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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 | |
21251822 | 222 | register_local_user(struct Client *client_p, struct Client *source_p) |
212380e3 | 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)); | |
212380e3 AC |
233 | |
234 | if(source_p == NULL) | |
235 | return -1; | |
236 | ||
237 | if(IsAnyDead(source_p)) | |
238 | return -1; | |
239 | ||
240 | if(ConfigFileEntry.ping_cookie) | |
241 | { | |
242 | if(!(source_p->flags & FLAGS_PINGSENT) && source_p->localClient->random_ping == 0) | |
243 | { | |
244 | source_p->localClient->random_ping = (unsigned long) (rand() * rand()) << 1; | |
245 | sendto_one(source_p, "PING :%08lX", | |
246 | (unsigned long) source_p->localClient->random_ping); | |
247 | source_p->flags |= FLAGS_PINGSENT; | |
248 | return -1; | |
249 | } | |
095328a7 | 250 | if(!(source_p->flags & FLAGS_PING_COOKIE)) |
212380e3 AC |
251 | { |
252 | return -1; | |
253 | } | |
254 | } | |
255 | ||
256 | /* hasnt finished client cap negotiation */ | |
095328a7 | 257 | if(source_p->flags & FLAGS_CLICAP) |
212380e3 AC |
258 | return -1; |
259 | ||
260 | /* still has DNSbls to validate against */ | |
330fc5c1 | 261 | if(rb_dlink_list_length(&source_p->preClient->dnsbl_queries) > 0) |
212380e3 AC |
262 | return -1; |
263 | ||
e3354945 | 264 | client_p->localClient->last = rb_current_time(); |
212380e3 AC |
265 | |
266 | /* XXX - fixme. we shouldnt have to build a users buffer twice.. */ | |
21251822 | 267 | if(!IsGotId(source_p) && (strchr(source_p->username, '[') != NULL)) |
212380e3 AC |
268 | { |
269 | const char *p; | |
270 | int i = 0; | |
271 | ||
21251822 | 272 | p = source_p->username; |
212380e3 AC |
273 | |
274 | while(*p && i < USERLEN) | |
275 | { | |
276 | if(*p != '[') | |
277 | myusername[i++] = *p; | |
278 | p++; | |
279 | } | |
280 | ||
281 | myusername[i] = '\0'; | |
212380e3 | 282 | } |
21251822 | 283 | else |
dd64bf8d | 284 | rb_strlcpy(myusername, source_p->username, sizeof myusername); |
212380e3 | 285 | |
21251822 | 286 | if((status = check_client(client_p, source_p, myusername)) < 0) |
212380e3 AC |
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 | 341 | { |
21251822 | 342 | p = myusername; |
212380e3 AC |
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; | |
600 | ||
601 | if(MyClient(source_p)) | |
29c92cf9 | 602 | send_umode(source_p, source_p, 0, ubuf); |
212380e3 | 603 | else |
29c92cf9 | 604 | send_umode(NULL, source_p, 0, ubuf); |
212380e3 AC |
605 | |
606 | if(!*ubuf) | |
607 | { | |
608 | ubuf[0] = '+'; | |
609 | ubuf[1] = '\0'; | |
610 | } | |
611 | ||
ca273a1c AC |
612 | s_assert(has_id(source_p)); |
613 | ||
ca273a1c AC |
614 | if (use_euid) |
615 | sendto_server(client_p, NULL, CAP_EUID | CAP_TS6, NOCAPS, | |
616 | ":%s EUID %s %d %ld %s %s %s %s %s %s %s :%s", | |
617 | source_p->servptr->id, nick, | |
618 | source_p->hopcount + 1, | |
619 | (long) source_p->tsinfo, ubuf, | |
620 | source_p->username, source_p->host, | |
e9f86e32 | 621 | IsIPSpoof(source_p) ? "0" : source_p->sockhost, |
ca273a1c AC |
622 | source_p->id, |
623 | IsDynSpoof(source_p) ? source_p->orighost : "*", | |
624 | EmptyString(source_p->user->suser) ? "*" : source_p->user->suser, | |
625 | source_p->info); | |
626 | ||
627 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, | |
628 | ":%s UID %s %d %ld %s %s %s %s %s :%s", | |
629 | source_p->servptr->id, nick, | |
630 | source_p->hopcount + 1, | |
631 | (long) source_p->tsinfo, ubuf, | |
632 | source_p->username, source_p->host, | |
e9f86e32 | 633 | IsIPSpoof(source_p) ? "0" : source_p->sockhost, |
ca273a1c | 634 | source_p->id, source_p->info); |
212380e3 | 635 | |
8eda114a JT |
636 | if(!EmptyString(source_p->certfp)) |
637 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, | |
638 | ":%s ENCAP * CERTFP :%s", | |
639 | use_id(source_p), source_p->certfp); | |
640 | ||
212380e3 AC |
641 | if (IsDynSpoof(source_p)) |
642 | { | |
643 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * REALHOST %s", | |
644 | use_id(source_p), source_p->orighost); | |
212380e3 | 645 | } |
ca273a1c | 646 | |
212380e3 AC |
647 | if (!EmptyString(source_p->user->suser)) |
648 | { | |
649 | sendto_server(client_p, NULL, CAP_TS6, use_euid ? CAP_EUID : NOCAPS, ":%s ENCAP * LOGIN %s", | |
650 | use_id(source_p), source_p->user->suser); | |
212380e3 AC |
651 | } |
652 | ||
653 | if(MyConnect(source_p) && source_p->localClient->passwd) | |
654 | { | |
0a01ecfa JT |
655 | if (!EmptyString(ConfigFileEntry.identifyservice) && |
656 | !EmptyString(ConfigFileEntry.identifycommand)) | |
212380e3 AC |
657 | { |
658 | /* use user@server */ | |
659 | p = strchr(ConfigFileEntry.identifyservice, '@'); | |
660 | if (p != NULL) | |
661 | identifyservice_p = find_named_client(p + 1); | |
662 | else | |
663 | identifyservice_p = NULL; | |
664 | if (identifyservice_p != NULL) | |
12f4addb SB |
665 | { |
666 | if (!EmptyString(source_p->localClient->auth_user)) | |
667 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s %s", | |
668 | get_id(source_p, identifyservice_p), | |
669 | ConfigFileEntry.identifyservice, | |
670 | ConfigFileEntry.identifycommand, | |
671 | source_p->localClient->auth_user, | |
672 | source_p->localClient->passwd); | |
673 | else | |
674 | sendto_one(identifyservice_p, ":%s PRIVMSG %s :%s %s", | |
675 | get_id(source_p, identifyservice_p), | |
676 | ConfigFileEntry.identifyservice, | |
677 | ConfigFileEntry.identifycommand, | |
678 | source_p->localClient->passwd); | |
679 | } | |
212380e3 AC |
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 | ||
55abcbb2 | 707 | /* |
212380e3 AC |
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 | { | |
9a180ae3 | 720 | const char *p = hostname, *last_slash = 0; |
212380e3 AC |
721 | int found_sep = 0; |
722 | ||
723 | s_assert(NULL != p); | |
724 | ||
725 | if(hostname == NULL) | |
726 | return NO; | |
727 | ||
3c80b425 AJ |
728 | if(!strcmp(hostname, "localhost")) |
729 | return YES; | |
730 | ||
9a180ae3 | 731 | if('.' == *p || ':' == *p || '/' == *p) |
212380e3 AC |
732 | return NO; |
733 | ||
734 | while (*p) | |
735 | { | |
736 | if(!IsHostChar(*p)) | |
737 | return NO; | |
738 | if(*p == '.' || *p == ':') | |
739 | found_sep++; | |
9a180ae3 SB |
740 | else if(*p == '/') |
741 | { | |
742 | found_sep++; | |
743 | last_slash = p; | |
744 | } | |
212380e3 AC |
745 | p++; |
746 | } | |
747 | ||
748 | if(found_sep == 0) | |
9a180ae3 SB |
749 | return NO; |
750 | ||
751 | if(last_slash && IsDigit(last_slash[1])) | |
752 | return NO; | |
212380e3 | 753 | |
9a180ae3 | 754 | return YES; |
212380e3 AC |
755 | } |
756 | ||
55abcbb2 | 757 | /* |
212380e3 AC |
758 | * valid_username - check username for validity |
759 | * | |
760 | * Inputs - pointer to user | |
761 | * Output - YES if valid, NO if not | |
762 | * Side effects - NONE | |
55abcbb2 | 763 | * |
212380e3 AC |
764 | * Absolutely always reject any '*' '!' '?' '@' in an user name |
765 | * reject any odd control characters names. | |
766 | * Allow '.' in username to allow for "first.last" | |
767 | * style of username | |
768 | */ | |
769 | int | |
770 | valid_username(const char *username) | |
771 | { | |
772 | int dots = 0; | |
773 | const char *p = username; | |
774 | ||
775 | s_assert(NULL != p); | |
776 | ||
777 | if(username == NULL) | |
778 | return NO; | |
779 | ||
780 | if('~' == *p) | |
781 | ++p; | |
782 | ||
783 | /* reject usernames that don't start with an alphanum | |
784 | * i.e. reject jokers who have '-@somehost' or '.@somehost' | |
785 | * or "-hi-@somehost", "h-----@somehost" would still be accepted. | |
786 | */ | |
787 | if(!IsAlNum(*p)) | |
788 | return NO; | |
789 | ||
790 | while (*++p) | |
791 | { | |
792 | if((*p == '.') && ConfigFileEntry.dots_in_ident) | |
793 | { | |
794 | dots++; | |
795 | if(dots > ConfigFileEntry.dots_in_ident) | |
796 | return NO; | |
797 | if(!IsUserChar(p[1])) | |
798 | return NO; | |
799 | } | |
800 | else if(!IsUserChar(*p)) | |
801 | return NO; | |
802 | } | |
803 | return YES; | |
804 | } | |
805 | ||
806 | /* report_and_set_user_flags | |
807 | * | |
808 | * Inputs - pointer to source_p | |
809 | * - pointer to aconf for this user | |
810 | * Output - NONE | |
811 | * Side effects - | |
812 | * Report to user any special flags they are getting, and set them. | |
813 | */ | |
814 | ||
815 | static void | |
816 | report_and_set_user_flags(struct Client *source_p, struct ConfItem *aconf) | |
817 | { | |
818 | /* If this user is being spoofed, tell them so */ | |
819 | if(IsConfDoSpoofIp(aconf)) | |
820 | { | |
e07de82c | 821 | sendto_one_notice(source_p, ":*** Spoofing your IP"); |
212380e3 AC |
822 | } |
823 | ||
824 | /* If this user is in the exception class, Set it "E lined" */ | |
825 | if(IsConfExemptKline(aconf)) | |
826 | { | |
827 | SetExemptKline(source_p); | |
5c16ab05 | 828 | sendto_one_notice(source_p, ":*** You are exempt from K/X lines"); |
212380e3 AC |
829 | } |
830 | ||
212380e3 AC |
831 | if(IsConfExemptDNSBL(aconf)) |
832 | /* kline exempt implies this, don't send both */ | |
833 | if(!IsConfExemptKline(aconf)) | |
e07de82c | 834 | sendto_one_notice(source_p, ":*** You are exempt from DNS blacklists"); |
212380e3 AC |
835 | |
836 | /* If this user is exempt from user limits set it F lined" */ | |
837 | if(IsConfExemptLimits(aconf)) | |
838 | { | |
e07de82c | 839 | sendto_one_notice(source_p, ":*** You are exempt from user limits"); |
212380e3 AC |
840 | } |
841 | ||
212380e3 AC |
842 | if(IsConfExemptFlood(aconf)) |
843 | { | |
844 | SetExemptFlood(source_p); | |
e07de82c | 845 | sendto_one_notice(source_p, ":*** You are exempt from flood limits"); |
212380e3 AC |
846 | } |
847 | ||
848 | if(IsConfExemptSpambot(aconf)) | |
849 | { | |
850 | SetExemptSpambot(source_p); | |
e07de82c | 851 | sendto_one_notice(source_p, ":*** You are exempt from spambot checks"); |
212380e3 AC |
852 | } |
853 | ||
854 | if(IsConfExemptJupe(aconf)) | |
855 | { | |
856 | SetExemptJupe(source_p); | |
e07de82c | 857 | sendto_one_notice(source_p, ":*** You are exempt from juped channel warnings"); |
212380e3 AC |
858 | } |
859 | ||
860 | if(IsConfExemptResv(aconf)) | |
861 | { | |
862 | SetExemptResv(source_p); | |
e07de82c | 863 | sendto_one_notice(source_p, ":*** You are exempt from resvs"); |
212380e3 AC |
864 | } |
865 | ||
866 | if(IsConfExemptShide(aconf)) | |
867 | { | |
868 | SetExemptShide(source_p); | |
e07de82c | 869 | sendto_one_notice(source_p, ":*** You are exempt from serverhiding"); |
212380e3 AC |
870 | } |
871 | } | |
872 | ||
681ddf64 JT |
873 | static void |
874 | show_other_user_mode(struct Client *source_p, struct Client *target_p) | |
875 | { | |
876 | int i; | |
877 | char buf[BUFSIZE]; | |
878 | char *m; | |
879 | ||
880 | m = buf; | |
881 | *m++ = '+'; | |
882 | ||
883 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
884 | if (target_p->umodes & user_modes[i]) | |
885 | *m++ = (char) i; | |
886 | *m = '\0'; | |
887 | ||
888 | if (MyConnect(target_p) && target_p->snomask != 0) | |
889 | sendto_one_notice(source_p, ":Modes for %s are %s %s", | |
890 | target_p->name, buf, | |
891 | construct_snobuf(target_p->snomask)); | |
892 | else | |
893 | sendto_one_notice(source_p, ":Modes for %s are %s", | |
894 | target_p->name, buf); | |
895 | } | |
896 | ||
212380e3 AC |
897 | /* |
898 | * user_mode - set get current users mode | |
899 | * | |
900 | * m_umode() added 15/10/91 By Darren Reed. | |
212380e3 AC |
901 | * parv[1] - username to change mode for |
902 | * parv[2] - modes to change | |
903 | */ | |
904 | int | |
905 | user_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
906 | { | |
907 | int flag; | |
908 | int i; | |
909 | char *m; | |
910 | const char *pm; | |
911 | struct Client *target_p; | |
912 | int what, setflags; | |
913 | int badflag = NO; /* Only send one bad flag notice */ | |
914 | int showsnomask = NO; | |
915 | unsigned int setsnomask; | |
916 | char buf[BUFSIZE]; | |
917 | hook_data_umode_changed hdata; | |
918 | ||
919 | what = MODE_ADD; | |
920 | ||
921 | if(parc < 2) | |
922 | { | |
923 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "MODE"); | |
924 | return 0; | |
925 | } | |
926 | ||
927 | if((target_p = MyClient(source_p) ? find_named_person(parv[1]) : find_person(parv[1])) == NULL) | |
928 | { | |
929 | if(MyConnect(source_p)) | |
930 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
931 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
932 | return 0; | |
933 | } | |
934 | ||
935 | /* Dont know why these were commented out.. | |
936 | * put them back using new sendto() funcs | |
937 | */ | |
938 | ||
939 | if(IsServer(source_p)) | |
940 | { | |
941 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, | |
942 | "*** Mode for User %s from %s", parv[1], source_p->name); | |
943 | return 0; | |
944 | } | |
945 | ||
c98c2c89 | 946 | if(source_p != target_p) |
212380e3 | 947 | { |
681ddf64 JT |
948 | if (MyOper(source_p) && parc < 3) |
949 | show_other_user_mode(source_p, target_p); | |
950 | else | |
951 | sendto_one(source_p, form_str(ERR_USERSDONTMATCH), me.name, source_p->name); | |
212380e3 AC |
952 | return 0; |
953 | } | |
954 | ||
955 | if(parc < 3) | |
956 | { | |
957 | m = buf; | |
958 | *m++ = '+'; | |
959 | ||
960 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ | |
961 | if (source_p->umodes & user_modes[i]) | |
962 | *m++ = (char) i; | |
963 | ||
964 | *m = '\0'; | |
e8a2d50d | 965 | sendto_one_numeric(source_p, RPL_UMODEIS, form_str(RPL_UMODEIS), buf); |
88520303 | 966 | |
212380e3 | 967 | if (source_p->snomask != 0) |
88520303 | 968 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 | 969 | construct_snobuf(source_p->snomask)); |
88520303 | 970 | |
212380e3 AC |
971 | return 0; |
972 | } | |
973 | ||
974 | /* find flags already set for user */ | |
975 | setflags = source_p->umodes; | |
976 | setsnomask = source_p->snomask; | |
977 | ||
978 | /* | |
979 | * parse mode change string(s) | |
980 | */ | |
981 | for (pm = parv[2]; *pm; pm++) | |
982 | switch (*pm) | |
983 | { | |
984 | case '+': | |
985 | what = MODE_ADD; | |
986 | break; | |
987 | case '-': | |
988 | what = MODE_DEL; | |
989 | break; | |
990 | ||
991 | case 'o': | |
992 | if(what == MODE_ADD) | |
993 | { | |
994 | if(IsServer(client_p) && !IsOper(source_p)) | |
995 | { | |
996 | ++Count.oper; | |
997 | SetOper(source_p); | |
330fc5c1 | 998 | rb_dlinkAddAlloc(source_p, &oper_list); |
212380e3 AC |
999 | } |
1000 | } | |
1001 | else | |
1002 | { | |
1003 | /* Only decrement the oper counts if an oper to begin with | |
55abcbb2 | 1004 | * found by Pat Szuta, Perly , perly@xnet.com |
212380e3 AC |
1005 | */ |
1006 | ||
1007 | if(!IsOper(source_p)) | |
1008 | break; | |
1009 | ||
1010 | ClearOper(source_p); | |
1011 | ||
1012 | Count.oper--; | |
1013 | ||
1014 | if(MyConnect(source_p)) | |
1015 | { | |
1016 | source_p->umodes &= ~ConfigFileEntry.oper_only_umodes; | |
1017 | if (!(source_p->umodes & UMODE_SERVNOTICE) && source_p->snomask != 0) | |
1018 | { | |
1019 | source_p->snomask = 0; | |
1020 | showsnomask = YES; | |
1021 | } | |
1022 | source_p->flags2 &= ~OPER_FLAGS; | |
1023 | ||
637c4932 | 1024 | rb_free(source_p->localClient->opername); |
212380e3 AC |
1025 | source_p->localClient->opername = NULL; |
1026 | ||
330fc5c1 | 1027 | rb_dlinkFindDestroy(source_p, &local_oper_list); |
83dfad0e JT |
1028 | privilegeset_unref(source_p->localClient->privset); |
1029 | source_p->localClient->privset = NULL; | |
212380e3 AC |
1030 | } |
1031 | ||
330fc5c1 | 1032 | rb_dlinkFindDestroy(source_p, &oper_list); |
212380e3 AC |
1033 | } |
1034 | break; | |
1035 | ||
1036 | /* we may not get these, | |
1037 | * but they shouldnt be in default | |
1038 | */ | |
1039 | ||
1040 | /* can only be set on burst */ | |
1041 | case 'S': | |
3318e109 | 1042 | case 'Z': |
212380e3 AC |
1043 | case ' ': |
1044 | case '\n': | |
1045 | case '\r': | |
1046 | case '\t': | |
1047 | break; | |
1048 | ||
1049 | case 's': | |
1050 | if (MyConnect(source_p)) | |
1051 | { | |
1052 | if(!IsOper(source_p) | |
1053 | && (ConfigFileEntry.oper_only_umodes & UMODE_SERVNOTICE)) | |
1054 | { | |
1055 | if (what == MODE_ADD || source_p->umodes & UMODE_SERVNOTICE) | |
1056 | badflag = YES; | |
1057 | continue; | |
1058 | } | |
1059 | showsnomask = YES; | |
1060 | if(what == MODE_ADD) | |
1061 | { | |
1062 | if (parc > 3) | |
1063 | source_p->snomask = parse_snobuf_to_mask(source_p->snomask, parv[3]); | |
1064 | else | |
1065 | source_p->snomask |= SNO_GENERAL; | |
1066 | } | |
1067 | else | |
1068 | source_p->snomask = 0; | |
1069 | if (source_p->snomask != 0) | |
1070 | source_p->umodes |= UMODE_SERVNOTICE; | |
1071 | else | |
1072 | source_p->umodes &= ~UMODE_SERVNOTICE; | |
1073 | break; | |
1074 | } | |
1075 | /* FALLTHROUGH */ | |
1076 | default: | |
2da6f6eb JT |
1077 | if (MyConnect(source_p) && *pm == 'Q' && !ConfigChannel.use_forward) |
1078 | { | |
1079 | badflag = YES; | |
1080 | break; | |
1081 | } | |
1082 | ||
212380e3 AC |
1083 | if((flag = user_modes[(unsigned char) *pm])) |
1084 | { | |
1085 | if(MyConnect(source_p) | |
a8086a7c JT |
1086 | && ((!IsOper(source_p) |
1087 | && (ConfigFileEntry.oper_only_umodes & flag)) | |
1088 | || (orphaned_umodes & flag))) | |
212380e3 AC |
1089 | { |
1090 | if (what == MODE_ADD || source_p->umodes & flag) | |
1091 | badflag = YES; | |
1092 | } | |
1093 | else | |
1094 | { | |
1095 | if(what == MODE_ADD) | |
1096 | source_p->umodes |= flag; | |
1097 | else | |
1098 | source_p->umodes &= ~flag; | |
1099 | } | |
1100 | } | |
1101 | else | |
1102 | { | |
1103 | if(MyConnect(source_p)) | |
1104 | badflag = YES; | |
1105 | } | |
1106 | break; | |
1107 | } | |
1108 | ||
1109 | if(badflag) | |
1110 | sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), me.name, source_p->name); | |
1111 | ||
1112 | if(MyClient(source_p) && (source_p->snomask & SNO_NCHANGE) && !IsOperN(source_p)) | |
1113 | { | |
b4838ccd | 1114 | sendto_one_notice(source_p, ":*** You need oper and nick_changes flag for +s +n"); |
212380e3 AC |
1115 | source_p->snomask &= ~SNO_NCHANGE; /* only tcm's really need this */ |
1116 | } | |
1117 | ||
1118 | if(MyClient(source_p) && (source_p->umodes & UMODE_OPERWALL) && !IsOperOperwall(source_p)) | |
1119 | { | |
5366977b | 1120 | sendto_one_notice(source_p, ":*** You need oper and operwall flag for +z"); |
212380e3 AC |
1121 | source_p->umodes &= ~UMODE_OPERWALL; |
1122 | } | |
1123 | ||
1124 | if(MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) && | |
1125 | (!IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))) | |
1126 | { | |
b4838ccd | 1127 | sendto_one_notice(source_p, ":*** You need oper and admin flag for +a"); |
212380e3 AC |
1128 | source_p->umodes &= ~UMODE_ADMIN; |
1129 | } | |
1130 | ||
1131 | /* let modules providing usermodes know that we've changed our usermode --nenolod */ | |
1132 | hdata.client = source_p; | |
1133 | hdata.oldumodes = setflags; | |
1134 | hdata.oldsnomask = setsnomask; | |
1135 | call_hook(h_umode_changed, &hdata); | |
1136 | ||
1137 | if(!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p)) | |
1138 | ++Count.invisi; | |
1139 | if((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1140 | --Count.invisi; | |
1141 | /* | |
1142 | * compare new flags with old flags and send string which | |
1143 | * will cause servers to update correctly. | |
1144 | */ | |
1145 | send_umode_out(client_p, source_p, setflags); | |
1146 | if (showsnomask && MyConnect(source_p)) | |
88520303 | 1147 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1148 | construct_snobuf(source_p->snomask)); |
1149 | ||
1150 | return (0); | |
1151 | } | |
1152 | ||
1153 | /* | |
1154 | * send the MODE string for user (user) to connection client_p | |
1155 | * -avalon | |
1156 | */ | |
1157 | void | |
29c92cf9 | 1158 | send_umode(struct Client *client_p, struct Client *source_p, int old, char *umode_buf) |
212380e3 AC |
1159 | { |
1160 | int i; | |
1161 | int flag; | |
1162 | char *m; | |
1163 | int what = 0; | |
1164 | ||
1165 | /* | |
1166 | * build a string in umode_buf to represent the change in the user's | |
1167 | * mode between the new (source_p->flag) and 'old'. | |
1168 | */ | |
1169 | m = umode_buf; | |
1170 | *m = '\0'; | |
1171 | ||
1172 | for (i = 0; i < 128; i++) | |
1173 | { | |
1174 | flag = user_modes[i]; | |
1175 | ||
1176 | if((flag & old) && !(source_p->umodes & flag)) | |
1177 | { | |
1178 | if(what == MODE_DEL) | |
1179 | *m++ = (char) i; | |
1180 | else | |
1181 | { | |
1182 | what = MODE_DEL; | |
1183 | *m++ = '-'; | |
1184 | *m++ = (char) i; | |
1185 | } | |
1186 | } | |
1187 | else if(!(flag & old) && (source_p->umodes & flag)) | |
1188 | { | |
1189 | if(what == MODE_ADD) | |
1190 | *m++ = (char) i; | |
1191 | else | |
1192 | { | |
1193 | what = MODE_ADD; | |
1194 | *m++ = '+'; | |
1195 | *m++ = (char) i; | |
1196 | } | |
1197 | } | |
1198 | } | |
1199 | *m = '\0'; | |
1200 | ||
1201 | if(*umode_buf && client_p) | |
1202 | sendto_one(client_p, ":%s MODE %s :%s", source_p->name, source_p->name, umode_buf); | |
1203 | } | |
1204 | ||
1205 | /* | |
1206 | * send_umode_out | |
1207 | * | |
1208 | * inputs - | |
1209 | * output - NONE | |
55abcbb2 | 1210 | * side effects - |
212380e3 AC |
1211 | */ |
1212 | void | |
1213 | send_umode_out(struct Client *client_p, struct Client *source_p, int old) | |
1214 | { | |
1215 | struct Client *target_p; | |
1216 | char buf[BUFSIZE]; | |
330fc5c1 | 1217 | rb_dlink_node *ptr; |
212380e3 | 1218 | |
29c92cf9 | 1219 | send_umode(NULL, source_p, old, buf); |
212380e3 | 1220 | |
5cefa1d6 | 1221 | RB_DLINK_FOREACH(ptr, serv_list.head) |
212380e3 AC |
1222 | { |
1223 | target_p = ptr->data; | |
1224 | ||
1225 | if((target_p != client_p) && (target_p != source_p) && (*buf)) | |
1226 | { | |
1227 | sendto_one(target_p, ":%s MODE %s :%s", | |
55abcbb2 | 1228 | get_id(source_p, target_p), |
212380e3 AC |
1229 | get_id(source_p, target_p), buf); |
1230 | } | |
1231 | } | |
1232 | ||
1233 | if(client_p && MyClient(client_p)) | |
29c92cf9 | 1234 | send_umode(client_p, source_p, old, buf); |
212380e3 AC |
1235 | } |
1236 | ||
55abcbb2 | 1237 | /* |
212380e3 AC |
1238 | * user_welcome |
1239 | * | |
1240 | * inputs - client pointer to client to welcome | |
1241 | * output - NONE | |
1242 | * side effects - | |
1243 | */ | |
1244 | void | |
1245 | user_welcome(struct Client *source_p) | |
1246 | { | |
88520303 AC |
1247 | sendto_one_numeric(source_p, RPL_WELCOME, form_str(RPL_WELCOME), ServerInfo.network_name, source_p->name); |
1248 | sendto_one_numeric(source_p, RPL_YOURHOST, form_str(RPL_YOURHOST), | |
212380e3 | 1249 | get_listener_name(source_p->localClient->listener), ircd_version); |
88520303 | 1250 | sendto_one_numeric(source_p, RPL_CREATED, form_str(RPL_CREATED), creation); |
c18cb68b | 1251 | sendto_one_numeric(source_p, RPL_MYINFO, form_str(RPL_MYINFO), me.name, ircd_version, umodebuf, cflagsmyinfo); |
212380e3 AC |
1252 | |
1253 | show_isupport(source_p); | |
1254 | ||
1255 | show_lusers(source_p); | |
1256 | ||
1257 | if(ConfigFileEntry.short_motd) | |
1258 | { | |
5366977b AC |
1259 | sendto_one_notice(source_p, ":*** Notice -- motd was last changed at %s", user_motd_changed); |
1260 | sendto_one_notice(source_p, ":*** Notice -- Please read the motd if you haven't read it"); | |
212380e3 | 1261 | |
55abcbb2 | 1262 | sendto_one(source_p, form_str(RPL_MOTDSTART), |
212380e3 AC |
1263 | me.name, source_p->name, me.name); |
1264 | ||
1265 | sendto_one(source_p, form_str(RPL_MOTD), | |
1266 | me.name, source_p->name, "*** This is the short motd ***"); | |
1267 | ||
1268 | sendto_one(source_p, form_str(RPL_ENDOFMOTD), me.name, source_p->name); | |
1269 | } | |
1270 | else | |
1271 | send_user_motd(source_p); | |
1272 | } | |
1273 | ||
1274 | /* oper_up() | |
1275 | * | |
1276 | * inputs - pointer to given client to oper | |
1277 | * - pointer to ConfItem to use | |
1278 | * output - none | |
1279 | * side effects - opers up source_p using aconf for reference | |
1280 | */ | |
1281 | int | |
1282 | oper_up(struct Client *source_p, struct oper_conf *oper_p) | |
1283 | { | |
1284 | unsigned int old = source_p->umodes, oldsnomask = source_p->snomask; | |
1285 | hook_data_umode_changed hdata; | |
1286 | ||
1287 | SetOper(source_p); | |
1288 | ||
1289 | if(oper_p->umodes) | |
1290 | source_p->umodes |= oper_p->umodes; | |
1291 | else if(ConfigFileEntry.oper_umodes) | |
1292 | source_p->umodes |= ConfigFileEntry.oper_umodes; | |
1293 | else | |
1294 | source_p->umodes |= DEFAULT_OPER_UMODES; | |
1295 | ||
1296 | if (oper_p->snomask) | |
1297 | { | |
1298 | source_p->snomask |= oper_p->snomask; | |
1299 | source_p->umodes |= UMODE_SERVNOTICE; | |
1300 | } | |
1301 | else if (source_p->umodes & UMODE_SERVNOTICE) | |
1302 | { | |
1303 | /* Only apply these if +s is already set -- jilles */ | |
1304 | if (ConfigFileEntry.oper_snomask) | |
1305 | source_p->snomask |= ConfigFileEntry.oper_snomask; | |
1306 | else | |
1307 | source_p->snomask |= DEFAULT_OPER_SNOMASK; | |
1308 | } | |
1309 | ||
1310 | Count.oper++; | |
1311 | ||
1312 | SetExemptKline(source_p); | |
1313 | ||
1314 | source_p->flags2 |= oper_p->flags; | |
47a03750 | 1315 | source_p->localClient->opername = rb_strdup(oper_p->name); |
ef242716 | 1316 | source_p->localClient->privset = privilegeset_ref(oper_p->privset); |
212380e3 | 1317 | |
330fc5c1 AC |
1318 | rb_dlinkAddAlloc(source_p, &local_oper_list); |
1319 | rb_dlinkAddAlloc(source_p, &oper_list); | |
212380e3 AC |
1320 | |
1321 | if(IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p)) | |
1322 | source_p->umodes |= UMODE_ADMIN; | |
1323 | if(!IsOperN(source_p)) | |
1324 | source_p->snomask &= ~SNO_NCHANGE; | |
1325 | if(!IsOperOperwall(source_p)) | |
1326 | source_p->umodes &= ~UMODE_OPERWALL; | |
1327 | hdata.client = source_p; | |
1328 | hdata.oldumodes = old; | |
1329 | hdata.oldsnomask = oldsnomask; | |
1330 | call_hook(h_umode_changed, &hdata); | |
1331 | ||
1332 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
5cca545c | 1333 | "%s (%s!%s@%s) is now an operator", oper_p->name, source_p->name, |
212380e3 | 1334 | source_p->username, source_p->host); |
652b8478 JT |
1335 | if(!(old & UMODE_INVISIBLE) && IsInvisible(source_p)) |
1336 | ++Count.invisi; | |
1337 | if((old & UMODE_INVISIBLE) && !IsInvisible(source_p)) | |
1338 | --Count.invisi; | |
212380e3 | 1339 | send_umode_out(source_p, source_p, old); |
88520303 | 1340 | sendto_one_numeric(source_p, RPL_SNOMASK, form_str(RPL_SNOMASK), |
212380e3 AC |
1341 | construct_snobuf(source_p->snomask)); |
1342 | sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); | |
22c3b270 AC |
1343 | sendto_one_notice(source_p, ":*** Oper privilege set is %s", oper_p->privset->name); |
1344 | sendto_one_notice(source_p, ":*** Oper privs are %s", oper_p->privset->privs); | |
212380e3 AC |
1345 | send_oper_motd(source_p); |
1346 | ||
1347 | return (1); | |
1348 | } | |
1349 | ||
01cebbd8 JT |
1350 | /* |
1351 | * find_umode_slot | |
1352 | * | |
1353 | * inputs - NONE | |
1354 | * outputs - an available umode bitmask or | |
1355 | * 0 if no umodes are available | |
1356 | * side effects - NONE | |
1357 | */ | |
1358 | unsigned int | |
1359 | find_umode_slot(void) | |
1360 | { | |
1361 | unsigned int all_umodes = 0, my_umode = 0, i; | |
1362 | ||
1363 | for (i = 0; i < 128; i++) | |
1364 | all_umodes |= user_modes[i]; | |
1365 | ||
1366 | for (my_umode = 1; my_umode && (all_umodes & my_umode); | |
1367 | my_umode <<= 1); | |
1368 | ||
1369 | return my_umode; | |
1370 | } | |
1371 | ||
212380e3 AC |
1372 | void |
1373 | construct_umodebuf(void) | |
1374 | { | |
1375 | int i; | |
1376 | char *ptr = umodebuf; | |
a8086a7c | 1377 | static int prev_user_modes[128]; |
212380e3 AC |
1378 | |
1379 | *ptr = '\0'; | |
1380 | ||
1381 | for (i = 0; i < 128; i++) | |
a8086a7c JT |
1382 | { |
1383 | if (prev_user_modes[i] != 0 && prev_user_modes[i] != user_modes[i]) | |
1384 | { | |
1385 | if (user_modes[i] == 0) | |
1386 | { | |
1387 | orphaned_umodes |= prev_user_modes[i]; | |
1388 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Umode +%c is now orphaned", i); | |
1389 | } | |
1390 | else | |
1391 | { | |
1392 | orphaned_umodes &= ~prev_user_modes[i]; | |
1393 | sendto_realops_snomask(SNO_DEBUG, L_ALL, "Orphaned umode +%c is picked up by module", i); | |
1394 | } | |
1395 | user_modes[i] = prev_user_modes[i]; | |
1396 | } | |
1397 | else | |
1398 | prev_user_modes[i] = user_modes[i]; | |
212380e3 AC |
1399 | if (user_modes[i]) |
1400 | *ptr++ = (char) i; | |
a8086a7c | 1401 | } |
212380e3 AC |
1402 | |
1403 | *ptr++ = '\0'; | |
1404 | } | |
1405 | ||
1406 | void | |
1407 | change_nick_user_host(struct Client *target_p, const char *nick, const char *user, | |
82622732 | 1408 | const char *host, int newts, const char *format, ...) |
212380e3 | 1409 | { |
330fc5c1 | 1410 | rb_dlink_node *ptr; |
212380e3 AC |
1411 | struct Channel *chptr; |
1412 | struct membership *mscptr; | |
1413 | int changed = irccmp(target_p->name, nick); | |
1414 | int changed_case = strcmp(target_p->name, nick); | |
1415 | int do_qjm = irccmp(target_p->username, user) || irccmp(target_p->host, host); | |
1416 | char mode[10], modeval[NICKLEN * 2 + 2], reason[256], *mptr; | |
1417 | va_list ap; | |
1418 | ||
1419 | modeval[0] = '\0'; | |
55abcbb2 | 1420 | |
212380e3 AC |
1421 | if(changed) |
1422 | { | |
1423 | target_p->tsinfo = newts; | |
1424 | monitor_signoff(target_p); | |
1425 | } | |
1426 | invalidate_bancache_user(target_p); | |
1427 | ||
1428 | if(do_qjm) | |
1429 | { | |
1430 | va_start(ap, format); | |
1431 | vsnprintf(reason, 255, format, ap); | |
1432 | va_end(ap); | |
1433 | ||
4a5330bb | 1434 | sendto_common_channels_local_butone(target_p, NOCAPS, CLICAP_CHGHOST, ":%s!%s@%s QUIT :%s", |
212380e3 AC |
1435 | target_p->name, target_p->username, target_p->host, |
1436 | reason); | |
1437 | ||
5cefa1d6 | 1438 | RB_DLINK_FOREACH(ptr, target_p->user->channel.head) |
212380e3 AC |
1439 | { |
1440 | mscptr = ptr->data; | |
1441 | chptr = mscptr->chptr; | |
1442 | mptr = mode; | |
1443 | ||
1444 | if(is_chanop(mscptr)) | |
1445 | { | |
1446 | *mptr++ = 'o'; | |
1447 | strcat(modeval, nick); | |
1448 | strcat(modeval, " "); | |
1449 | } | |
1450 | ||
1451 | if(is_voiced(mscptr)) | |
1452 | { | |
1453 | *mptr++ = 'v'; | |
1454 | strcat(modeval, nick); | |
1455 | } | |
1456 | ||
1457 | *mptr = '\0'; | |
1458 | ||
4a5330bb | 1459 | sendto_channel_local_with_capability_butone(target_p, ALL_MEMBERS, NOCAPS, CLICAP_EXTENDED_JOIN | CLICAP_CHGHOST, chptr, |
a695b0e4 | 1460 | ":%s!%s@%s JOIN %s", nick, user, host, chptr->chname); |
4a5330bb | 1461 | sendto_channel_local_with_capability_butone(target_p, ALL_MEMBERS, CLICAP_EXTENDED_JOIN, CLICAP_CHGHOST, chptr, |
a695b0e4 SB |
1462 | ":%s!%s@%s JOIN %s %s :%s", nick, user, host, chptr->chname, |
1463 | EmptyString(target_p->user->suser) ? "*" : target_p->user->suser, | |
1464 | target_p->info); | |
1465 | ||
212380e3 AC |
1466 | if(*mode) |
1467 | sendto_channel_local_butone(target_p, ALL_MEMBERS, chptr, | |
1468 | ":%s MODE %s +%s %s", | |
1469 | target_p->servptr->name, | |
1470 | chptr->chname, mode, modeval); | |
1471 | ||
1472 | *modeval = '\0'; | |
1473 | } | |
1474 | ||
c5bbc603 KB |
1475 | /* Resend away message to away-notify enabled clients. */ |
1476 | if (target_p->user->away) | |
4a5330bb | 1477 | sendto_common_channels_local_butone(target_p, CLICAP_AWAY_NOTIFY, CLICAP_CHGHOST, ":%s!%s@%s AWAY :%s", |
0e17ce06 | 1478 | nick, user, host, |
c5bbc603 KB |
1479 | target_p->user->away); |
1480 | ||
4a5330bb AC |
1481 | sendto_common_channels_local_butone(target_p, CLICAP_CHGHOST, NOCAPS, |
1482 | ":%s!%s@%s CHGHOST %s %s", | |
1483 | target_p->name, target_p->username, target_p->host, user, host); | |
1484 | ||
212380e3 AC |
1485 | if(MyClient(target_p) && changed_case) |
1486 | sendto_one(target_p, ":%s!%s@%s NICK %s", | |
4a5330bb | 1487 | target_p->name, user, host, nick); |
ae4ce45f KB |
1488 | |
1489 | /* TODO: send some snotes to SNO_NCHANGE/SNO_CCONN/SNO_CCONNEXT? */ | |
212380e3 AC |
1490 | } |
1491 | else if(changed_case) | |
1492 | { | |
583f064f | 1493 | sendto_common_channels_local(target_p, NOCAPS, NOCAPS, ":%s!%s@%s NICK :%s", |
4a5330bb | 1494 | target_p->name, user, host, nick); |
ae4ce45f | 1495 | |
34616c3b JT |
1496 | if(MyConnect(target_p)) |
1497 | sendto_realops_snomask(SNO_NCHANGE, L_ALL, | |
1498 | "Nick change: From %s to %s [%s@%s]", | |
1499 | target_p->name, nick, | |
1500 | target_p->username, target_p->host); | |
212380e3 AC |
1501 | } |
1502 | ||
f427c8b0 VY |
1503 | rb_strlcpy(target_p->username, user, sizeof target_p->username); |
1504 | rb_strlcpy(target_p->host, host, sizeof target_p->host); | |
212380e3 AC |
1505 | |
1506 | if (changed) | |
1507 | add_history(target_p, 1); | |
1508 | ||
1509 | del_from_client_hash(target_p->name, target_p); | |
f427c8b0 | 1510 | rb_strlcpy(target_p->name, nick, NICKLEN); |
212380e3 AC |
1511 | add_to_client_hash(target_p->name, target_p); |
1512 | ||
1513 | if(changed) | |
1514 | { | |
1515 | monitor_signon(target_p); | |
1516 | del_all_accepts(target_p); | |
1517 | } | |
1518 | } |