
334 | p = username; | |
335 | ||
336 | if(!IsNoTilde(aconf)) | |
337 | source_p->username[i++] = '~'; | |
338 | ||
339 | while (*p && i < USERLEN) | |
340 | { | |
341 | if(*p != '[') | |
342 | source_p->username[i++] = *p; | |
343 | p++; | |
344 | } | |
345 | ||
346 | source_p->username[i] = '\0'; | |
347 | } | |
348 | } | |
349 | ||
350 | if(IsNeedSasl(aconf) && !*user->suser) | |
351 | { | |
47adde3d | 352 | ServerStats.is_ref++; |
5366977b | 353 | sendto_one_notice(source_p, ":*** Notice -- You need to identify via SASL to use this server"); |
212380e3 AC |
354 | exit_client(client_p, source_p, &me, "SASL access only"); |
355 | return (CLIENT_EXITED); | |
356 | } | |
357 | ||
358 | /* password check */ | |
359 | if(!EmptyString(aconf->passwd)) | |
360 | { | |
361 | const char *encr; | |
362 | ||
363 | if(EmptyString(source_p->localClient->passwd)) | |
364 | encr = ""; | |
365 | else if(IsConfEncrypted(aconf)) | |
366 | encr = crypt(source_p->localClient->passwd, aconf->passwd); | |
367 | else | |
368 | encr = source_p->localClient->passwd; | |
369 | ||
370 | if(strcmp(encr, aconf->passwd)) | |
371 | { | |
47adde3d | 372 | ServerStats.is_ref++; |
212380e3 AC |
373 | sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), me.name, source_p->name); |
374 | exit_client(client_p, source_p, &me, "Bad Password"); | |
375 | return (CLIENT_EXITED); | |
376 | } | |
377 | ||
378 | /* clear password only if used now, otherwise send it | |
379 | * to services -- jilles */ | |
380 | if(source_p->localClient->passwd) | |
381 | { | |
382 | memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd)); | |
637c4932 | 383 | rb_free(source_p->localClient->passwd); |
212380e3 AC |
384 | source_p->localClient->passwd = NULL; |
385 | } | |
386 | } | |
387 | ||
388 | /* report if user has &^>= etc. and set flags as needed in source_p */ | |
389 | report_and_set_user_flags(source_p, aconf); | |
390 | ||
391 | /* Limit clients */ | |
392 | /* | |
393 | * We want to be able to have servers and F-line clients | |
394 | * connect, so save room for "buffer" connections. | |
395 | * Smaller servers may want to decrease this, and it should | |
396 | * probably be just a percentage of the MAXCLIENTS... | |
397 | * -Taner | |
398 | */ | |
399 | /* Except "F:" clients */ | |
330fc5c1 | 400 | if(rb_dlink_list_length(&lclient_list) >= |
5ca543e7 | 401 | (unsigned long)GlobalSetOptions.maxclients && !IsConfExemptLimits(aconf)) |
212380e3 AC |
402 | { |
403 | sendto_realops_snomask(SNO_FULL, L_ALL, | |
404 | "Too many clients, rejecting %s[%s].", source_p->name, source_p->host); | |
405 | ||
47adde3d | 406 | ServerStats.is_ref++; |
212380e3 AC |
407 | exit_client(client_p, source_p, &me, "Sorry, server is full - try later"); |
408 | return (CLIENT_EXITED); | |
409 | } | |
410 | ||
212380e3 AC |
411 | /* kline exemption extends to xline too */ |
412 | if(!IsExemptKline(source_p) && | |
35f6f850 | 413 | (xconf = find_xline(source_p->info, 1)) != NULL) |
212380e3 | 414 | { |
47adde3d | 415 | ServerStats.is_ref++; |
54ac8b60 | 416 | add_reject(source_p, xconf->name, NULL); |
212380e3 AC |
417 | exit_client(client_p, source_p, &me, "Bad user info"); |
418 | return CLIENT_EXITED; | |
419 | } | |
420 | ||
421 | /* dnsbl check */ | |
422 | if (source_p->preClient->dnsbl_listed != NULL) | |
423 | { | |
424 | if (IsExemptKline(source_p) || IsConfExemptDNSBL(aconf)) | |
425 | sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s, but you are exempt", | |
426 | source_p->sockhost, source_p->preClient->dnsbl_listed->host); | |
427 | else | |
428 | { | |
330fc5c1 | 429 | rb_dlink_list varlist = { NULL, NULL, 0 }; |
92fb5c31 AC |
430 | |
431 | substitution_append_var(&varlist, "nick", source_p->name); | |
432 | substitution_append_var(&varlist, "ip", source_p->sockhost); | |
433 | substitution_append_var(&varlist, "host", source_p->host); | |
434 | substitution_append_var(&varlist, "dnsbl-host", source_p->preClient->dnsbl_listed->host); | |
435 | substitution_append_var(&varlist, "network-name", ServerInfo.network_name); | |
436 | ||
47adde3d | 437 | ServerStats.is_ref++; |
92fb5c31 | 438 | |
212380e3 AC |
439 | sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP), |
440 | me.name, source_p->name, | |
92fb5c31 AC |
441 | substitution_parse(source_p->preClient->dnsbl_listed->reject_reason, &varlist)); |
442 | ||
443 | substitution_free(&varlist); | |
444 | ||
212380e3 AC |
445 | sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s", |
446 | source_p->sockhost, source_p->preClient->dnsbl_listed->host); | |
447 | source_p->preClient->dnsbl_listed->hits++; | |
54ac8b60 | 448 | add_reject(source_p, NULL, NULL); |
212380e3 AC |
449 | exit_client(client_p, source_p, &me, "*** Banned (DNS blacklist)"); |
450 | return CLIENT_EXITED; | |
451 | } | |
452 | } | |
453 | ||
0734f634 JT |
454 | /* valid user name check */ |
455 | ||
456 | if(!valid_username(source_p->username)) | |
457 | { | |
458 | sendto_realops_snomask(SNO_REJ, L_ALL, | |
459 | "Invalid username: %s (%s@%s)", | |
460 | source_p->name, source_p->username, source_p->host); | |
47adde3d | 461 | ServerStats.is_ref++; |
cc32202d AC |
462 | sendto_one_notice(source_p, ":*** Your username is invalid. Please make sure that your username contains " |
463 | "only alphanumeric characters."); | |
b2f0da88 | 464 | rb_sprintf(tmpstr2, "Invalid username [%s]", source_p->username); |
0734f634 JT |
465 | exit_client(client_p, source_p, &me, tmpstr2); |
466 | return (CLIENT_EXITED); | |
467 | } | |
468 | ||
469 | /* end of valid user name check */ | |
470 | ||
212380e3 | 471 | /* Store original hostname -- jilles */ |
f427c8b0 | 472 | rb_strlcpy(source_p->orighost, source_p->host, HOSTLEN + 1); |
212380e3 AC |
473 | |
474 | /* Spoof user@host */ | |
475 | if(*source_p->preClient->spoofuser) | |
f427c8b0 | 476 | rb_strlcpy(source_p->username, source_p->preClient->spoofuser, USERLEN + 1); |
212380e3 AC |
477 | if(*source_p->preClient->spoofhost) |
478 | { | |
f427c8b0 | 479 | rb_strlcpy(source_p->host, source_p->preClient->spoofhost, HOSTLEN + 1); |
212380e3 AC |
480 | if (irccmp(source_p->host, source_p->orighost)) |
481 | SetDynSpoof(source_p); | |
482 | } | |
483 | ||
e2b44358 JT |
484 | source_p->umodes |= ConfigFileEntry.default_umodes & ~ConfigFileEntry.oper_only_umodes & ~orphaned_umodes; |
485 | ||
486 | call_hook(h_new_local_user, source_p); | |
487 | ||
488 | /* If they have died in send_* or were thrown out by the | |
489 | * new_local_user hook don't do anything. */ | |
490 | if(IsAnyDead(source_p)) | |
212380e3 AC |
491 | return CLIENT_EXITED; |
492 | ||
e2b44358 JT |
493 | /* To avoid inconsistencies, do not abort the registration |
494 | * starting from this point -- jilles | |
495 | */ | |
caa4d9d2 | 496 | rb_inet_ntop_sock((struct sockaddr *)&source_p->localClient->ip, ipaddr, sizeof(ipaddr)); |
212380e3 AC |
497 | |
498 | sendto_realops_snomask(SNO_CCONN, L_ALL, | |
499 | "Client connecting: %s (%s@%s) [%s] {%s} [%s]", | |
500 | source_p->name, source_p->username, source_p->orighost, | |
501 | show_ip(NULL, source_p) ? ipaddr : "255.255.255.255", | |
502 | get_client_class(source_p), source_p->info); | |
503 | ||
504 | sendto_realops_snomask(SNO_CCONNEXT, L_ALL, | |
505 | "CLICONN %s %s %s %s %s %s 0 %s", | |
506 | source_p->name, source_p->username, source_p->orighost, | |
507 | show_ip(NULL, source_p) ? ipaddr : "255.255.255.255", | |
508 | get_client_class(source_p), | |
509 | /* mirc can sometimes send ips here */ | |
510 | show_ip(NULL, source_p) ? source_p->localClient->fullcaps : "<hidden> <hidden>", | |
511 | source_p->info); | |
512 | ||
212380e3 AC |
513 | add_to_hostname_hash(source_p->orighost, source_p); |
514 | ||
515 | /* Allocate a UID if it was not previously allocated. | |
516 | * If this already occured, it was probably during SASL auth... | |
517 | */ | |
518 | if(!*source_p->id) | |
519 | { | |
520 | strcpy(source_p->id, generate_uid()); | |
521 | add_to_id_hash(source_p->id, source_p); | |
522 | } | |
523 | ||
3318e109 AC |
524 | if (IsSSL(source_p)) |
525 | source_p->umodes |= UMODE_SSLCLIENT; | |
526 | ||
212380e3 AC |
527 | if (source_p->umodes & UMODE_INVISIBLE) |
528 | Count.invisi++; | |
529 | ||
530 | s_assert(!IsClient(source_p)); | |
54ac8b60 | 531 | del_unknown_ip(source_p); |
330fc5c1 | 532 | rb_dlinkMoveNode(&source_p->localClient->tnode, &unknown_list, &lclient_list); |
212380e3 AC |
533 | SetClient(source_p); |
534 | ||
0a61720a | 535 | source_p->servptr = &me; |
330fc5c1 | 536 | rb_dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users); |
0a61720a | 537 | |
212380e3 AC |
538 | /* Increment our total user count here */ |
539 | if(++Count.total > Count.max_tot) | |
540 | Count.max_tot = Count.total; | |
0a61720a | 541 | |
212380e3 AC |
542 | source_p->localClient->allow_read = MAX_FLOOD_BURST; |
543 | ||
544 | Count.totalrestartcount++; | |
545 | ||
546 | s_assert(source_p->localClient != NULL); | |
547 | ||
330fc5c1 | 548 | if(rb_dlink_list_length(&lclient_list) > (unsigned long)Count.max_loc) |
212380e3 | 549 | { |
330fc5c1 | 550 | Count.max_loc = rb_dlink_list_length(&lclient_list); |
212380e3 AC |
551 | if(!(Count.max_loc % 10)) |
552 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
553 | "New Max Local Clients: %d", Count.max_loc); | |
554 | } | |
555 | ||
556 | /* they get a reduced limit */ | |
557 | if(find_tgchange(source_p->sockhost)) | |
558 | USED_TARGETS(source_p) = 6; | |
559 | ||
212380e3 AC |
560 | monitor_signon(source_p); |
561 | user_welcome(source_p); | |
562 | ||
563 | free_pre_client(source_p); | |
564 | ||
565 | return (introduce_client(client_p, source_p, user, source_p->name, 1)); | |
566 | } | |
567 | ||
568 | /* | |
569 | * introduce_clients | |
570 | * | |
571 | * inputs - | |
572 | * output - | |
573 | * side effects - This common function introduces a client to the rest | |
574 | * of the net, either from a local client connect or | |
575 | * from a remote connect. | |
576 | */ | |
577 | int | |
578 | introduce_client(struct Client *client_p, struct Client *source_p, struct User *user, const char *nick, int use_euid) | |
579 | { | |
580 | static char ubuf[12]; | |
581 | struct Client *identifyservice_p; | |
582 | char *p; | |
583 | hook_data_umode_changed hdata; | |
584 | hook_data_client hdata2; | |
585 | ||
586 | if(MyClient(source_p)) | |
587 | send_umode(source_p, source_p, 0, 0, ubuf); | |
588 | else | |
589 | send_umode(NULL, source_p, 0, 0, ubuf); | |
590 | ||
591 | if(!*ubuf) | |
592 | { | |
593 | ubuf[0] = '+'; | |
594 | ubuf[1] = '\0'; | |
595 | } | |
596 | ||
597 | /* if it has an ID, introduce it with its id to TS6 servers, | |
598 | * otherwise introduce it normally to all. | |
599 | */ | |
600 | if(has_id(source_p)) | |
601 | { | |
602 | char sockhost[HOSTLEN]; | |
603 | if(source_p->sockhost[0] == ':') | |
604 | { | |
605 | sockhost[0] = '0'; | |
606 | sockhost[1] = '\0'; | |
79c70bbb | 607 | rb_strlcat(sockhost, source_p->sockhost, sizeof(sockhost)); |
212380e3 AC |
608 | } else |
609 | strcpy(sockhost, source_p->sockhost); | |
610 | ||
611 | if (use_euid) | |
612 | sendto_server(client_p, NULL, CAP_EUID | CAP_TS6, NOCAPS, | |
613 | ":%s EUID %s %d %ld %s %s %s %s %s %s %s :%s", | |
614 | source_p->servptr->id, nick, | |
615 | source_p->hopcount + 1, | |
616 | (long) source_p->tsinfo, ubuf, | |
617 | source_p->username, source_p->host, | |
618 | IsIPSpoof(source_p) ? "0" : sockhost, | |
619 | source_p->id, | |
620 | IsDynSpoof(source_p) ? source_p->orighost : "*", | |
621 | EmptyString(source_p->user->suser) ? "*" : source_p->user->suser, | |
622 | source_p->info); | |
623 | ||
624 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, | |
625 | ":%s UID %s %d %ld %s %s %s %s %s :%s", | |
626 | source_p->servptr->id, nick, | |
627 | source_p->hopcount + 1, | |
628 | (long) source_p->tsinfo, ubuf, | |
629 | source_p->username, source_p->host, | |
630 | IsIPSpoof(source_p) ? "0" : sockhost, | |
631 | source_p->id, source_p->info); | |
632 | ||
633 | sendto_server(client_p, NULL, NOCAPS, CAP_TS6, | |
634 | "NICK %s %d %ld %s %s %s %s :%s", | |
635 | nick, source_p->hopcount + 1, | |
636 | (long) source_p->tsinfo, | |
637 | ubuf, source_p->username, source_p->host, | |
c88cdb00 | 638 | source_p->servptr->name, source_p->info); |
212380e3 AC |
639 | } |
640 | else | |
641 | sendto_server(client_p, NULL, NOCAPS, NOCAPS, | |
642 | "NICK %s %d %ld %s %s %s %s :%s", | |
643 | nick, source_p->hopcount + 1, | |
644 | (long) source_p->tsinfo, | |
645 | ubuf, source_p->username, source_p->host, | |
c88cdb00 | 646 | source_p->servptr->name, source_p->info); |
212380e3 AC |
647 | |
648 | if (IsDynSpoof(source_p)) | |
649 | { | |
650 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * REALHOST %s", | |
651 | use_id(source_p), source_p->orighost); | |
652 | sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s ENCAP * REALHOST %s", | |
653 | source_p->name, source_p->orighost); | |
654 | } | |
655 | if (!EmptyString(source_p->user->suser)) | |
656 | { | |
657 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * LOGIN %s", | |
658 | use_id(source_p), source_p->user->suser); | |
659 | sendto_server(client_p, NULL, NOCAPS, CAP_TS6, ":%s ENCAP * LOGIN %s", | |
660 | source_p->name, source_p->user->suser); | |
661 | } | |
662 | ||
663 | if(MyConnect(source_p) && source_p->localClient->passwd) | |
664 | { | |
665 | if (ConfigFileEntry.identifyservice[0] != '\0' && | |
666 | ConfigFileEntry.identifycommand[0] != '\0') | |
667 | { | |
668 | /* use user@server */ | |
669 | p = strchr(ConfigFileEntry.identifyservice, '@'); | |
670 | if (p != NULL) | |
671 | identifyservice_p = find_named_client(p + 1); | |
672 | else | |
673 | identifyservice_p = NULL; | |
674 | if (identifyservice_p != NULL) | |
675 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s", | |
676 | get_id(source_p, identifyservice_p), | |
677 | ConfigFileEntry.identifyservice, | |
678 | ConfigFileEntry.identifycommand, | |
679 | source_p->localClient->passwd); | |
680 | } | |
681 | memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd)); | |
637c4932 | 682 | rb_free(source_p->localClient->passwd); |
212380e3 AC |
683 | source_p->localClient->passwd = NULL; |
684 | } | |
685 | ||
686 | /* let modules providing usermodes know that we've got a new user, | |
687 | * why is this here? -- well, some modules need to be able to send out new | |
688 | * information about a client, so this was the best place to do it | |
689 | * --nenolod | |
690 | */ | |
691 | hdata.client = source_p; | |
692 | hdata.oldumodes = 0; | |
693 | hdata.oldsnomask = 0; | |
694 | call_hook(h_umode_changed, &hdata); | |
695 | ||
696 | /* On the other hand, some modules need to know when a client is | |
697 | * being introduced, period. | |
698 | * --gxti | |
699 | */ | |
700 | hdata2.client = client_p; | |
701 | hdata2.target = source_p; | |
702 | call_hook(h_introduce_client, &hdata2); | |
703 | ||
704 | return 0; | |
705 | } | |
706 | ||
707 | /* | |
708 | * valid_hostname - check hostname for validity | |
709 | * | |
710 | * Inputs - pointer to user | |
711 | * Output - YES if valid, NO if not | |
712 | * Side effects - NONE | |
713 | * | |
714 | * NOTE: this doesn't allow a hostname to begin with a dot and | |
715 | * will not allow more dots than chars. | |
716 | */ | |
717 | int | |
718 | valid_hostname(const char *hostname) | |
719 | { | |
720 | const char *p = hostname; | |
721 | int found_sep = 0; | |
722 | ||
723 | s_assert(NULL != p); | |
724 | ||
725 | if(hostname == NULL) | |
726 | return NO; | |
727 | ||
728 | if('.' == *p || ':' == *p) | |
729 | return NO; | |
730 | ||
731 | while (*p) | |
732 | { | |
733 | if(!IsHostChar(*p)) | |
734 | return NO; | |
735 | if(*p == '.' || *p == ':') | |
736 | found_sep++; | |
737 | p++; | |
738 | } | |
739 | ||
740 | if(found_sep == 0) | |
741 | return(NO); | |
742 | ||
743 | return (YES); | |
744 | } | |
745 | ||
746 | /* | |
747 | * valid_username - check username for validity | |
748 | * | |
749 | * Inputs - pointer to user | |
750 | * Output - YES if valid, NO if not | |
751 | * Side effects - NONE | |
752 | * | |
753 | * Absolutely always reject any '*' '!' '?' '@' in an user name | |
754 | * reject any odd control characters names. | |
755 | * Allow '.' in username to allow for "first.last" | |
756 | * style of username | |
757 | */ | |
758 | int | |
759 | valid_username(const char *username) | |
760 | { | |
761 | int dots = 0; | |
762 | const char *p = username; | |
763 | ||
764 | s_assert(NULL != p); | |
765 | ||
766 | if(username == NULL) | |
767 | return NO; | |
768 | ||
769 | if('~' == *p) | |
770 | ++p; | |
771 | ||
772 | /* reject usernames that don't start with an alphanum | |
773 | * i.e. reject jokers who have '-@somehost' or '.@somehost' | |
774 | * or "-hi-@somehost", "h-----@somehost" would still be accepted. | |
775 | */ | |
776 | if(!IsAlNum(*p)) | |
777 | return NO; | |
778 | ||
779 | while (*++p) | |
780 | { | |
781 | if((*p == '.') && ConfigFileEntry.dots_in_ident) | |
782 | { | |
783 | dots++; | |
784 | if(dots > ConfigFileEntry.dots_in_ident) | |
785 | return NO; | |
786 | if(!IsUserChar(p[1])) | |
787 | return NO; | |
788 | } | |
789 | else if(!IsUserChar(*p)) | |
790 | return NO; | |
791 | } | |
792 | return YES; | |
793 | } | |
794 | ||
795 | /* report_and_set_user_flags | |
796 | * | |
797 | * Inputs - pointer to source_p | |
798 | * - pointer to aconf for this user | |
799 | * Output - NONE | |
800 | * Side effects - | |
801 | * Report to user any special flags they are getting, and set them. | |
802 | */ | |
803 | ||
804 | static void | |
805 | report_and_set_user_flags(struct Client *source_p, struct ConfItem *aconf) | |
806 | { | |
807 | /* If this user is being spoofed, tell them so */ | |
808 | if(IsConfDoSpoofIp(aconf)) | |
809 | { | |
5366977b | 810 | sendto_one_notice(source_p, ":*** Spoofing your IP. congrats."); |
212380e3 AC |
811 | } |
812 | ||
813 | /* If this user is in the exception class, Set it "E lined" */ | |
814 | if(IsConfExemptKline(aconf)) | |
815 | { | |
816 | SetExemptKline(source_p); | |
eae06274 | 817 | sendto_one_notice(source_p, ":*** You are exempt from K/X lines. congrats."); |
212380e3 AC |
818 | } |
819 | ||
212380e3 AC |
820 | if(IsConfExemptDNSBL(aconf)) |
821 | /* kline exempt implies this, don't send both */ | |
822 | if(!IsConfExemptKline(aconf)) | |
5366977b | 823 | sendto_one_notice(source_p, ":*** You are exempt from DNS blacklists."); |
212380e3 AC |
824 | |
825 | /* If this user is exempt from user limits set it F lined" */ | |
826 | if(IsConfExemptLimits(aconf)) | |
827 | { | |
e4b9c8e1 | 828 | sendto_one_notice(source_p, ":*** You are exempt from user limits. congrats."); |
212380e3 AC |
829 | } |
830 | ||
212380e3 AC |
831 | if(IsConfExemptFlood(aconf)) |
832 | { | |
833 | SetExemptFlood(source_p); | |
5366977b | 834 | sendto_one_notice(source_p, ":*** You are exempt from flood limits."); |
212380e3 AC |
835 | } |
836 | ||
837 | if(IsConfExemptSpambot(aconf)) | |
838 | { | |
839 | SetExemptSpambot(source_p); | |
5366977b | 840 | sendto_one_notice(source_p, ":*** You are exempt from spambot checks."); |
212380e3 AC |
841 | } |
842 | ||
843 | if(IsConfExemptJupe(aconf)) | |
844 | { | |
845 | SetExemptJupe(source_p); | |
5366977b | 846 | sendto_one_notice(source_p, ":*** You are exempt from juped channel warnings."); |
212380e3 AC |
847 | } |
848 | ||
849 | if(IsConfExemptResv(aconf)) | |
850 | { | |
851 | SetExemptResv(source_p); | |
5366977b | 852 | sendto_one_notice(source_p, ":*** You are exempt from resvs."); |
212380e3 AC |
853 | } |
854 | ||
855 | if(IsConfExemptShide(aconf)) | |
856 | { | |
857 | SetExemptShide(source_p); | |
5366977b | 858 | sendto_one_notice(source_p, ":*** You are exempt from serverhiding."); |
212380e3 AC |
859 | } |
860 | } | |
861 | ||
862 | /* | |
863 | * user_mode - set get current users mode | |
864 | * | |
865 | * m_umode() added 15/10/91 By Darren Reed. | |
866 | * parv[0] - sender | |
867 | * parv[1] - username to change mode for | |
868 | * parv[2] - modes to change | |
869 | */ | |
870 | int | |
871 | user_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
872 | { | |
873 | int flag; | |
874 | int i; | |
875 | char *m; | |
876 | const char *pm; | |
877 | struct Client *target_p; | |
878 | int what, setflags; | |
879 | int badflag = NO; /* Only send one bad flag notice */ | |
880 | int showsnomask = NO; | |
881 | unsigned int setsnomask; | |
882 | char buf[BUFSIZE]; | |
883 | hook_data_umode_changed hdata; | |
884 | ||
885 | what = MODE_ADD; | |
886 | ||
887 | if(parc < 2) | |
888 | { | |
889 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "MODE"); | |
890 | return 0; | |
891 | } | |
892 | ||
893 | if((target_p = MyClient(source_p) ? find_named_person(parv[1]) : find_person(parv[1])) == NULL) | |
894 | { | |
895 | if(MyConnect(source_p)) | |
896 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
897 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
898 | return 0; | |
899 | } | |
900 | ||
901 | /* Dont know why these were commented out.. | |
902 | * put them back using new sendto() funcs | |
903 | */ | |
904 | ||
905 | if(IsServer(source_p)) | |
906 | { | |
907 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, | |
908 | "*** Mode for User %s from %s", parv[1], source_p->name); | |
909 | return 0; | |
910 | } | |
911 | ||
912 | if(source_p != target_p || target_p->from != source_p->from) | |
913 | { | |
914 | sendto_one(source_p, form_str(ERR_USERSDONTMATCH), me.name, source_p->name); | |
915 | return 0; | |
916 | } | |
917 | ||
918 | if(parc < 3) | |
919 | { | |
920 | m = buf; | |
921 | *m++ = '+'; | |
922 | ||
923 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
924 | if (source_p->umodes & user_modes[i]) | |
925 | *m++ = (char) i; | |
926 | ||
927 | *m = '\0'; | |
e8a2d50d | 928 | sendto_one_numeric(source_p, RPL_UMODEIS, form_str(RPL_UMODEIS), buf); |
88520303 | 929 | |
212380e3 | 930 | if (source_p->snomask != 0) |
88520303 | 931 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 932 | construct_snobuf(source_p->snomask)); |
88520303 | 933 | |
212380e3 AC |
934 | return 0; |
935 | } | |
936 | ||
937 | /* find flags already set for user */ | |
938 | setflags = source_p->umodes; | |
939 | setsnomask = source_p->snomask; | |
940 | ||
941 | /* | |
942 | * parse mode change string(s) | |
943 | */ | |
944 | for (pm = parv[2]; *pm; pm++) | |
945 | switch (*pm) | |
946 | { | |
947 | case '+': | |
948 | what = MODE_ADD; | |
949 | break; | |
950 | case '-': | |
951 | what = MODE_DEL; | |
952 | break; | |
953 | ||
954 | case 'o': | |
955 | if(what == MODE_ADD) | |
956 | { | |
957 | if(IsServer(client_p) && !IsOper(source_p)) | |
958 | { | |
959 | ++Count.oper; | |
960 | SetOper(source_p); | |
330fc5c1 | 961 | rb_dlinkAddAlloc(source_p, &oper_list); |
212380e3 AC |
962 | } |
963 | } | |
964 | else | |
965 | { | |
966 | /* Only decrement the oper counts if an oper to begin with | |
967 | * found by Pat Szuta, Perly , perly@xnet.com | |
968 | */ | |
969 | ||
970 | if(!IsOper(source_p)) | |
971 | break; | |
972 | ||
973 | ClearOper(source_p); | |
974 | ||
975 | Count.oper--; | |
976 | ||
977 | if(MyConnect(source_p)) | |
978 | { | |
979 | source_p->umodes &= ~ConfigFileEntry.oper_only_umodes; | |
980 | if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0) | |
981 | { | |
982 | source_p->snomask = 0; | |
983 | showsnomask = YES; | |
984 | } | |
985 | source_p->flags2 &= ~OPER_FLAGS; | |
986 | ||
637c4932 | 987 | rb_free(source_p->localClient->opername); |
212380e3 AC |
988 | source_p->localClient->opername = NULL; |
989 | ||
330fc5c1 | 990 | rb_dlinkFindDestroy(source_p, &local_oper_list); |
212380e3 AC |
991 | } |
992 | ||
330fc5c1 | 993 | rb_dlinkFindDestroy(source_p, &oper_list); |
212380e3 AC |
994 | } |
995 | break; | |
996 | ||
997 | /* we may not get these, | |
998 | * but they shouldnt be in default | |
999 | */ | |
1000 | ||
1001 | /* can only be set on burst */ | |
1002 | case 'S': | |
3318e109 | 1003 | case 'Z': |
212380e3 AC |
1004 | case ' ': |
1005 | case '\n': | |
1006 | case '\r': | |
1007 | case '\t': | |
1008 | break; | |
1009 | ||
1010 | case 's': | |
1011 | if (MyConnect(source_p)) | |
1012 | { | |
1013 | if(!IsOper(source_p) | |
1014 | && (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE)) | |
1015 | { | |
1016 | if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE) | |
1017 | badflag = YES; | |
1018 | continue; | |
1019 | } | |
1020 | showsnomask = YES; | |
1021 | if(what == MODE_ADD) | |
1022 | { | |
1023 | if (parc > 3) | |
1024 | source_p->snomask = parse_snobuf_to_mask(source_p->snomask, parv[3]); | |
1025 | else | |
1026 | source_p->snomask |= SNO_GENERAL; | |
1027 | } | |
1028 | else | |
1029 | source_p->snomask = 0; | |
1030 | if (source_p->snomask != 0) | |
1031 | source_p->umodes |= UMODE_SERVNOTICE; | |
1032 | else | |
1033 | source_p->umodes &= ~UMODE_SERVNOTICE; | |
1034 | break; | |
1035 | } | |
1036 | /* FALLTHROUGH */ | |
1037 | default: | |
1038 | if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward) { | |
1039 | badflag = YES; | |
1040 | break; | |
1041 | } | |
1042 | ||
1043 | if((flag = user_modes[(unsigned char) *pm])) | |
1044 | { | |
1045 | if(MyConnect(source_p) | |
a8086a7c JT |
1046 | && ((!IsOper(source_p) |
1047 | && (ConfigFileEntry.oper_only_umodes & flag)) | |
1048 | || (orphaned_umodes & flag))) | |
212380e3 AC |
1049 | { |
1050 | if (what == MODE_ADD || source_p->umodes & flag) | |
1051 | badflag = YES; | |
1052 | } | |
1053 | else | |
1054 | { | |
1055 | if(what == MODE_ADD) | |
1056 | source_p->umodes |= flag; | |
1057 | else | |
1058 | source_p->umodes &= ~flag; | |
1059 | } | |
1060 | } | |
1061 | else | |
1062 | { | |
1063 | if(MyConnect(source_p)) | |
1064 | badflag = YES; | |
1065 | } | |
1066 | break; | |
1067 | } | |
1068 | ||
1069 | if(badflag) | |
1070 | sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), me.name, source_p->name); | |
1071 | ||
1072 | if(MyClient(source_p) && (source_p->snomask & SNO_NCHANGE) && !IsOperN(source_p)) | |
1073 | { | |
b4838ccd | 1074 | sendto_one_notice(source_p, ":*** You need oper and nick_changes flag for +s +n"); |
212380e3 AC |
1075 | source_p->snomask &= ~SNO_NCHANGE; /* only tcm's really need this */ |
1076 | } | |
1077 | ||
1078 | if(MyClient(source_p) && (source_p->umodes & UMODE_OPERWALL) && !IsOperOperwall(source_p)) | |
1079 | { | |
5366977b | 1080 | sendto_one_notice(source_p, ":*** You need oper and operwall flag for +z"); |
212380e3 AC |
1081 | source_p->umodes &= ~UMODE_OPERWALL; |
1082 | } | |
1083 | ||
1084 | if(MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) && | |
1085 | (!IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))) | |
1086 | { | |
b4838ccd | 1087 | sendto_one_notice(source_p, ":*** You need oper and admin flag for +a"); |
212380e3 AC |
1088 | source_p->umodes &= ~UMODE_ADMIN; |
1089 | } | |
1090 | ||
1091 | /* let modules providing usermodes know that we've changed our usermode --nenolod */ | |
1092 | hdata.client = source_p; | |
1093 | hdata.oldumodes = setflags; | |
1094 | hdata.oldsnomask = setsnomask; | |
1095 | call_hook(h_umode_changed, &hdata); | |
1096 | ||
1097 | if(!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p)) | |
1098 | ++Count.invisi; | |
1099 | if((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1100 | --Count.invisi; | |
1101 | /* | |
1102 | * compare new flags with old flags and send string which | |
1103 | * will cause servers to update correctly. | |
1104 | */ | |
1105 | send_umode_out(client_p, source_p, setflags); | |
1106 | if (showsnomask && MyConnect(source_p)) | |
88520303 | 1107 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1108 | construct_snobuf(source_p->snomask)); |
1109 | ||
1110 | return (0); | |
1111 | } | |
1112 | ||
1113 | /* | |
1114 | * send the MODE string for user (user) to connection client_p | |
1115 | * -avalon | |
1116 | */ | |
1117 | void | |
1118 | send_umode(struct Client *client_p, struct Client *source_p, int old, int sendmask, char *umode_buf) | |
1119 | { | |
1120 | int i; | |
1121 | int flag; | |
1122 | char *m; | |
1123 | int what = 0; | |
1124 | ||
1125 | /* | |
1126 | * build a string in umode_buf to represent the change in the user's | |
1127 | * mode between the new (source_p->flag) and 'old'. | |
1128 | */ | |
1129 | m = umode_buf; | |
1130 | *m = '\0'; | |
1131 | ||
1132 | for (i = 0; i < 128; i++) | |
1133 | { | |
1134 | flag = user_modes[i]; | |
1135 | ||
1136 | if((flag & old) && !(source_p->umodes & flag)) | |
1137 | { | |
1138 | if(what == MODE_DEL) | |
1139 | *m++ = (char) i; | |
1140 | else | |
1141 | { | |
1142 | what = MODE_DEL; | |
1143 | *m++ = '-'; | |
1144 | *m++ = (char) i; | |
1145 | } | |
1146 | } | |
1147 | else if(!(flag & old) && (source_p->umodes & flag)) | |
1148 | { | |
1149 | if(what == MODE_ADD) | |
1150 | *m++ = (char) i; | |
1151 | else | |
1152 | { | |
1153 | what = MODE_ADD; | |
1154 | *m++ = '+'; | |
1155 | *m++ = (char) i; | |
1156 | } | |
1157 | } | |
1158 | } | |
1159 | *m = '\0'; | |
1160 | ||
1161 | if(*umode_buf && client_p) | |
1162 | sendto_one(client_p, ":%s MODE %s :%s", source_p->name, source_p->name, umode_buf); | |
1163 | } | |
1164 | ||
1165 | /* | |
1166 | * send_umode_out | |
1167 | * | |
1168 | * inputs - | |
1169 | * output - NONE | |
1170 | * side effects - | |
1171 | */ | |
1172 | void | |
1173 | send_umode_out(struct Client *client_p, struct Client *source_p, int old) | |
1174 | { | |
1175 | struct Client *target_p; | |
1176 | char buf[BUFSIZE]; | |
330fc5c1 | 1177 | rb_dlink_node *ptr; |
212380e3 AC |
1178 | |
1179 | send_umode(NULL, source_p, old, 0, buf); | |
1180 | ||
5cefa1d6 | 1181 | RB_DLINK_FOREACH(ptr, serv_list.head) |
212380e3 AC |
1182 | { |
1183 | target_p = ptr->data; | |
1184 | ||
1185 | if((target_p != client_p) && (target_p != source_p) && (*buf)) | |
1186 | { | |
1187 | sendto_one(target_p, ":%s MODE %s :%s", | |
1188 | get_id(source_p, target_p), | |
1189 | get_id(source_p, target_p), buf); | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | if(client_p && MyClient(client_p)) | |
1194 | send_umode(client_p, source_p, old, 0, buf); | |
1195 | } | |
1196 | ||
1197 | /* | |
1198 | * user_welcome | |
1199 | * | |
1200 | * inputs - client pointer to client to welcome | |
1201 | * output - NONE | |
1202 | * side effects - | |
1203 | */ | |
1204 | void | |
1205 | user_welcome(struct Client *source_p) | |
1206 | { | |
88520303 AC |
1207 | sendto_one_numeric(source_p, RPL_WELCOME, form_str(RPL_WELCOME), ServerInfo.network_name, source_p->name); |
1208 | sendto_one_numeric(source_p, RPL_YOURHOST, form_str(RPL_YOURHOST), | |
212380e3 | 1209 | get_listener_name(source_p->localClient->listener), ircd_version); |
88520303 AC |
1210 | sendto_one_numeric(source_p, RPL_CREATED, form_str(RPL_CREATED), creation); |
1211 | sendto_one_numeric(source_p, RPL_MYINFO, form_str(RPL_MYINFO), me.name, ircd_version, umodebuf); | |
212380e3 AC |
1212 | |
1213 | show_isupport(source_p); | |
1214 | ||
1215 | show_lusers(source_p); | |
1216 | ||
1217 | if(ConfigFileEntry.short_motd) | |
1218 | { | |
5366977b AC |
1219 | sendto_one_notice(source_p, ":*** Notice -- motd was last changed at %s", user_motd_changed); |
1220 | sendto_one_notice(source_p, ":*** Notice -- Please read the motd if you haven't read it"); | |
212380e3 AC |
1221 | |
1222 | sendto_one(source_p, form_str(RPL_MOTDSTART), | |
1223 | me.name, source_p->name, me.name); | |
1224 | ||
1225 | sendto_one(source_p, form_str(RPL_MOTD), | |
1226 | me.name, source_p->name, "*** This is the short motd ***"); | |
1227 | ||
1228 | sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, source_p->name); | |
1229 | } | |
1230 | else | |
1231 | send_user_motd(source_p); | |
1232 | } | |
1233 | ||
1234 | /* oper_up() | |
1235 | * | |
1236 | * inputs - pointer to given client to oper | |
1237 | * - pointer to ConfItem to use | |
1238 | * output - none | |
1239 | * side effects - opers up source_p using aconf for reference | |
1240 | */ | |
1241 | int | |
1242 | oper_up(struct Client *source_p, struct oper_conf *oper_p) | |
1243 | { | |
1244 | unsigned int old = source_p->umodes, oldsnomask = source_p->snomask; | |
1245 | hook_data_umode_changed hdata; | |
1246 | ||
1247 | SetOper(source_p); | |
1248 | ||
1249 | if(oper_p->umodes) | |
1250 | source_p->umodes |= oper_p->umodes; | |
1251 | else if(ConfigFileEntry.oper_umodes) | |
1252 | source_p->umodes |= ConfigFileEntry.oper_umodes; | |
1253 | else | |
1254 | source_p->umodes |= DEFAULT_OPER_UMODES; | |
1255 | ||
1256 | if (oper_p->snomask) | |
1257 | { | |
1258 | source_p->snomask |= oper_p->snomask; | |
1259 | source_p->umodes |= UMODE_SERVNOTICE; | |
1260 | } | |
1261 | else if (source_p->umodes & UMODE_SERVNOTICE) | |
1262 | { | |
1263 | /* Only apply these if +s is already set -- jilles */ | |
1264 | if (ConfigFileEntry.oper_snomask) | |
1265 | source_p->snomask |= ConfigFileEntry.oper_snomask; | |
1266 | else | |
1267 | source_p->snomask |= DEFAULT_OPER_SNOMASK; | |
1268 | } | |
1269 | ||
1270 | Count.oper++; | |
1271 | ||
1272 | SetExemptKline(source_p); | |
1273 | ||
1274 | source_p->flags2 |= oper_p->flags; | |
47a03750 | 1275 | source_p->localClient->opername = rb_strdup(oper_p->name); |
212380e3 | 1276 | |
330fc5c1 AC |
1277 | rb_dlinkAddAlloc(source_p, &local_oper_list); |
1278 | rb_dlinkAddAlloc(source_p, &oper_list); | |
212380e3 AC |
1279 | |
1280 | if(IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p)) | |
1281 | source_p->umodes |= UMODE_ADMIN; | |
1282 | if(!IsOperN(source_p)) | |
1283 | source_p->snomask &= ~SNO_NCHANGE; | |
1284 | if(!IsOperOperwall(source_p)) | |
1285 | source_p->umodes &= ~UMODE_OPERWALL; | |
1286 | hdata.client = source_p; | |
1287 | hdata.oldumodes = old; | |
1288 | hdata.oldsnomask = oldsnomask; | |
1289 | call_hook(h_umode_changed, &hdata); | |
1290 | ||
1291 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1292 | "%s (%s@%s) is now an operator", source_p->name, | |
1293 | source_p->username, source_p->host); | |
652b8478 JT |
1294 | if(!(old & UMODE_INVISIBLE) && IsInvisible(source_p)) |
1295 | ++Count.invisi; | |
1296 | if((old & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1297 | --Count.invisi; | |
212380e3 | 1298 | send_umode_out(source_p, source_p, old); |
88520303 | 1299 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1300 | construct_snobuf(source_p->snomask)); |
1301 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
5366977b | 1302 | sendto_one_notice(source_p, ":*** Oper privs are %s", get_oper_privs(oper_p->flags)); |
212380e3 AC |
1303 | send_oper_motd(source_p); |
1304 | ||
1305 | return (1); | |
1306 | } | |
1307 | ||
01cebbd8 JT |
1308 | /* |
1309 | * find_umode_slot | |
1310 | * | |
1311 | * inputs - NONE | |
1312 | * outputs - an available umode bitmask or | |
1313 | * 0 if no umodes are available | |
1314 | * side effects - NONE | |
1315 | */ | |
1316 | unsigned int | |
1317 | find_umode_slot(void) | |
1318 | { | |
1319 | unsigned int all_umodes = 0, my_umode = 0, i; | |
1320 | ||
1321 | for (i = 0; i < 128; i++) | |
1322 | all_umodes |= user_modes[i]; | |
1323 | ||
1324 | for (my_umode = 1; my_umode && (all_umodes & my_umode); | |
1325 | my_umode <<= 1); | |
1326 | ||
1327 | return my_umode; | |
1328 | } | |
1329 | ||
212380e3 AC |
1330 | void |
1331 | construct_umodebuf(void) | |
1332 | { | |
1333 | int i; | |
1334 | char *ptr = umodebuf; | |
a8086a7c | 1335 | static int prev_user_modes[128]; |
212380e3 AC |
1336 | |
1337 | *ptr = '\0'; | |
1338 | ||
1339 | for (i = 0; i < 128; i++) | |
a8086a7c JT |
1340 | { |
1341 | if (prev_user_modes[i] != 0 && prev_user_modes[i] != user_modes[i]) | |
1342 | { | |
1343 | if (user_modes[i] == 0) | |
1344 | { | |
1345 | orphaned_umodes |= prev_user_modes[i]; | |
1346 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Umode +%c is now orphaned", i); | |
1347 | } | |
1348 | else | |
1349 | { | |
1350 | orphaned_umodes &= ~prev_user_modes[i]; | |
1351 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned umode +%c is picked up by module", i); | |
1352 | } | |
1353 | user_modes[i] = prev_user_modes[i]; | |
1354 | } | |
1355 | else | |
1356 | prev_user_modes[i] = user_modes[i]; | |
212380e3 AC |
1357 | if (user_modes[i]) |
1358 | *ptr++ = (char) i; | |
a8086a7c | 1359 | } |
212380e3 AC |
1360 | |
1361 | *ptr++ = '\0'; | |
1362 | } | |
1363 | ||
1364 | void | |
1365 | change_nick_user_host(struct Client *target_p, const char *nick, const char *user, | |
82622732 | 1366 | const char *host, int newts, const char *format, ...) |
212380e3 | 1367 | { |
330fc5c1 | 1368 | rb_dlink_node *ptr; |
212380e3 AC |
1369 | struct Channel *chptr; |
1370 | struct membership *mscptr; | |
1371 | int changed = irccmp(target_p->name, nick); | |
1372 | int changed_case = strcmp(target_p->name, nick); | |
1373 | int do_qjm = irccmp(target_p->username, user) || irccmp(target_p->host, host); | |
1374 | char mode[10], modeval[NICKLEN * 2 + 2], reason[256], *mptr; | |
1375 | va_list ap; | |
1376 | ||
1377 | modeval[0] = '\0'; | |
1378 | ||
1379 | if(changed) | |
1380 | { | |
1381 | target_p->tsinfo = newts; | |
1382 | monitor_signoff(target_p); | |
1383 | } | |
1384 | invalidate_bancache_user(target_p); | |
1385 | ||
1386 | if(do_qjm) | |
1387 | { | |
1388 | va_start(ap, format); | |
1389 | vsnprintf(reason, 255, format, ap); | |
1390 | va_end(ap); | |
1391 | ||
1392 | sendto_common_channels_local_butone(target_p, ":%s!%s@%s QUIT :%s", | |
1393 | target_p->name, target_p->username, target_p->host, | |
1394 | reason); | |
1395 | ||
5cefa1d6 | 1396 | RB_DLINK_FOREACH(ptr, target_p->user->channel.head) |
212380e3 AC |
1397 | { |
1398 | mscptr = ptr->data; | |
1399 | chptr = mscptr->chptr; | |
1400 | mptr = mode; | |
1401 | ||
1402 | if(is_chanop(mscptr)) | |
1403 | { | |
1404 | *mptr++ = 'o'; | |
1405 | strcat(modeval, nick); | |
1406 | strcat(modeval, " "); | |
1407 | } | |
1408 | ||
1409 | if(is_voiced(mscptr)) | |
1410 | { | |
1411 | *mptr++ = 'v'; | |
1412 | strcat(modeval, nick); | |
1413 | } | |
1414 | ||
1415 | *mptr = '\0'; | |
1416 | ||
1417 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, ":%s!%s@%s JOIN :%s", | |
1418 | nick, user, host, chptr->chname); | |
1419 | if(*mode) | |
1420 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, | |
1421 | ":%s MODE %s +%s %s", | |
1422 | target_p->servptr->name, | |
1423 | chptr->chname, mode, modeval); | |
1424 | ||
1425 | *modeval = '\0'; | |
1426 | } | |
1427 | ||
1428 | if(MyClient(target_p) && changed_case) | |
1429 | sendto_one(target_p, ":%s!%s@%s NICK %s", | |
1430 | target_p->name, target_p->username, target_p->host, nick); | |
1431 | } | |
1432 | else if(changed_case) | |
1433 | { | |
1434 | sendto_common_channels_local(target_p, ":%s!%s@%s NICK :%s", | |
1435 | target_p->name, target_p->username, | |
1436 | target_p->host, nick); | |
1437 | } | |
1438 | ||
f427c8b0 VY |
1439 | rb_strlcpy(target_p->username, user, sizeof target_p->username); |
1440 | rb_strlcpy(target_p->host, host, sizeof target_p->host); | |
212380e3 AC |
1441 | |
1442 | if (changed) | |
1443 | add_history(target_p, 1); | |
1444 | ||
1445 | del_from_client_hash(target_p->name, target_p); | |
f427c8b0 | 1446 | rb_strlcpy(target_p->name, nick, NICKLEN); |
212380e3 AC |
1447 | add_to_client_hash(target_p->name, target_p); |
1448 | ||
1449 | if(changed) | |
1450 | { | |
1451 | monitor_signon(target_p); | |
1452 | del_all_accepts(target_p); | |
1453 | } | |
1454 | } |