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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" |
c18cb68b | 56 | #include "chmode.h" |
77d3d2db | 57 | #include "s_assert.h" |
212380e3 AC |
58 | |
59 | static void report_and_set_user_flags(struct Client *, struct ConfItem *); | |
60 | void user_welcome(struct Client *source_p); | |
61 | ||
212380e3 AC |
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) |
55abcbb2 | 151 | MaxConnectionCount = rb_dlink_list_length(&lclient_list) + |
330fc5c1 | 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), | |
0cce01d3 JT |
156 | Count.invisi, |
157 | (int)rb_dlink_list_length(&global_serv_list)); | |
212380e3 | 158 | |
330fc5c1 | 159 | if(rb_dlink_list_length(&oper_list) > 0) |
55abcbb2 | 160 | sendto_one_numeric(source_p, RPL_LUSEROP, |
77910830 JT |
161 | form_str(RPL_LUSEROP), |
162 | (int)rb_dlink_list_length(&oper_list)); | |
212380e3 | 163 | |
330fc5c1 | 164 | if(rb_dlink_list_length(&unknown_list) > 0) |
55abcbb2 | 165 | sendto_one_numeric(source_p, RPL_LUSERUNKNOWN, |
212380e3 | 166 | form_str(RPL_LUSERUNKNOWN), |
0cce01d3 | 167 | (int)rb_dlink_list_length(&unknown_list)); |
212380e3 | 168 | |
330fc5c1 | 169 | if(rb_dlink_list_length(&global_channel_list) > 0) |
55abcbb2 | 170 | sendto_one_numeric(source_p, RPL_LUSERCHANNELS, |
212380e3 | 171 | form_str(RPL_LUSERCHANNELS), |
330fc5c1 | 172 | rb_dlink_list_length(&global_channel_list)); |
212380e3 AC |
173 | |
174 | sendto_one_numeric(source_p, RPL_LUSERME, form_str(RPL_LUSERME), | |
0cce01d3 JT |
175 | (int)rb_dlink_list_length(&lclient_list), |
176 | (int)rb_dlink_list_length(&serv_list)); | |
212380e3 | 177 | |
55abcbb2 | 178 | sendto_one_numeric(source_p, RPL_LOCALUSERS, |
212380e3 | 179 | form_str(RPL_LOCALUSERS), |
0cce01d3 | 180 | (int)rb_dlink_list_length(&lclient_list), |
212380e3 | 181 | Count.max_loc, |
0cce01d3 | 182 | (int)rb_dlink_list_length(&lclient_list), |
212380e3 AC |
183 | Count.max_loc); |
184 | ||
185 | sendto_one_numeric(source_p, RPL_GLOBALUSERS, form_str(RPL_GLOBALUSERS), | |
186 | Count.total, Count.max_tot, | |
187 | Count.total, Count.max_tot); | |
188 | ||
189 | sendto_one_numeric(source_p, RPL_STATSCONN, | |
190 | form_str(RPL_STATSCONN), | |
55abcbb2 | 191 | MaxConnectionCount, MaxClientCount, |
212380e3 AC |
192 | Count.totalrestartcount); |
193 | ||
212380e3 AC |
194 | return 0; |
195 | } | |
196 | ||
197 | /* | |
198 | ** register_local_user | |
199 | ** This function is called when both NICK and USER messages | |
200 | ** have been accepted for the client, in whatever order. Only | |
201 | ** after this, is the USER message propagated. | |
202 | ** | |
203 | ** NICK's must be propagated at once when received, although | |
204 | ** it would be better to delay them too until full info is | |
205 | ** available. Doing it is not so simple though, would have | |
206 | ** to implement the following: | |
207 | ** | |
208 | ** (actually it has been implemented already for a while) -orabidoo | |
209 | ** | |
210 | ** 1) user telnets in and gives only "NICK foobar" and waits | |
211 | ** 2) another user far away logs in normally with the nick | |
212 | ** "foobar" (quite legal, as this server didn't propagate | |
213 | ** it). | |
214 | ** 3) now this server gets nick "foobar" from outside, but | |
215 | ** has alread the same defined locally. Current server | |
216 | ** would just issue "KILL foobar" to clean out dups. But, | |
217 | ** this is not fair. It should actually request another | |
218 | ** nick from local user or kill him/her... | |
219 | */ | |
220 | ||
221 | int | |
222 | register_local_user(struct Client *client_p, struct Client *source_p, const char *username) | |
223 | { | |
35f6f850 | 224 | struct ConfItem *aconf, *xconf; |
212380e3 AC |
225 | struct User *user = source_p->user; |
226 | char tmpstr2[IRCD_BUFSIZE]; | |
227 | char ipaddr[HOSTIPLEN]; | |
228 | char myusername[USERLEN+1]; | |
229 | int status; | |
230 | ||
231 | s_assert(NULL != source_p); | |
232 | s_assert(MyConnect(source_p)); | |
233 | s_assert(source_p->username != username); | |
234 | ||
235 | if(source_p == NULL) | |
236 | return -1; | |
237 | ||
238 | if(IsAnyDead(source_p)) | |
239 | return -1; | |
240 | ||
241 | if(ConfigFileEntry.ping_cookie) | |
242 | { | |
243 | if(!(source_p->flags & FLAGS_PINGSENT) && source_p->localClient->random_ping == 0) | |
244 | { | |
245 | source_p->localClient->random_ping = (unsigned long) (rand() * rand()) << 1; | |
246 | sendto_one(source_p, "PING :%08lX", | |
247 | (unsigned long) source_p->localClient->random_ping); | |
248 | source_p->flags |= FLAGS_PINGSENT; | |
249 | return -1; | |
250 | } | |
095328a7 | 251 | if(!(source_p->flags & FLAGS_PING_COOKIE)) |
212380e3 AC |
252 | { |
253 | return -1; | |
254 | } | |
255 | } | |
256 | ||
257 | /* hasnt finished client cap negotiation */ | |
095328a7 | 258 | if(source_p->flags & FLAGS_CLICAP) |
212380e3 AC |
259 | return -1; |
260 | ||
261 | /* still has DNSbls to validate against */ | |
330fc5c1 | 262 | if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0) |
212380e3 AC |
263 | return -1; |
264 | ||
e3354945 | 265 | client_p->localClient->last = rb_current_time(); |
212380e3 AC |
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 | 307 | } |
55abcbb2 | 308 | |
212380e3 AC |
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 | ||
b1594414 JT |
318 | if(IsConfSSLNeeded(aconf) && !IsSSL(source_p)) |
319 | { | |
320 | ServerStats.is_ref++; | |
321 | sendto_one_notice(source_p, ":*** Notice -- You need to use SSL/TLS to use this server"); | |
322 | exit_client(client_p, source_p, &me, "Use SSL/TLS"); | |
323 | return (CLIENT_EXITED); | |
324 | } | |
325 | ||
212380e3 AC |
326 | if(!IsGotId(source_p)) |
327 | { | |
328 | const char *p; | |
329 | int i = 0; | |
330 | ||
331 | if(IsNeedIdentd(aconf)) | |
332 | { | |
47adde3d | 333 | ServerStats.is_ref++; |
5366977b | 334 | sendto_one_notice(source_p, ":*** Notice -- You need to install identd to use this server"); |
212380e3 AC |
335 | exit_client(client_p, source_p, &me, "Install identd"); |
336 | return (CLIENT_EXITED); | |
337 | } | |
338 | ||
339 | /* dont replace username if its supposed to be spoofed --fl */ | |
27f616dd | 340 | if(!IsConfDoSpoofIp(aconf) || !strchr(aconf->info.name, '@')) |
212380e3 AC |
341 | { |
342 | p = username; | |
343 | ||
344 | if(!IsNoTilde(aconf)) | |
345 | source_p->username[i++] = '~'; | |
346 | ||
347 | while (*p && i < USERLEN) | |
348 | { | |
349 | if(*p != '[') | |
350 | source_p->username[i++] = *p; | |
351 | p++; | |
352 | } | |
353 | ||
354 | source_p->username[i] = '\0'; | |
355 | } | |
356 | } | |
357 | ||
358 | if(IsNeedSasl(aconf) && !*user->suser) | |
359 | { | |
47adde3d | 360 | ServerStats.is_ref++; |
5366977b | 361 | sendto_one_notice(source_p, ":*** Notice -- You need to identify via SASL to use this server"); |
212380e3 AC |
362 | exit_client(client_p, source_p, &me, "SASL access only"); |
363 | return (CLIENT_EXITED); | |
364 | } | |
365 | ||
366 | /* password check */ | |
367 | if(!EmptyString(aconf->passwd)) | |
368 | { | |
369 | const char *encr; | |
370 | ||
371 | if(EmptyString(source_p->localClient->passwd)) | |
372 | encr = ""; | |
373 | else if(IsConfEncrypted(aconf)) | |
ba8b3ff1 | 374 | encr = rb_crypt(source_p->localClient->passwd, aconf->passwd); |
212380e3 AC |
375 | else |
376 | encr = source_p->localClient->passwd; | |
377 | ||
e69375f3 | 378 | if(encr == NULL || strcmp(encr, aconf->passwd)) |
212380e3 | 379 | { |
47adde3d | 380 | ServerStats.is_ref++; |
212380e3 AC |
381 | sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), me.name, source_p->name); |
382 | exit_client(client_p, source_p, &me, "Bad Password"); | |
383 | return (CLIENT_EXITED); | |
384 | } | |
385 | ||
386 | /* clear password only if used now, otherwise send it | |
387 | * to services -- jilles */ | |
388 | if(source_p->localClient->passwd) | |
389 | { | |
390 | memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd)); | |
637c4932 | 391 | rb_free(source_p->localClient->passwd); |
212380e3 AC |
392 | source_p->localClient->passwd = NULL; |
393 | } | |
394 | } | |
395 | ||
396 | /* report if user has &^>= etc. and set flags as needed in source_p */ | |
397 | report_and_set_user_flags(source_p, aconf); | |
398 | ||
399 | /* Limit clients */ | |
400 | /* | |
401 | * We want to be able to have servers and F-line clients | |
402 | * connect, so save room for "buffer" connections. | |
403 | * Smaller servers may want to decrease this, and it should | |
404 | * probably be just a percentage of the MAXCLIENTS... | |
405 | * -Taner | |
406 | */ | |
407 | /* Except "F:" clients */ | |
330fc5c1 | 408 | if(rb_dlink_list_length(&lclient_list) >= |
5ca543e7 | 409 | (unsigned long)GlobalSetOptions.maxclients && !IsConfExemptLimits(aconf)) |
212380e3 AC |
410 | { |
411 | sendto_realops_snomask(SNO_FULL, L_ALL, | |
412 | "Too many clients, rejecting %s[%s].", source_p->name, source_p->host); | |
413 | ||
47adde3d | 414 | ServerStats.is_ref++; |
212380e3 AC |
415 | exit_client(client_p, source_p, &me, "Sorry, server is full - try later"); |
416 | return (CLIENT_EXITED); | |
417 | } | |
418 | ||
212380e3 AC |
419 | /* kline exemption extends to xline too */ |
420 | if(!IsExemptKline(source_p) && | |
35f6f850 | 421 | (xconf = find_xline(source_p->info, 1)) != NULL) |
212380e3 | 422 | { |
47adde3d | 423 | ServerStats.is_ref++; |
70ea02eb | 424 | add_reject(source_p, xconf->host, NULL); |
212380e3 AC |
425 | exit_client(client_p, source_p, &me, "Bad user info"); |
426 | return CLIENT_EXITED; | |
427 | } | |
428 | ||
429 | /* dnsbl check */ | |
430 | if (source_p->preClient->dnsbl_listed != NULL) | |
431 | { | |
432 | if (IsExemptKline(source_p) || IsConfExemptDNSBL(aconf)) | |
433 | sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s, but you are exempt", | |
434 | source_p->sockhost, source_p->preClient->dnsbl_listed->host); | |
435 | else | |
436 | { | |
48e40976 | 437 | sendto_realops_snomask(SNO_REJ, L_NETWIDE, |
0894d18b JT |
438 | "Listed on DNSBL %s: %s (%s@%s) [%s] [%s]", |
439 | source_p->preClient->dnsbl_listed->host, | |
440 | source_p->name, | |
441 | source_p->username, source_p->host, | |
442 | IsIPSpoof(source_p) ? "255.255.255.255" : source_p->sockhost, | |
443 | source_p->info); | |
48e40976 | 444 | |
330fc5c1 | 445 | rb_dlink_list varlist = { NULL, NULL, 0 }; |
92fb5c31 AC |
446 | |
447 | substitution_append_var(&varlist, "nick", source_p->name); | |
448 | substitution_append_var(&varlist, "ip", source_p->sockhost); | |
449 | substitution_append_var(&varlist, "host", source_p->host); | |
450 | substitution_append_var(&varlist, "dnsbl-host", source_p->preClient->dnsbl_listed->host); | |
451 | substitution_append_var(&varlist, "network-name", ServerInfo.network_name); | |
452 | ||
47adde3d | 453 | ServerStats.is_ref++; |
92fb5c31 | 454 | |
212380e3 AC |
455 | sendto_one(source_p, form_str(ERR_YOUREBANNEDCREEP), |
456 | me.name, source_p->name, | |
92fb5c31 AC |
457 | substitution_parse(source_p->preClient->dnsbl_listed->reject_reason, &varlist)); |
458 | ||
459 | substitution_free(&varlist); | |
460 | ||
212380e3 AC |
461 | sendto_one_notice(source_p, ":*** Your IP address %s is listed in %s", |
462 | source_p->sockhost, source_p->preClient->dnsbl_listed->host); | |
463 | source_p->preClient->dnsbl_listed->hits++; | |
54ac8b60 | 464 | add_reject(source_p, NULL, NULL); |
212380e3 AC |
465 | exit_client(client_p, source_p, &me, "*** Banned (DNS blacklist)"); |
466 | return CLIENT_EXITED; | |
467 | } | |
468 | } | |
469 | ||
0734f634 JT |
470 | /* valid user name check */ |
471 | ||
472 | if(!valid_username(source_p->username)) | |
473 | { | |
474 | sendto_realops_snomask(SNO_REJ, L_ALL, | |
475 | "Invalid username: %s (%s@%s)", | |
476 | source_p->name, source_p->username, source_p->host); | |
47adde3d | 477 | ServerStats.is_ref++; |
cc32202d AC |
478 | sendto_one_notice(source_p, ":*** Your username is invalid. Please make sure that your username contains " |
479 | "only alphanumeric characters."); | |
b2f0da88 | 480 | rb_sprintf(tmpstr2, "Invalid username [%s]", source_p->username); |
0734f634 JT |
481 | exit_client(client_p, source_p, &me, tmpstr2); |
482 | return (CLIENT_EXITED); | |
483 | } | |
484 | ||
485 | /* end of valid user name check */ | |
486 | ||
212380e3 | 487 | /* Store original hostname -- jilles */ |
f427c8b0 | 488 | rb_strlcpy(source_p->orighost, source_p->host, HOSTLEN + 1); |
212380e3 AC |
489 | |
490 | /* Spoof user@host */ | |
491 | if(*source_p->preClient->spoofuser) | |
f427c8b0 | 492 | rb_strlcpy(source_p->username, source_p->preClient->spoofuser, USERLEN + 1); |
212380e3 AC |
493 | if(*source_p->preClient->spoofhost) |
494 | { | |
f427c8b0 | 495 | rb_strlcpy(source_p->host, source_p->preClient->spoofhost, HOSTLEN + 1); |
212380e3 AC |
496 | if (irccmp(source_p->host, source_p->orighost)) |
497 | SetDynSpoof(source_p); | |
498 | } | |
499 | ||
e2b44358 JT |
500 | source_p->umodes |= ConfigFileEntry.default_umodes & ~ConfigFileEntry.oper_only_umodes & ~orphaned_umodes; |
501 | ||
502 | call_hook(h_new_local_user, source_p); | |
503 | ||
504 | /* If they have died in send_* or were thrown out by the | |
505 | * new_local_user hook don't do anything. */ | |
506 | if(IsAnyDead(source_p)) | |
212380e3 AC |
507 | return CLIENT_EXITED; |
508 | ||
e2b44358 JT |
509 | /* To avoid inconsistencies, do not abort the registration |
510 | * starting from this point -- jilles | |
511 | */ | |
caa4d9d2 | 512 | rb_inet_ntop_sock((struct sockaddr *)&source_p->localClient->ip, ipaddr, sizeof(ipaddr)); |
212380e3 AC |
513 | |
514 | sendto_realops_snomask(SNO_CCONN, L_ALL, | |
515 | "Client connecting: %s (%s@%s) [%s] {%s} [%s]", | |
516 | source_p->name, source_p->username, source_p->orighost, | |
517 | show_ip(NULL, source_p) ? ipaddr : "255.255.255.255", | |
518 | get_client_class(source_p), source_p->info); | |
519 | ||
520 | sendto_realops_snomask(SNO_CCONNEXT, L_ALL, | |
521 | "CLICONN %s %s %s %s %s %s 0 %s", | |
522 | source_p->name, source_p->username, source_p->orighost, | |
523 | show_ip(NULL, source_p) ? ipaddr : "255.255.255.255", | |
524 | get_client_class(source_p), | |
525 | /* mirc can sometimes send ips here */ | |
526 | show_ip(NULL, source_p) ? source_p->localClient->fullcaps : "<hidden> <hidden>", | |
527 | source_p->info); | |
528 | ||
212380e3 AC |
529 | add_to_hostname_hash(source_p->orighost, source_p); |
530 | ||
531 | /* Allocate a UID if it was not previously allocated. | |
532 | * If this already occured, it was probably during SASL auth... | |
533 | */ | |
534 | if(!*source_p->id) | |
535 | { | |
536 | strcpy(source_p->id, generate_uid()); | |
537 | add_to_id_hash(source_p->id, source_p); | |
538 | } | |
539 | ||
3318e109 AC |
540 | if (IsSSL(source_p)) |
541 | source_p->umodes |= UMODE_SSLCLIENT; | |
542 | ||
212380e3 AC |
543 | if (source_p->umodes & UMODE_INVISIBLE) |
544 | Count.invisi++; | |
545 | ||
546 | s_assert(!IsClient(source_p)); | |
330fc5c1 | 547 | rb_dlinkMoveNode(&source_p->localClient->tnode, &unknown_list, &lclient_list); |
212380e3 AC |
548 | SetClient(source_p); |
549 | ||
0a61720a | 550 | source_p->servptr = &me; |
330fc5c1 | 551 | rb_dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users); |
0a61720a | 552 | |
212380e3 AC |
553 | /* Increment our total user count here */ |
554 | if(++Count.total > Count.max_tot) | |
555 | Count.max_tot = Count.total; | |
0a61720a | 556 | |
212380e3 AC |
557 | Count.totalrestartcount++; |
558 | ||
559 | s_assert(source_p->localClient != NULL); | |
560 | ||
330fc5c1 | 561 | if(rb_dlink_list_length(&lclient_list) > (unsigned long)Count.max_loc) |
212380e3 | 562 | { |
330fc5c1 | 563 | Count.max_loc = rb_dlink_list_length(&lclient_list); |
212380e3 AC |
564 | if(!(Count.max_loc % 10)) |
565 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
566 | "New Max Local Clients: %d", Count.max_loc); | |
567 | } | |
568 | ||
569 | /* they get a reduced limit */ | |
570 | if(find_tgchange(source_p->sockhost)) | |
179becdf JT |
571 | source_p->localClient->targets_free = TGCHANGE_INITIAL_LOW; |
572 | else | |
573 | source_p->localClient->targets_free = TGCHANGE_INITIAL; | |
212380e3 | 574 | |
212380e3 AC |
575 | monitor_signon(source_p); |
576 | user_welcome(source_p); | |
577 | ||
578 | free_pre_client(source_p); | |
579 | ||
580 | return (introduce_client(client_p, source_p, user, source_p->name, 1)); | |
581 | } | |
582 | ||
583 | /* | |
584 | * introduce_clients | |
585 | * | |
586 | * inputs - | |
587 | * output - | |
588 | * side effects - This common function introduces a client to the rest | |
589 | * of the net, either from a local client connect or | |
590 | * from a remote connect. | |
591 | */ | |
592 | int | |
593 | introduce_client(struct Client *client_p, struct Client *source_p, struct User *user, const char *nick, int use_euid) | |
594 | { | |
9744d53e | 595 | char ubuf[BUFSIZE]; |
212380e3 AC |
596 | struct Client *identifyservice_p; |
597 | char *p; | |
598 | hook_data_umode_changed hdata; | |
599 | hook_data_client hdata2; | |
ca273a1c | 600 | char sockhost[HOSTLEN]; |
212380e3 AC |
601 | |
602 | if(MyClient(source_p)) | |
603 | send_umode(source_p, source_p, 0, 0, ubuf); | |
604 | else | |
605 | send_umode(NULL, source_p, 0, 0, ubuf); | |
606 | ||
607 | if(!*ubuf) | |
608 | { | |
609 | ubuf[0] = '+'; | |
610 | ubuf[1] = '\0'; | |
611 | } | |
612 | ||
ca273a1c AC |
613 | s_assert(has_id(source_p)); |
614 | ||
615 | if(source_p->sockhost[0] == ':') | |
212380e3 | 616 | { |
ca273a1c AC |
617 | sockhost[0] = '0'; |
618 | sockhost[1] = '\0'; | |
619 | rb_strlcat(sockhost, source_p->sockhost, sizeof(sockhost)); | |
620 | } else | |
621 | strcpy(sockhost, source_p->sockhost); | |
55abcbb2 | 622 | |
ca273a1c AC |
623 | if (use_euid) |
624 | sendto_server(client_p, NULL, CAP_EUID | CAP_TS6, NOCAPS, | |
625 | ":%s EUID %s %d %ld %s %s %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, | |
632 | IsDynSpoof(source_p) ? source_p->orighost : "*", | |
633 | EmptyString(source_p->user->suser) ? "*" : source_p->user->suser, | |
634 | source_p->info); | |
635 | ||
636 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, | |
637 | ":%s UID %s %d %ld %s %s %s %s %s :%s", | |
638 | source_p->servptr->id, nick, | |
639 | source_p->hopcount + 1, | |
640 | (long) source_p->tsinfo, ubuf, | |
641 | source_p->username, source_p->host, | |
642 | IsIPSpoof(source_p) ? "0" : sockhost, | |
643 | source_p->id, source_p->info); | |
212380e3 | 644 | |
8eda114a JT |
645 | if(!EmptyString(source_p->certfp)) |
646 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, | |
647 | ":%s ENCAP * CERTFP :%s", | |
648 | use_id(source_p), source_p->certfp); | |
649 | ||
212380e3 AC |
650 | if (IsDynSpoof(source_p)) |
651 | { | |
652 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * REALHOST %s", | |
653 | use_id(source_p), source_p->orighost); | |
212380e3 | 654 | } |
ca273a1c | 655 | |
212380e3 AC |
656 | if (!EmptyString(source_p->user->suser)) |
657 | { | |
658 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * LOGIN %s", | |
659 | use_id(source_p), source_p->user->suser); | |
212380e3 AC |
660 | } |
661 | ||
662 | if(MyConnect(source_p) && source_p->localClient->passwd) | |
663 | { | |
0a01ecfa JT |
664 | if (!EmptyString(ConfigFileEntry.identifyservice) && |
665 | !EmptyString(ConfigFileEntry.identifycommand)) | |
212380e3 AC |
666 | { |
667 | /* use user@server */ | |
668 | p = strchr(ConfigFileEntry.identifyservice, '@'); | |
669 | if (p != NULL) | |
670 | identifyservice_p = find_named_client(p + 1); | |
671 | else | |
672 | identifyservice_p = NULL; | |
673 | if (identifyservice_p != NULL) | |
12f4addb SB |
674 | { |
675 | if (!EmptyString(source_p->localClient->auth_user)) | |
676 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s %s", | |
677 | get_id(source_p, identifyservice_p), | |
678 | ConfigFileEntry.identifyservice, | |
679 | ConfigFileEntry.identifycommand, | |
680 | source_p->localClient->auth_user, | |
681 | source_p->localClient->passwd); | |
682 | else | |
683 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s", | |
684 | get_id(source_p, identifyservice_p), | |
685 | ConfigFileEntry.identifyservice, | |
686 | ConfigFileEntry.identifycommand, | |
687 | source_p->localClient->passwd); | |
688 | } | |
212380e3 AC |
689 | } |
690 | memset(source_p->localClient->passwd, 0, strlen(source_p->localClient->passwd)); | |
637c4932 | 691 | rb_free(source_p->localClient->passwd); |
212380e3 AC |
692 | source_p->localClient->passwd = NULL; |
693 | } | |
694 | ||
695 | /* let modules providing usermodes know that we've got a new user, | |
696 | * why is this here? -- well, some modules need to be able to send out new | |
697 | * information about a client, so this was the best place to do it | |
698 | * --nenolod | |
699 | */ | |
700 | hdata.client = source_p; | |
701 | hdata.oldumodes = 0; | |
702 | hdata.oldsnomask = 0; | |
703 | call_hook(h_umode_changed, &hdata); | |
704 | ||
705 | /* On the other hand, some modules need to know when a client is | |
706 | * being introduced, period. | |
707 | * --gxti | |
708 | */ | |
709 | hdata2.client = client_p; | |
710 | hdata2.target = source_p; | |
711 | call_hook(h_introduce_client, &hdata2); | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
55abcbb2 | 716 | /* |
212380e3 AC |
717 | * valid_hostname - check hostname for validity |
718 | * | |
719 | * Inputs - pointer to user | |
720 | * Output - YES if valid, NO if not | |
721 | * Side effects - NONE | |
722 | * | |
723 | * NOTE: this doesn't allow a hostname to begin with a dot and | |
724 | * will not allow more dots than chars. | |
725 | */ | |
726 | int | |
727 | valid_hostname(const char *hostname) | |
728 | { | |
9a180ae3 | 729 | const char *p = hostname, *last_slash = 0; |
212380e3 AC |
730 | int found_sep = 0; |
731 | ||
732 | s_assert(NULL != p); | |
733 | ||
734 | if(hostname == NULL) | |
735 | return NO; | |
736 | ||
3c80b425 AJ |
737 | if(!strcmp(hostname, "localhost")) |
738 | return YES; | |
739 | ||
9a180ae3 | 740 | if('.' == *p || ':' == *p || '/' == *p) |
212380e3 AC |
741 | return NO; |
742 | ||
743 | while (*p) | |
744 | { | |
745 | if(!IsHostChar(*p)) | |
746 | return NO; | |
747 | if(*p == '.' || *p == ':') | |
748 | found_sep++; | |
9a180ae3 SB |
749 | else if(*p == '/') |
750 | { | |
751 | found_sep++; | |
752 | last_slash = p; | |
753 | } | |
212380e3 AC |
754 | p++; |
755 | } | |
756 | ||
757 | if(found_sep == 0) | |
9a180ae3 SB |
758 | return NO; |
759 | ||
760 | if(last_slash && IsDigit(last_slash[1])) | |
761 | return NO; | |
212380e3 | 762 | |
9a180ae3 | 763 | return YES; |
212380e3 AC |
764 | } |
765 | ||
55abcbb2 | 766 | /* |
212380e3 AC |
767 | * valid_username - check username for validity |
768 | * | |
769 | * Inputs - pointer to user | |
770 | * Output - YES if valid, NO if not | |
771 | * Side effects - NONE | |
55abcbb2 | 772 | * |
212380e3 AC |
773 | * Absolutely always reject any '*' '!' '?' '@' in an user name |
774 | * reject any odd control characters names. | |
775 | * Allow '.' in username to allow for "first.last" | |
776 | * style of username | |
777 | */ | |
778 | int | |
779 | valid_username(const char *username) | |
780 | { | |
781 | int dots = 0; | |
782 | const char *p = username; | |
783 | ||
784 | s_assert(NULL != p); | |
785 | ||
786 | if(username == NULL) | |
787 | return NO; | |
788 | ||
789 | if('~' == *p) | |
790 | ++p; | |
791 | ||
792 | /* reject usernames that don't start with an alphanum | |
793 | * i.e. reject jokers who have '-@somehost' or '.@somehost' | |
794 | * or "-hi-@somehost", "h-----@somehost" would still be accepted. | |
795 | */ | |
796 | if(!IsAlNum(*p)) | |
797 | return NO; | |
798 | ||
799 | while (*++p) | |
800 | { | |
801 | if((*p == '.') && ConfigFileEntry.dots_in_ident) | |
802 | { | |
803 | dots++; | |
804 | if(dots > ConfigFileEntry.dots_in_ident) | |
805 | return NO; | |
806 | if(!IsUserChar(p[1])) | |
807 | return NO; | |
808 | } | |
809 | else if(!IsUserChar(*p)) | |
810 | return NO; | |
811 | } | |
812 | return YES; | |
813 | } | |
814 | ||
815 | /* report_and_set_user_flags | |
816 | * | |
817 | * Inputs - pointer to source_p | |
818 | * - pointer to aconf for this user | |
819 | * Output - NONE | |
820 | * Side effects - | |
821 | * Report to user any special flags they are getting, and set them. | |
822 | */ | |
823 | ||
824 | static void | |
825 | report_and_set_user_flags(struct Client *source_p, struct ConfItem *aconf) | |
826 | { | |
827 | /* If this user is being spoofed, tell them so */ | |
828 | if(IsConfDoSpoofIp(aconf)) | |
829 | { | |
e07de82c | 830 | sendto_one_notice(source_p, ":*** Spoofing your IP"); |
212380e3 AC |
831 | } |
832 | ||
833 | /* If this user is in the exception class, Set it "E lined" */ | |
834 | if(IsConfExemptKline(aconf)) | |
835 | { | |
836 | SetExemptKline(source_p); | |
5c16ab05 | 837 | sendto_one_notice(source_p, ":*** You are exempt from K/X lines"); |
212380e3 AC |
838 | } |
839 | ||
212380e3 AC |
840 | if(IsConfExemptDNSBL(aconf)) |
841 | /* kline exempt implies this, don't send both */ | |
842 | if(!IsConfExemptKline(aconf)) | |
e07de82c | 843 | sendto_one_notice(source_p, ":*** You are exempt from DNS blacklists"); |
212380e3 AC |
844 | |
845 | /* If this user is exempt from user limits set it F lined" */ | |
846 | if(IsConfExemptLimits(aconf)) | |
847 | { | |
e07de82c | 848 | sendto_one_notice(source_p, ":*** You are exempt from user limits"); |
212380e3 AC |
849 | } |
850 | ||
212380e3 AC |
851 | if(IsConfExemptFlood(aconf)) |
852 | { | |
853 | SetExemptFlood(source_p); | |
e07de82c | 854 | sendto_one_notice(source_p, ":*** You are exempt from flood limits"); |
212380e3 AC |
855 | } |
856 | ||
857 | if(IsConfExemptSpambot(aconf)) | |
858 | { | |
859 | SetExemptSpambot(source_p); | |
e07de82c | 860 | sendto_one_notice(source_p, ":*** You are exempt from spambot checks"); |
212380e3 AC |
861 | } |
862 | ||
863 | if(IsConfExemptJupe(aconf)) | |
864 | { | |
865 | SetExemptJupe(source_p); | |
e07de82c | 866 | sendto_one_notice(source_p, ":*** You are exempt from juped channel warnings"); |
212380e3 AC |
867 | } |
868 | ||
869 | if(IsConfExemptResv(aconf)) | |
870 | { | |
871 | SetExemptResv(source_p); | |
e07de82c | 872 | sendto_one_notice(source_p, ":*** You are exempt from resvs"); |
212380e3 AC |
873 | } |
874 | ||
875 | if(IsConfExemptShide(aconf)) | |
876 | { | |
877 | SetExemptShide(source_p); | |
e07de82c | 878 | sendto_one_notice(source_p, ":*** You are exempt from serverhiding"); |
212380e3 AC |
879 | } |
880 | } | |
881 | ||
681ddf64 JT |
882 | static void |
883 | show_other_user_mode(struct Client *source_p, struct Client *target_p) | |
884 | { | |
885 | int i; | |
886 | char buf[BUFSIZE]; | |
887 | char *m; | |
888 | ||
889 | m = buf; | |
890 | *m++ = '+'; | |
891 | ||
892 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
893 | if (target_p->umodes & user_modes[i]) | |
894 | *m++ = (char) i; | |
895 | *m = '\0'; | |
896 | ||
897 | if (MyConnect(target_p) && target_p->snomask != 0) | |
898 | sendto_one_notice(source_p, ":Modes for %s are %s %s", | |
899 | target_p->name, buf, | |
900 | construct_snobuf(target_p->snomask)); | |
901 | else | |
902 | sendto_one_notice(source_p, ":Modes for %s are %s", | |
903 | target_p->name, buf); | |
904 | } | |
905 | ||
212380e3 AC |
906 | /* |
907 | * user_mode - set get current users mode | |
908 | * | |
909 | * m_umode() added 15/10/91 By Darren Reed. | |
212380e3 AC |
910 | * parv[1] - username to change mode for |
911 | * parv[2] - modes to change | |
912 | */ | |
913 | int | |
914 | user_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
915 | { | |
916 | int flag; | |
917 | int i; | |
918 | char *m; | |
919 | const char *pm; | |
920 | struct Client *target_p; | |
921 | int what, setflags; | |
922 | int badflag = NO; /* Only send one bad flag notice */ | |
923 | int showsnomask = NO; | |
924 | unsigned int setsnomask; | |
925 | char buf[BUFSIZE]; | |
926 | hook_data_umode_changed hdata; | |
927 | ||
928 | what = MODE_ADD; | |
929 | ||
930 | if(parc < 2) | |
931 | { | |
932 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "MODE"); | |
933 | return 0; | |
934 | } | |
935 | ||
936 | if((target_p = MyClient(source_p) ? find_named_person(parv[1]) : find_person(parv[1])) == NULL) | |
937 | { | |
938 | if(MyConnect(source_p)) | |
939 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
940 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
941 | return 0; | |
942 | } | |
943 | ||
944 | /* Dont know why these were commented out.. | |
945 | * put them back using new sendto() funcs | |
946 | */ | |
947 | ||
948 | if(IsServer(source_p)) | |
949 | { | |
950 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, | |
951 | "*** Mode for User %s from %s", parv[1], source_p->name); | |
952 | return 0; | |
953 | } | |
954 | ||
c98c2c89 | 955 | if(source_p != target_p) |
212380e3 | 956 | { |
681ddf64 JT |
957 | if (MyOper(source_p) && parc < 3) |
958 | show_other_user_mode(source_p, target_p); | |
959 | else | |
960 | sendto_one(source_p, form_str(ERR_USERSDONTMATCH), me.name, source_p->name); | |
212380e3 AC |
961 | return 0; |
962 | } | |
963 | ||
964 | if(parc < 3) | |
965 | { | |
966 | m = buf; | |
967 | *m++ = '+'; | |
968 | ||
969 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
970 | if (source_p->umodes & user_modes[i]) | |
971 | *m++ = (char) i; | |
972 | ||
973 | *m = '\0'; | |
e8a2d50d | 974 | sendto_one_numeric(source_p, RPL_UMODEIS, form_str(RPL_UMODEIS), buf); |
88520303 | 975 | |
212380e3 | 976 | if (source_p->snomask != 0) |
88520303 | 977 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 978 | construct_snobuf(source_p->snomask)); |
88520303 | 979 | |
212380e3 AC |
980 | return 0; |
981 | } | |
982 | ||
983 | /* find flags already set for user */ | |
984 | setflags = source_p->umodes; | |
985 | setsnomask = source_p->snomask; | |
986 | ||
987 | /* | |
988 | * parse mode change string(s) | |
989 | */ | |
990 | for (pm = parv[2]; *pm; pm++) | |
991 | switch (*pm) | |
992 | { | |
993 | case '+': | |
994 | what = MODE_ADD; | |
995 | break; | |
996 | case '-': | |
997 | what = MODE_DEL; | |
998 | break; | |
999 | ||
1000 | case 'o': | |
1001 | if(what == MODE_ADD) | |
1002 | { | |
1003 | if(IsServer(client_p) && !IsOper(source_p)) | |
1004 | { | |
1005 | ++Count.oper; | |
1006 | SetOper(source_p); | |
330fc5c1 | 1007 | rb_dlinkAddAlloc(source_p, &oper_list); |
212380e3 AC |
1008 | } |
1009 | } | |
1010 | else | |
1011 | { | |
1012 | /* Only decrement the oper counts if an oper to begin with | |
55abcbb2 | 1013 | * found by Pat Szuta, Perly , perly@xnet.com |
212380e3 AC |
1014 | */ |
1015 | ||
1016 | if(!IsOper(source_p)) | |
1017 | break; | |
1018 | ||
1019 | ClearOper(source_p); | |
1020 | ||
1021 | Count.oper--; | |
1022 | ||
1023 | if(MyConnect(source_p)) | |
1024 | { | |
1025 | source_p->umodes &= ~ConfigFileEntry.oper_only_umodes; | |
1026 | if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0) | |
1027 | { | |
1028 | source_p->snomask = 0; | |
1029 | showsnomask = YES; | |
1030 | } | |
1031 | source_p->flags2 &= ~OPER_FLAGS; | |
1032 | ||
637c4932 | 1033 | rb_free(source_p->localClient->opername); |
212380e3 AC |
1034 | source_p->localClient->opername = NULL; |
1035 | ||
330fc5c1 | 1036 | rb_dlinkFindDestroy(source_p, &local_oper_list); |
83dfad0e JT |
1037 | privilegeset_unref(source_p->localClient->privset); |
1038 | source_p->localClient->privset = NULL; | |
212380e3 AC |
1039 | } |
1040 | ||
330fc5c1 | 1041 | rb_dlinkFindDestroy(source_p, &oper_list); |
212380e3 AC |
1042 | } |
1043 | break; | |
1044 | ||
1045 | /* we may not get these, | |
1046 | * but they shouldnt be in default | |
1047 | */ | |
1048 | ||
1049 | /* can only be set on burst */ | |
1050 | case 'S': | |
3318e109 | 1051 | case 'Z': |
212380e3 AC |
1052 | case ' ': |
1053 | case '\n': | |
1054 | case '\r': | |
1055 | case '\t': | |
1056 | break; | |
1057 | ||
1058 | case 's': | |
1059 | if (MyConnect(source_p)) | |
1060 | { | |
1061 | if(!IsOper(source_p) | |
1062 | && (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE)) | |
1063 | { | |
1064 | if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE) | |
1065 | badflag = YES; | |
1066 | continue; | |
1067 | } | |
1068 | showsnomask = YES; | |
1069 | if(what == MODE_ADD) | |
1070 | { | |
1071 | if (parc > 3) | |
1072 | source_p->snomask = parse_snobuf_to_mask(source_p->snomask, parv[3]); | |
1073 | else | |
1074 | source_p->snomask |= SNO_GENERAL; | |
1075 | } | |
1076 | else | |
1077 | source_p->snomask = 0; | |
1078 | if (source_p->snomask != 0) | |
1079 | source_p->umodes |= UMODE_SERVNOTICE; | |
1080 | else | |
1081 | source_p->umodes &= ~UMODE_SERVNOTICE; | |
1082 | break; | |
1083 | } | |
1084 | /* FALLTHROUGH */ | |
1085 | default: | |
2da6f6eb JT |
1086 | if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward) |
1087 | { | |
1088 | badflag = YES; | |
1089 | break; | |
1090 | } | |
1091 | ||
212380e3 AC |
1092 | if((flag = user_modes[(unsigned char) *pm])) |
1093 | { | |
1094 | if(MyConnect(source_p) | |
a8086a7c JT |
1095 | && ((!IsOper(source_p) |
1096 | && (ConfigFileEntry.oper_only_umodes & flag)) | |
1097 | || (orphaned_umodes & flag))) | |
212380e3 AC |
1098 | { |
1099 | if (what == MODE_ADD || source_p->umodes & flag) | |
1100 | badflag = YES; | |
1101 | } | |
1102 | else | |
1103 | { | |
1104 | if(what == MODE_ADD) | |
1105 | source_p->umodes |= flag; | |
1106 | else | |
1107 | source_p->umodes &= ~flag; | |
1108 | } | |
1109 | } | |
1110 | else | |
1111 | { | |
1112 | if(MyConnect(source_p)) | |
1113 | badflag = YES; | |
1114 | } | |
1115 | break; | |
1116 | } | |
1117 | ||
1118 | if(badflag) | |
1119 | sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), me.name, source_p->name); | |
1120 | ||
1121 | if(MyClient(source_p) && (source_p->snomask & SNO_NCHANGE) && !IsOperN(source_p)) | |
1122 | { | |
b4838ccd | 1123 | sendto_one_notice(source_p, ":*** You need oper and nick_changes flag for +s +n"); |
212380e3 AC |
1124 | source_p->snomask &= ~SNO_NCHANGE; /* only tcm's really need this */ |
1125 | } | |
1126 | ||
1127 | if(MyClient(source_p) && (source_p->umodes & UMODE_OPERWALL) && !IsOperOperwall(source_p)) | |
1128 | { | |
5366977b | 1129 | sendto_one_notice(source_p, ":*** You need oper and operwall flag for +z"); |
212380e3 AC |
1130 | source_p->umodes &= ~UMODE_OPERWALL; |
1131 | } | |
1132 | ||
1133 | if(MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) && | |
1134 | (!IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))) | |
1135 | { | |
b4838ccd | 1136 | sendto_one_notice(source_p, ":*** You need oper and admin flag for +a"); |
212380e3 AC |
1137 | source_p->umodes &= ~UMODE_ADMIN; |
1138 | } | |
1139 | ||
1140 | /* let modules providing usermodes know that we've changed our usermode --nenolod */ | |
1141 | hdata.client = source_p; | |
1142 | hdata.oldumodes = setflags; | |
1143 | hdata.oldsnomask = setsnomask; | |
1144 | call_hook(h_umode_changed, &hdata); | |
1145 | ||
1146 | if(!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p)) | |
1147 | ++Count.invisi; | |
1148 | if((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1149 | --Count.invisi; | |
1150 | /* | |
1151 | * compare new flags with old flags and send string which | |
1152 | * will cause servers to update correctly. | |
1153 | */ | |
1154 | send_umode_out(client_p, source_p, setflags); | |
1155 | if (showsnomask && MyConnect(source_p)) | |
88520303 | 1156 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1157 | construct_snobuf(source_p->snomask)); |
1158 | ||
1159 | return (0); | |
1160 | } | |
1161 | ||
1162 | /* | |
1163 | * send the MODE string for user (user) to connection client_p | |
1164 | * -avalon | |
1165 | */ | |
1166 | void | |
1167 | send_umode(struct Client *client_p, struct Client *source_p, int old, int sendmask, char *umode_buf) | |
1168 | { | |
1169 | int i; | |
1170 | int flag; | |
1171 | char *m; | |
1172 | int what = 0; | |
1173 | ||
1174 | /* | |
1175 | * build a string in umode_buf to represent the change in the user's | |
1176 | * mode between the new (source_p->flag) and 'old'. | |
1177 | */ | |
1178 | m = umode_buf; | |
1179 | *m = '\0'; | |
1180 | ||
1181 | for (i = 0; i < 128; i++) | |
1182 | { | |
1183 | flag = user_modes[i]; | |
1184 | ||
1185 | if((flag & old) && !(source_p->umodes & flag)) | |
1186 | { | |
1187 | if(what == MODE_DEL) | |
1188 | *m++ = (char) i; | |
1189 | else | |
1190 | { | |
1191 | what = MODE_DEL; | |
1192 | *m++ = '-'; | |
1193 | *m++ = (char) i; | |
1194 | } | |
1195 | } | |
1196 | else if(!(flag & old) && (source_p->umodes & flag)) | |
1197 | { | |
1198 | if(what == MODE_ADD) | |
1199 | *m++ = (char) i; | |
1200 | else | |
1201 | { | |
1202 | what = MODE_ADD; | |
1203 | *m++ = '+'; | |
1204 | *m++ = (char) i; | |
1205 | } | |
1206 | } | |
1207 | } | |
1208 | *m = '\0'; | |
1209 | ||
1210 | if(*umode_buf && client_p) | |
1211 | sendto_one(client_p, ":%s MODE %s :%s", source_p->name, source_p->name, umode_buf); | |
1212 | } | |
1213 | ||
1214 | /* | |
1215 | * send_umode_out | |
1216 | * | |
1217 | * inputs - | |
1218 | * output - NONE | |
55abcbb2 | 1219 | * side effects - |
212380e3 AC |
1220 | */ |
1221 | void | |
1222 | send_umode_out(struct Client *client_p, struct Client *source_p, int old) | |
1223 | { | |
1224 | struct Client *target_p; | |
1225 | char buf[BUFSIZE]; | |
330fc5c1 | 1226 | rb_dlink_node *ptr; |
212380e3 AC |
1227 | |
1228 | send_umode(NULL, source_p, old, 0, buf); | |
1229 | ||
5cefa1d6 | 1230 | RB_DLINK_FOREACH(ptr, serv_list.head) |
212380e3 AC |
1231 | { |
1232 | target_p = ptr->data; | |
1233 | ||
1234 | if((target_p != client_p) && (target_p != source_p) && (*buf)) | |
1235 | { | |
1236 | sendto_one(target_p, ":%s MODE %s :%s", | |
55abcbb2 | 1237 | get_id(source_p, target_p), |
212380e3 AC |
1238 | get_id(source_p, target_p), buf); |
1239 | } | |
1240 | } | |
1241 | ||
1242 | if(client_p && MyClient(client_p)) | |
1243 | send_umode(client_p, source_p, old, 0, buf); | |
1244 | } | |
1245 | ||
55abcbb2 | 1246 | /* |
212380e3 AC |
1247 | * user_welcome |
1248 | * | |
1249 | * inputs - client pointer to client to welcome | |
1250 | * output - NONE | |
1251 | * side effects - | |
1252 | */ | |
1253 | void | |
1254 | user_welcome(struct Client *source_p) | |
1255 | { | |
88520303 AC |
1256 | sendto_one_numeric(source_p, RPL_WELCOME, form_str(RPL_WELCOME), ServerInfo.network_name, source_p->name); |
1257 | sendto_one_numeric(source_p, RPL_YOURHOST, form_str(RPL_YOURHOST), | |
212380e3 | 1258 | get_listener_name(source_p->localClient->listener), ircd_version); |
88520303 | 1259 | sendto_one_numeric(source_p, RPL_CREATED, form_str(RPL_CREATED), creation); |
c18cb68b | 1260 | sendto_one_numeric(source_p, RPL_MYINFO, form_str(RPL_MYINFO), me.name, ircd_version, umodebuf, cflagsmyinfo); |
212380e3 AC |
1261 | |
1262 | show_isupport(source_p); | |
1263 | ||
1264 | show_lusers(source_p); | |
1265 | ||
1266 | if(ConfigFileEntry.short_motd) | |
1267 | { | |
5366977b AC |
1268 | sendto_one_notice(source_p, ":*** Notice -- motd was last changed at %s", user_motd_changed); |
1269 | sendto_one_notice(source_p, ":*** Notice -- Please read the motd if you haven't read it"); | |
212380e3 | 1270 | |
55abcbb2 | 1271 | sendto_one(source_p, form_str(RPL_MOTDSTART), |
212380e3 AC |
1272 | me.name, source_p->name, me.name); |
1273 | ||
1274 | sendto_one(source_p, form_str(RPL_MOTD), | |
1275 | me.name, source_p->name, "*** This is the short motd ***"); | |
1276 | ||
1277 | sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, source_p->name); | |
1278 | } | |
1279 | else | |
1280 | send_user_motd(source_p); | |
1281 | } | |
1282 | ||
1283 | /* oper_up() | |
1284 | * | |
1285 | * inputs - pointer to given client to oper | |
1286 | * - pointer to ConfItem to use | |
1287 | * output - none | |
1288 | * side effects - opers up source_p using aconf for reference | |
1289 | */ | |
1290 | int | |
1291 | oper_up(struct Client *source_p, struct oper_conf *oper_p) | |
1292 | { | |
1293 | unsigned int old = source_p->umodes, oldsnomask = source_p->snomask; | |
1294 | hook_data_umode_changed hdata; | |
1295 | ||
1296 | SetOper(source_p); | |
1297 | ||
1298 | if(oper_p->umodes) | |
1299 | source_p->umodes |= oper_p->umodes; | |
1300 | else if(ConfigFileEntry.oper_umodes) | |
1301 | source_p->umodes |= ConfigFileEntry.oper_umodes; | |
1302 | else | |
1303 | source_p->umodes |= DEFAULT_OPER_UMODES; | |
1304 | ||
1305 | if (oper_p->snomask) | |
1306 | { | |
1307 | source_p->snomask |= oper_p->snomask; | |
1308 | source_p->umodes |= UMODE_SERVNOTICE; | |
1309 | } | |
1310 | else if (source_p->umodes & UMODE_SERVNOTICE) | |
1311 | { | |
1312 | /* Only apply these if +s is already set -- jilles */ | |
1313 | if (ConfigFileEntry.oper_snomask) | |
1314 | source_p->snomask |= ConfigFileEntry.oper_snomask; | |
1315 | else | |
1316 | source_p->snomask |= DEFAULT_OPER_SNOMASK; | |
1317 | } | |
1318 | ||
1319 | Count.oper++; | |
1320 | ||
1321 | SetExemptKline(source_p); | |
1322 | ||
1323 | source_p->flags2 |= oper_p->flags; | |
47a03750 | 1324 | source_p->localClient->opername = rb_strdup(oper_p->name); |
ef242716 | 1325 | source_p->localClient->privset = privilegeset_ref(oper_p->privset); |
212380e3 | 1326 | |
330fc5c1 AC |
1327 | rb_dlinkAddAlloc(source_p, &local_oper_list); |
1328 | rb_dlinkAddAlloc(source_p, &oper_list); | |
212380e3 AC |
1329 | |
1330 | if(IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p)) | |
1331 | source_p->umodes |= UMODE_ADMIN; | |
1332 | if(!IsOperN(source_p)) | |
1333 | source_p->snomask &= ~SNO_NCHANGE; | |
1334 | if(!IsOperOperwall(source_p)) | |
1335 | source_p->umodes &= ~UMODE_OPERWALL; | |
1336 | hdata.client = source_p; | |
1337 | hdata.oldumodes = old; | |
1338 | hdata.oldsnomask = oldsnomask; | |
1339 | call_hook(h_umode_changed, &hdata); | |
1340 | ||
1341 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
5cca545c | 1342 | "%s (%s!%s@%s) is now an operator", oper_p->name, source_p->name, |
212380e3 | 1343 | source_p->username, source_p->host); |
652b8478 JT |
1344 | if(!(old & UMODE_INVISIBLE) && IsInvisible(source_p)) |
1345 | ++Count.invisi; | |
1346 | if((old & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1347 | --Count.invisi; | |
212380e3 | 1348 | send_umode_out(source_p, source_p, old); |
88520303 | 1349 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1350 | construct_snobuf(source_p->snomask)); |
1351 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
22c3b270 AC |
1352 | sendto_one_notice(source_p, ":*** Oper privilege set is %s", oper_p->privset->name); |
1353 | sendto_one_notice(source_p, ":*** Oper privs are %s", oper_p->privset->privs); | |
212380e3 AC |
1354 | send_oper_motd(source_p); |
1355 | ||
1356 | return (1); | |
1357 | } | |
1358 | ||
01cebbd8 JT |
1359 | /* |
1360 | * find_umode_slot | |
1361 | * | |
1362 | * inputs - NONE | |
1363 | * outputs - an available umode bitmask or | |
1364 | * 0 if no umodes are available | |
1365 | * side effects - NONE | |
1366 | */ | |
1367 | unsigned int | |
1368 | find_umode_slot(void) | |
1369 | { | |
1370 | unsigned int all_umodes = 0, my_umode = 0, i; | |
1371 | ||
1372 | for (i = 0; i < 128; i++) | |
1373 | all_umodes |= user_modes[i]; | |
1374 | ||
1375 | for (my_umode = 1; my_umode && (all_umodes & my_umode); | |
1376 | my_umode <<= 1); | |
1377 | ||
1378 | return my_umode; | |
1379 | } | |
1380 | ||
212380e3 AC |
1381 | void |
1382 | construct_umodebuf(void) | |
1383 | { | |
1384 | int i; | |
1385 | char *ptr = umodebuf; | |
a8086a7c | 1386 | static int prev_user_modes[128]; |
212380e3 AC |
1387 | |
1388 | *ptr = '\0'; | |
1389 | ||
1390 | for (i = 0; i < 128; i++) | |
a8086a7c JT |
1391 | { |
1392 | if (prev_user_modes[i] != 0 && prev_user_modes[i] != user_modes[i]) | |
1393 | { | |
1394 | if (user_modes[i] == 0) | |
1395 | { | |
1396 | orphaned_umodes |= prev_user_modes[i]; | |
1397 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Umode +%c is now orphaned", i); | |
1398 | } | |
1399 | else | |
1400 | { | |
1401 | orphaned_umodes &= ~prev_user_modes[i]; | |
1402 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned umode +%c is picked up by module", i); | |
1403 | } | |
1404 | user_modes[i] = prev_user_modes[i]; | |
1405 | } | |
1406 | else | |
1407 | prev_user_modes[i] = user_modes[i]; | |
212380e3 AC |
1408 | if (user_modes[i]) |
1409 | *ptr++ = (char) i; | |
a8086a7c | 1410 | } |
212380e3 AC |
1411 | |
1412 | *ptr++ = '\0'; | |
1413 | } | |
1414 | ||
1415 | void | |
1416 | change_nick_user_host(struct Client *target_p, const char *nick, const char *user, | |
82622732 | 1417 | const char *host, int newts, const char *format, ...) |
212380e3 | 1418 | { |
330fc5c1 | 1419 | rb_dlink_node *ptr; |
212380e3 AC |
1420 | struct Channel *chptr; |
1421 | struct membership *mscptr; | |
1422 | int changed = irccmp(target_p->name, nick); | |
1423 | int changed_case = strcmp(target_p->name, nick); | |
1424 | int do_qjm = irccmp(target_p->username, user) || irccmp(target_p->host, host); | |
1425 | char mode[10], modeval[NICKLEN * 2 + 2], reason[256], *mptr; | |
1426 | va_list ap; | |
1427 | ||
1428 | modeval[0] = '\0'; | |
55abcbb2 | 1429 | |
212380e3 AC |
1430 | if(changed) |
1431 | { | |
1432 | target_p->tsinfo = newts; | |
1433 | monitor_signoff(target_p); | |
1434 | } | |
1435 | invalidate_bancache_user(target_p); | |
1436 | ||
1437 | if(do_qjm) | |
1438 | { | |
1439 | va_start(ap, format); | |
1440 | vsnprintf(reason, 255, format, ap); | |
1441 | va_end(ap); | |
1442 | ||
7a948bda | 1443 | sendto_common_channels_local_butone(target_p, NOCAPS, ":%s!%s@%s QUIT :%s", |
212380e3 AC |
1444 | target_p->name, target_p->username, target_p->host, |
1445 | reason); | |
1446 | ||
5cefa1d6 | 1447 | RB_DLINK_FOREACH(ptr, target_p->user->channel.head) |
212380e3 AC |
1448 | { |
1449 | mscptr = ptr->data; | |
1450 | chptr = mscptr->chptr; | |
1451 | mptr = mode; | |
1452 | ||
1453 | if(is_chanop(mscptr)) | |
1454 | { | |
1455 | *mptr++ = 'o'; | |
1456 | strcat(modeval, nick); | |
1457 | strcat(modeval, " "); | |
1458 | } | |
1459 | ||
1460 | if(is_voiced(mscptr)) | |
1461 | { | |
1462 | *mptr++ = 'v'; | |
1463 | strcat(modeval, nick); | |
1464 | } | |
1465 | ||
1466 | *mptr = '\0'; | |
1467 | ||
a695b0e4 SB |
1468 | sendto_channel_local_with_capability_butone(target_p, ALL_MEMBERS, NOCAPS, CLICAP_EXTENDED_JOIN, chptr, |
1469 | ":%s!%s@%s JOIN %s", nick, user, host, chptr->chname); | |
1470 | sendto_channel_local_with_capability_butone(target_p, ALL_MEMBERS, CLICAP_EXTENDED_JOIN, NOCAPS, chptr, | |
1471 | ":%s!%s@%s JOIN %s %s :%s", nick, user, host, chptr->chname, | |
1472 | EmptyString(target_p->user->suser) ? "*" : target_p->user->suser, | |
1473 | target_p->info); | |
1474 | ||
212380e3 AC |
1475 | if(*mode) |
1476 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, | |
1477 | ":%s MODE %s +%s %s", | |
1478 | target_p->servptr->name, | |
1479 | chptr->chname, mode, modeval); | |
1480 | ||
1481 | *modeval = '\0'; | |
1482 | } | |
1483 | ||
c5bbc603 KB |
1484 | /* Resend away message to away-notify enabled clients. */ |
1485 | if (target_p->user->away) | |
1486 | sendto_common_channels_local_butone(target_p, CLICAP_AWAY_NOTIFY, ":%s!%s@%s AWAY :%s", | |
1487 | target_p->name, target_p->username, target_p->host, | |
1488 | target_p->user->away); | |
1489 | ||
212380e3 AC |
1490 | if(MyClient(target_p) && changed_case) |
1491 | sendto_one(target_p, ":%s!%s@%s NICK %s", | |
1492 | target_p->name, target_p->username, target_p->host, nick); | |
ae4ce45f KB |
1493 | |
1494 | /* TODO: send some snotes to SNO_NCHANGE/SNO_CCONN/SNO_CCONNEXT? */ | |
212380e3 AC |
1495 | } |
1496 | else if(changed_case) | |
1497 | { | |
7a948bda | 1498 | sendto_common_channels_local(target_p, NOCAPS, ":%s!%s@%s NICK :%s", |
212380e3 AC |
1499 | target_p->name, target_p->username, |
1500 | target_p->host, nick); | |
ae4ce45f | 1501 | |
34616c3b JT |
1502 | if(MyConnect(target_p)) |
1503 | sendto_realops_snomask(SNO_NCHANGE, L_ALL, | |
1504 | "Nick change: From %s to %s [%s@%s]", | |
1505 | target_p->name, nick, | |
1506 | target_p->username, target_p->host); | |
212380e3 AC |
1507 | } |
1508 | ||
f427c8b0 VY |
1509 | rb_strlcpy(target_p->username, user, sizeof target_p->username); |
1510 | rb_strlcpy(target_p->host, host, sizeof target_p->host); | |
212380e3 AC |
1511 | |
1512 | if (changed) | |
1513 | add_history(target_p, 1); | |
1514 | ||
1515 | del_from_client_hash(target_p->name, target_p); | |
f427c8b0 | 1516 | rb_strlcpy(target_p->name, nick, NICKLEN); |
212380e3 AC |
1517 | add_to_client_hash(target_p->name, target_p); |
1518 | ||
1519 | if(changed) | |
1520 | { | |
1521 | monitor_signon(target_p); | |
1522 | del_all_accepts(target_p); | |
1523 | } | |
1524 | } |