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Commit | Line | Data |
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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_kline.c: Bans/unbans a user. | |
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 | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
212380e3 AC |
26 | #include "channel.h" |
27 | #include "class.h" | |
28 | #include "client.h" | |
29 | #include "common.h" | |
4562c604 | 30 | #include "match.h" |
212380e3 AC |
31 | #include "ircd.h" |
32 | #include "hostmask.h" | |
33 | #include "numeric.h" | |
212380e3 AC |
34 | #include "s_conf.h" |
35 | #include "s_newconf.h" | |
4016731b | 36 | #include "logger.h" |
212380e3 AC |
37 | #include "send.h" |
38 | #include "hash.h" | |
39 | #include "s_serv.h" | |
40 | #include "msg.h" | |
41 | #include "parse.h" | |
42 | #include "modules.h" | |
35f6f850 | 43 | #include "reject.h" |
8bbeb278 | 44 | #include "bandbi.h" |
27f616dd | 45 | #include "operhash.h" |
212380e3 | 46 | |
eeabf33a EM |
47 | static const char kline_desc[] = "Provides the KLINE facility to ban users via hostmask"; |
48 | ||
3c7d6fcc EM |
49 | static void mo_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
50 | static void ms_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
51 | static void me_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
52 | static void mo_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
53 | static void ms_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
54 | static void me_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
212380e3 AC |
55 | |
56 | struct Message kline_msgtab = { | |
7baa37a9 | 57 | "KLINE", 0, 0, 0, 0, |
212380e3 AC |
58 | {mg_unreg, mg_not_oper, {ms_kline, 5}, {ms_kline, 5}, {me_kline, 5}, {mo_kline, 3}} |
59 | }; | |
60 | ||
61 | struct Message unkline_msgtab = { | |
7baa37a9 | 62 | "UNKLINE", 0, 0, 0, 0, |
212380e3 AC |
63 | {mg_unreg, mg_not_oper, {ms_unkline, 4}, {ms_unkline, 4}, {me_unkline, 3}, {mo_unkline, 2}} |
64 | }; | |
65 | ||
66 | mapi_clist_av1 kline_clist[] = { &kline_msgtab, &unkline_msgtab, NULL }; | |
8bbeb278 | 67 | |
f1156bf0 | 68 | DECLARE_MODULE_AV2(kline, NULL, NULL, kline_clist, NULL, NULL, NULL, NULL, kline_desc); |
212380e3 AC |
69 | |
70 | /* Local function prototypes */ | |
3c7d6fcc EM |
71 | static bool find_user_host(struct Client *source_p, const char *userhost, char *user, char *host); |
72 | static bool valid_user_host(struct Client *source_p, const char *user, const char *host); | |
212380e3 AC |
73 | |
74 | static void handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 75 | const char *user, const char *host, const char *reason); |
212380e3 | 76 | static void apply_kline(struct Client *source_p, struct ConfItem *aconf, |
b52c2949 | 77 | const char *reason, const char *oper_reason); |
212380e3 | 78 | static void apply_tkline(struct Client *source_p, struct ConfItem *aconf, |
b52c2949 | 79 | const char *, const char *, int); |
431a1a27 JT |
80 | static void apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, |
81 | const char *, const char *, int); | |
3c7d6fcc | 82 | static bool already_placed_kline(struct Client *, const char *, const char *, int); |
212380e3 | 83 | |
8bbeb278 | 84 | static void handle_remote_unkline(struct Client *source_p, const char *user, const char *host); |
40a1d446 | 85 | static void remove_permkline_match(struct Client *, struct ConfItem *); |
3c7d6fcc | 86 | static bool remove_temp_kline(struct Client *, struct ConfItem *); |
431a1a27 | 87 | static void remove_prop_kline(struct Client *, struct ConfItem *); |
212380e3 AC |
88 | |
89 | /* mo_kline() | |
90 | * | |
91 | * parv[1] - temp time or user@host | |
92 | * parv[2] - user@host, "ON", or reason | |
93 | * parv[3] - "ON", reason, or server to target | |
94 | * parv[4] - server to target, or reason | |
95 | * parv[5] - reason | |
96 | */ | |
3c7d6fcc | 97 | static void |
428ca87b | 98 | mo_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) |
212380e3 | 99 | { |
8bbeb278 | 100 | char def[] = "No Reason"; |
212380e3 AC |
101 | char user[USERLEN + 2]; |
102 | char host[HOSTLEN + 2]; | |
8bbeb278 | 103 | char *reason = def; |
212380e3 | 104 | char *oper_reason; |
212380e3 AC |
105 | const char *target_server = NULL; |
106 | struct ConfItem *aconf; | |
107 | int tkline_time = 0; | |
108 | int loc = 1; | |
f66f0baa | 109 | bool propagated = ConfigFileEntry.use_propagated_bans; |
212380e3 AC |
110 | |
111 | if(!IsOperK(source_p)) | |
112 | { | |
8bbeb278 | 113 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "kline"); |
3c7d6fcc | 114 | return; |
212380e3 AC |
115 | } |
116 | ||
117 | if((tkline_time = valid_temp_time(parv[loc])) >= 0) | |
118 | loc++; | |
119 | /* we just set tkline_time to -1! */ | |
120 | else | |
121 | tkline_time = 0; | |
122 | ||
123 | if(find_user_host(source_p, parv[loc], user, host) == 0) | |
3c7d6fcc | 124 | return; |
212380e3 AC |
125 | |
126 | loc++; | |
127 | ||
8bbeb278 | 128 | if(parc >= loc + 2 && !irccmp(parv[loc], "ON")) |
212380e3 AC |
129 | { |
130 | if(!IsOperRemoteBan(source_p)) | |
131 | { | |
132 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 133 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 134 | return; |
212380e3 AC |
135 | } |
136 | ||
8bbeb278 | 137 | target_server = parv[loc + 1]; |
212380e3 AC |
138 | loc += 2; |
139 | } | |
140 | ||
141 | if(parc <= loc || EmptyString(parv[loc])) | |
142 | { | |
143 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
144 | me.name, source_p->name, "KLINE"); | |
3c7d6fcc | 145 | return; |
212380e3 AC |
146 | } |
147 | ||
148 | reason = LOCAL_COPY(parv[loc]); | |
149 | ||
150 | if(target_server != NULL) | |
151 | { | |
152 | propagate_generic(source_p, "KLINE", target_server, CAP_KLN, | |
8bbeb278 | 153 | "%d %s %s :%s", tkline_time, user, host, reason); |
212380e3 AC |
154 | |
155 | /* If we are sending it somewhere that doesnt include us, stop */ | |
156 | if(!match(target_server, me.name)) | |
3c7d6fcc | 157 | return; |
431a1a27 JT |
158 | |
159 | /* Set as local-only. */ | |
f66f0baa | 160 | propagated = false; |
212380e3 AC |
161 | } |
162 | /* if we have cluster servers, send it to them.. */ | |
431a1a27 | 163 | else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0) |
8bbeb278 | 164 | cluster_generic(source_p, "KLINE", |
212380e3 | 165 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE, CAP_KLN, |
8bbeb278 | 166 | "%lu %s %s :%s", tkline_time, user, host, reason); |
212380e3 | 167 | |
9319a2e2 | 168 | if(!valid_user_host(source_p, user, host)) |
3c7d6fcc | 169 | return; |
212380e3 | 170 | |
5c2b9eaf JT |
171 | if(!valid_wild_card(user, host)) |
172 | { | |
173 | sendto_one_notice(source_p, | |
174 | ":Please include at least %d non-wildcard " | |
175 | "characters with the user@host", | |
176 | ConfigFileEntry.min_nonwildcard); | |
3c7d6fcc | 177 | return; |
5c2b9eaf JT |
178 | } |
179 | ||
431a1a27 JT |
180 | if(propagated && tkline_time == 0) |
181 | { | |
182 | sendto_one_notice(source_p, ":Cannot set a permanent global ban"); | |
3c7d6fcc | 183 | return; |
431a1a27 JT |
184 | } |
185 | ||
212380e3 | 186 | if(already_placed_kline(source_p, user, host, tkline_time)) |
3c7d6fcc | 187 | return; |
212380e3 | 188 | |
7df5fcfb | 189 | rb_set_time(); |
212380e3 AC |
190 | aconf = make_conf(); |
191 | aconf->status = CONF_KILL; | |
b52c2949 | 192 | aconf->created = rb_current_time(); |
47a03750 VY |
193 | aconf->host = rb_strdup(host); |
194 | aconf->user = rb_strdup(user); | |
212380e3 | 195 | aconf->port = 0; |
27f616dd | 196 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 197 | |
9319a2e2 KB |
198 | if(strlen(reason) > BANREASONLEN) |
199 | reason[BANREASONLEN] = '\0'; | |
200 | ||
212380e3 AC |
201 | /* Look for an oper reason */ |
202 | if((oper_reason = strchr(reason, '|')) != NULL) | |
203 | { | |
204 | *oper_reason = '\0'; | |
205 | oper_reason++; | |
206 | ||
207 | if(!EmptyString(oper_reason)) | |
47a03750 | 208 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 209 | } |
c935336b | 210 | aconf->passwd = rb_strdup(reason); |
212380e3 | 211 | |
431a1a27 JT |
212 | if(propagated) |
213 | apply_prop_kline(source_p, aconf, reason, oper_reason, tkline_time); | |
214 | else if(tkline_time > 0) | |
b52c2949 | 215 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 216 | else |
b52c2949 | 217 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 AC |
218 | |
219 | if(ConfigFileEntry.kline_delay) | |
220 | { | |
f66f0baa | 221 | if(!kline_queued) |
212380e3 | 222 | { |
0e7cb7e6 | 223 | rb_event_addonce("check_klines", check_klines_event, NULL, |
8bbeb278 | 224 | ConfigFileEntry.kline_delay); |
f66f0baa | 225 | kline_queued = true; |
212380e3 AC |
226 | } |
227 | } | |
228 | else | |
229 | check_klines(); | |
212380e3 AC |
230 | } |
231 | ||
232 | /* ms_kline() | |
233 | * | |
234 | * parv[1] - server targeted at | |
235 | * parv[2] - tkline time (0 if perm) | |
236 | * parv[3] - user | |
237 | * parv[4] - host | |
238 | * parv[5] - reason | |
239 | */ | |
3c7d6fcc | 240 | static void |
428ca87b | 241 | ms_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
242 | { |
243 | int tkline_time = atoi(parv[2]); | |
244 | ||
245 | /* 1.5-3 and earlier contains a bug that allows remote klines to be | |
246 | * sent with an empty reason field. This is a protocol violation, | |
247 | * but its not worth dropping the link over.. --anfl | |
248 | */ | |
249 | if(parc < 6 || EmptyString(parv[5])) | |
3c7d6fcc | 250 | return; |
212380e3 AC |
251 | |
252 | propagate_generic(source_p, "KLINE", parv[1], CAP_KLN, | |
8bbeb278 | 253 | "%d %s %s :%s", tkline_time, parv[3], parv[4], parv[5]); |
212380e3 AC |
254 | |
255 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 256 | return; |
212380e3 AC |
257 | |
258 | if(!IsPerson(source_p)) | |
3c7d6fcc | 259 | return; |
212380e3 AC |
260 | |
261 | handle_remote_kline(source_p, tkline_time, parv[3], parv[4], parv[5]); | |
212380e3 AC |
262 | } |
263 | ||
3c7d6fcc | 264 | static void |
428ca87b | 265 | me_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
266 | { |
267 | /* <tkline_time> <user> <host> :<reason> */ | |
268 | if(!IsPerson(source_p)) | |
3c7d6fcc | 269 | return; |
212380e3 AC |
270 | |
271 | handle_remote_kline(source_p, atoi(parv[1]), parv[2], parv[3], parv[4]); | |
212380e3 AC |
272 | } |
273 | ||
274 | static void | |
275 | handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 276 | const char *user, const char *host, const char *kreason) |
212380e3 | 277 | { |
212380e3 AC |
278 | char *reason = LOCAL_COPY(kreason); |
279 | struct ConfItem *aconf = NULL; | |
280 | char *oper_reason; | |
281 | ||
282 | if(!find_shared_conf(source_p->username, source_p->host, | |
8bbeb278 AC |
283 | source_p->servptr->name, |
284 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE)) | |
212380e3 AC |
285 | return; |
286 | ||
9319a2e2 | 287 | if(!valid_user_host(source_p, user, host)) |
212380e3 AC |
288 | return; |
289 | ||
5c2b9eaf JT |
290 | if(!valid_wild_card(user, host)) |
291 | { | |
292 | sendto_one_notice(source_p, | |
293 | ":Please include at least %d non-wildcard " | |
294 | "characters with the user@host", | |
295 | ConfigFileEntry.min_nonwildcard); | |
803ce385 | 296 | return; |
5c2b9eaf JT |
297 | } |
298 | ||
212380e3 AC |
299 | if(already_placed_kline(source_p, user, host, tkline_time)) |
300 | return; | |
301 | ||
302 | aconf = make_conf(); | |
303 | ||
304 | aconf->status = CONF_KILL; | |
b52c2949 | 305 | aconf->created = rb_current_time(); |
47a03750 VY |
306 | aconf->user = rb_strdup(user); |
307 | aconf->host = rb_strdup(host); | |
27f616dd | 308 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 309 | |
9319a2e2 KB |
310 | if(strlen(reason) > BANREASONLEN) |
311 | reason[BANREASONLEN] = '\0'; | |
312 | ||
212380e3 AC |
313 | /* Look for an oper reason */ |
314 | if((oper_reason = strchr(reason, '|')) != NULL) | |
315 | { | |
316 | *oper_reason = '\0'; | |
317 | oper_reason++; | |
318 | ||
319 | if(!EmptyString(oper_reason)) | |
47a03750 | 320 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 321 | } |
c935336b | 322 | aconf->passwd = rb_strdup(reason); |
212380e3 | 323 | |
212380e3 | 324 | if(tkline_time > 0) |
b52c2949 | 325 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 326 | else |
b52c2949 | 327 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 AC |
328 | |
329 | if(ConfigFileEntry.kline_delay) | |
330 | { | |
f66f0baa | 331 | if(!kline_queued) |
212380e3 | 332 | { |
0e7cb7e6 | 333 | rb_event_addonce("check_klines", check_klines_event, NULL, |
8bbeb278 | 334 | ConfigFileEntry.kline_delay); |
f66f0baa | 335 | kline_queued = true; |
212380e3 AC |
336 | } |
337 | } | |
338 | else | |
339 | check_klines(); | |
212380e3 AC |
340 | } |
341 | ||
342 | /* mo_unkline() | |
343 | * | |
344 | * parv[1] - kline to remove | |
345 | * parv[2] - optional "ON" | |
346 | * parv[3] - optional target server | |
347 | */ | |
3c7d6fcc | 348 | static void |
428ca87b | 349 | mo_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
350 | { |
351 | const char *user; | |
352 | char *host; | |
353 | char splat[] = "*"; | |
354 | char *h = LOCAL_COPY(parv[1]); | |
40a1d446 | 355 | struct ConfItem *aconf; |
f66f0baa | 356 | bool propagated = true; |
212380e3 AC |
357 | |
358 | if(!IsOperUnkline(source_p)) | |
359 | { | |
8bbeb278 | 360 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "unkline"); |
3c7d6fcc | 361 | return; |
212380e3 AC |
362 | } |
363 | ||
364 | if((host = strchr(h, '@')) || *h == '*' || strchr(h, '.') || strchr(h, ':')) | |
365 | { | |
366 | /* Explicit user@host mask given */ | |
367 | ||
368 | if(host) /* Found user@host */ | |
369 | { | |
370 | *host++ = '\0'; | |
371 | ||
372 | /* check for @host */ | |
373 | if(*h) | |
374 | user = h; | |
375 | else | |
376 | user = splat; | |
377 | ||
378 | /* check for user@ */ | |
379 | if(!*host) | |
380 | host = splat; | |
381 | } | |
382 | else | |
383 | { | |
384 | user = splat; /* no @ found, assume its *@somehost */ | |
385 | host = h; | |
386 | } | |
387 | } | |
388 | else | |
389 | { | |
5366977b | 390 | sendto_one_notice(source_p, ":Invalid parameters"); |
3c7d6fcc | 391 | return; |
212380e3 AC |
392 | } |
393 | ||
394 | /* possible remote kline.. */ | |
395 | if((parc > 3) && (irccmp(parv[2], "ON") == 0)) | |
396 | { | |
397 | if(!IsOperRemoteBan(source_p)) | |
398 | { | |
399 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 400 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 401 | return; |
212380e3 AC |
402 | } |
403 | ||
8bbeb278 | 404 | propagate_generic(source_p, "UNKLINE", parv[3], CAP_UNKLN, "%s %s", user, host); |
212380e3 AC |
405 | |
406 | if(match(parv[3], me.name) == 0) | |
3c7d6fcc | 407 | return; |
431a1a27 | 408 | |
f66f0baa | 409 | propagated = false; |
212380e3 | 410 | } |
431a1a27 JT |
411 | |
412 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); | |
413 | ||
414 | /* No clustering for removing a propagated kline */ | |
415 | if(propagated && (aconf == NULL || !aconf->lifetime) && | |
416 | rb_dlink_list_length(&cluster_conf_list) > 0) | |
212380e3 AC |
417 | cluster_generic(source_p, "UNKLINE", SHARED_UNKLINE, CAP_UNKLN, |
418 | "%s %s", user, host); | |
419 | ||
40a1d446 JT |
420 | if(aconf == NULL) |
421 | { | |
422 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
3c7d6fcc | 423 | return; |
40a1d446 | 424 | } |
55abcbb2 | 425 | |
431a1a27 JT |
426 | if(aconf->lifetime) |
427 | { | |
428 | if(propagated) | |
429 | remove_prop_kline(source_p, aconf); | |
430 | else | |
431 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
3c7d6fcc | 432 | return; |
431a1a27 | 433 | } |
40a1d446 | 434 | |
d922dded | 435 | if(remove_temp_kline(source_p, aconf)) |
3c7d6fcc | 436 | return; |
212380e3 | 437 | |
40a1d446 | 438 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
439 | } |
440 | ||
441 | /* ms_unkline() | |
442 | * | |
443 | * parv[1] - target server | |
444 | * parv[2] - user to unkline | |
445 | * parv[3] - host to unkline | |
446 | */ | |
3c7d6fcc | 447 | static void |
428ca87b | 448 | ms_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 | 449 | { |
8bbeb278 AC |
450 | /* parv[0] parv[1] parv[2] parv[3] |
451 | * oper target server user host */ | |
452 | propagate_generic(source_p, "UNKLINE", parv[1], CAP_UNKLN, "%s %s", parv[2], parv[3]); | |
212380e3 AC |
453 | |
454 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 455 | return; |
212380e3 AC |
456 | |
457 | if(!IsPerson(source_p)) | |
3c7d6fcc | 458 | return; |
212380e3 AC |
459 | |
460 | handle_remote_unkline(source_p, parv[2], parv[3]); | |
212380e3 AC |
461 | } |
462 | ||
3c7d6fcc | 463 | static void |
428ca87b | 464 | me_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
465 | { |
466 | /* user host */ | |
467 | if(!IsPerson(source_p)) | |
3c7d6fcc | 468 | return; |
212380e3 AC |
469 | |
470 | handle_remote_unkline(source_p, parv[1], parv[2]); | |
212380e3 AC |
471 | } |
472 | ||
473 | static void | |
474 | handle_remote_unkline(struct Client *source_p, const char *user, const char *host) | |
475 | { | |
40a1d446 JT |
476 | struct ConfItem *aconf; |
477 | ||
212380e3 | 478 | if(!find_shared_conf(source_p->username, source_p->host, |
8bbeb278 | 479 | source_p->servptr->name, SHARED_UNKLINE)) |
212380e3 AC |
480 | return; |
481 | ||
40a1d446 JT |
482 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); |
483 | if(aconf == NULL) | |
484 | { | |
485 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
486 | return; | |
487 | } | |
431a1a27 JT |
488 | if(aconf->lifetime) |
489 | { | |
490 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
491 | return; | |
492 | } | |
40a1d446 | 493 | |
d922dded | 494 | if(remove_temp_kline(source_p, aconf)) |
212380e3 | 495 | return; |
212380e3 | 496 | |
40a1d446 | 497 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
498 | } |
499 | ||
500 | /* apply_kline() | |
501 | * | |
55abcbb2 | 502 | * inputs - |
212380e3 AC |
503 | * output - NONE |
504 | * side effects - kline as given, is added to the hashtable | |
505 | * and conf file | |
506 | */ | |
507 | static void | |
508 | apply_kline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 509 | const char *reason, const char *oper_reason) |
212380e3 | 510 | { |
40c1fd47 | 511 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); |
8bbeb278 AC |
512 | bandb_add(BANDB_KLINE, source_p, aconf->user, aconf->host, |
513 | reason, EmptyString(oper_reason) ? NULL : oper_reason, 0); | |
9964e935 AC |
514 | |
515 | /* no oper reason.. */ | |
516 | if(EmptyString(oper_reason)) | |
517 | { | |
518 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
519 | "%s added K-Line for [%s@%s] [%s]", | |
520 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
521 | ilog(L_KLINE, "K %s 0 %s %s %s", | |
522 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
523 | } | |
524 | else | |
525 | { | |
526 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
527 | "%s added K-Line for [%s@%s] [%s|%s]", | |
528 | get_oper_name(source_p), aconf->user, aconf->host, | |
529 | reason, oper_reason); | |
530 | ilog(L_KLINE, "K %s 0 %s %s %s|%s", | |
531 | get_oper_name(source_p), aconf->user, aconf->host, reason, oper_reason); | |
532 | } | |
533 | ||
534 | sendto_one_notice(source_p, ":Added K-Line [%s@%s]", | |
535 | aconf->user, aconf->host); | |
212380e3 AC |
536 | } |
537 | ||
538 | /* apply_tkline() | |
539 | * | |
540 | * inputs - | |
541 | * output - NONE | |
542 | * side effects - tkline as given is placed | |
543 | */ | |
544 | static void | |
545 | apply_tkline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 546 | const char *reason, const char *oper_reason, int tkline_time) |
212380e3 | 547 | { |
e3354945 | 548 | aconf->hold = rb_current_time() + tkline_time; |
212380e3 AC |
549 | add_temp_kline(aconf); |
550 | ||
551 | /* no oper reason.. */ | |
552 | if(EmptyString(oper_reason)) | |
553 | { | |
554 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
555 | "%s added temporary %d min. K-Line for [%s@%s] [%s]", |
556 | get_oper_name(source_p), tkline_time / 60, | |
557 | aconf->user, aconf->host, reason); | |
212380e3 | 558 | ilog(L_KLINE, "K %s %d %s %s %s", |
8bbeb278 | 559 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); |
212380e3 AC |
560 | } |
561 | else | |
562 | { | |
563 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
564 | "%s added temporary %d min. K-Line for [%s@%s] [%s|%s]", |
565 | get_oper_name(source_p), tkline_time / 60, | |
566 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 | 567 | ilog(L_KLINE, "K %s %d %s %s %s|%s", |
8bbeb278 AC |
568 | get_oper_name(source_p), tkline_time / 60, |
569 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 AC |
570 | } |
571 | ||
572 | sendto_one_notice(source_p, ":Added temporary %d min. K-Line [%s@%s]", | |
573 | tkline_time / 60, aconf->user, aconf->host); | |
574 | } | |
575 | ||
431a1a27 JT |
576 | static void |
577 | apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, | |
578 | const char *reason, const char *oper_reason, int tkline_time) | |
579 | { | |
431a1a27 JT |
580 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; |
581 | aconf->hold = rb_current_time() + tkline_time; | |
582 | aconf->lifetime = aconf->hold; | |
583 | ||
3cbbfb25 | 584 | replace_old_ban(aconf); |
431a1a27 JT |
585 | |
586 | rb_dlinkAddAlloc(aconf, &prop_bans); | |
587 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); | |
588 | ||
589 | /* no oper reason.. */ | |
590 | if(EmptyString(oper_reason)) | |
591 | { | |
592 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
593 | "%s added global %d min. K-Line for [%s@%s] [%s]", | |
594 | get_oper_name(source_p), tkline_time / 60, | |
595 | aconf->user, aconf->host, reason); | |
596 | ilog(L_KLINE, "K %s %d %s %s %s", | |
597 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); | |
598 | } | |
599 | else | |
600 | { | |
601 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
602 | "%s added global %d min. K-Line for [%s@%s] [%s|%s]", | |
603 | get_oper_name(source_p), tkline_time / 60, | |
604 | aconf->user, aconf->host, reason, oper_reason); | |
605 | ilog(L_KLINE, "K %s %d %s %s %s|%s", | |
606 | get_oper_name(source_p), tkline_time / 60, | |
607 | aconf->user, aconf->host, reason, oper_reason); | |
608 | } | |
609 | ||
610 | sendto_one_notice(source_p, ":Added global %d min. K-Line [%s@%s]", | |
611 | tkline_time / 60, aconf->user, aconf->host); | |
612 | ||
613 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 614 | ":%s BAN K %s %s %lu %d %d * :%s%s%s", |
431a1a27 JT |
615 | source_p->id, aconf->user, aconf->host, |
616 | (unsigned long)aconf->created, | |
617 | (int)(aconf->hold - aconf->created), | |
618 | (int)(aconf->lifetime - aconf->created), | |
619 | reason, | |
620 | oper_reason ? "|" : "", | |
621 | oper_reason ? oper_reason : ""); | |
622 | } | |
623 | ||
212380e3 | 624 | /* find_user_host() |
55abcbb2 | 625 | * |
212380e3 | 626 | * inputs - client placing kline, user@host, user buffer, host buffer |
3c7d6fcc | 627 | * output - false if not ok to kline, true to kline i.e. if valid user host |
212380e3 AC |
628 | * side effects - |
629 | */ | |
3c7d6fcc | 630 | static bool |
212380e3 AC |
631 | find_user_host(struct Client *source_p, const char *userhost, char *luser, char *lhost) |
632 | { | |
633 | char *hostp; | |
634 | ||
635 | hostp = strchr(userhost, '@'); | |
8bbeb278 | 636 | |
212380e3 AC |
637 | if(hostp != NULL) /* I'm a little user@host */ |
638 | { | |
639 | *(hostp++) = '\0'; /* short and squat */ | |
640 | if(*userhost) | |
f427c8b0 | 641 | rb_strlcpy(luser, userhost, USERLEN + 1); /* here is my user */ |
212380e3 AC |
642 | else |
643 | strcpy(luser, "*"); | |
644 | if(*hostp) | |
f427c8b0 | 645 | rb_strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
212380e3 AC |
646 | else |
647 | strcpy(lhost, "*"); | |
8bbeb278 | 648 | } |
212380e3 AC |
649 | else |
650 | { | |
651 | /* no '@', no '.', so its not a user@host or host, therefore | |
652 | * its a nick, which support was removed for. | |
653 | */ | |
654 | if(strchr(userhost, '.') == NULL && strchr(userhost, ':') == NULL) | |
af0ba24b JT |
655 | { |
656 | sendto_one_notice(source_p, ":K-Line must be a user@host or host"); | |
3c7d6fcc | 657 | return false; |
af0ba24b | 658 | } |
212380e3 AC |
659 | |
660 | luser[0] = '*'; /* no @ found, assume its *@somehost */ | |
661 | luser[1] = '\0'; | |
f427c8b0 | 662 | rb_strlcpy(lhost, userhost, HOSTLEN + 1); |
212380e3 AC |
663 | } |
664 | ||
2b843a5b JT |
665 | /* would break the protocol */ |
666 | if (*luser == ':' || *lhost == ':') | |
667 | { | |
668 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 669 | return false; |
2b843a5b JT |
670 | } |
671 | ||
3c7d6fcc | 672 | return true; |
212380e3 AC |
673 | } |
674 | ||
675 | /* valid_user_host() | |
676 | * | |
677 | * inputs - user buffer, host buffer | |
3c7d6fcc | 678 | * output - false if invalid, true if valid |
212380e3 AC |
679 | * side effects - |
680 | */ | |
3c7d6fcc | 681 | static bool |
212380e3 AC |
682 | valid_user_host(struct Client *source_p, const char *luser, const char *lhost) |
683 | { | |
8bbeb278 AC |
684 | /* # is invalid, as are '!' (n!u@h kline) and '@' (u@@h kline) */ |
685 | if(strchr(lhost, '#') || strchr(luser, '#') || strchr(luser, '!') || strchr(lhost, '@')) | |
212380e3 AC |
686 | { |
687 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 688 | return false; |
212380e3 AC |
689 | } |
690 | ||
3c7d6fcc | 691 | return true; |
212380e3 AC |
692 | } |
693 | ||
212380e3 AC |
694 | /* already_placed_kline() |
695 | * | |
696 | * inputs - source to notify, user@host to check, tkline time | |
3c7d6fcc EM |
697 | * outputs - true if a perm kline or a tkline when a tkline is being |
698 | * set exists, else false | |
212380e3 AC |
699 | * side effects - notifies source_p kline exists |
700 | */ | |
701 | /* Note: This currently works if the new K-line is a special case of an | |
702 | * existing K-line, but not the other way round. To do that we would | |
703 | * have to walk the hash and check every existing K-line. -A1kmm. | |
704 | */ | |
3c7d6fcc | 705 | static bool |
212380e3 AC |
706 | already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int tkline) |
707 | { | |
7f27e316 | 708 | const char *reason, *p; |
e7046ee5 | 709 | struct rb_sockaddr_storage iphost, *piphost; |
212380e3 | 710 | struct ConfItem *aconf; |
8bbeb278 | 711 | int t, bits; |
7f27e316 JT |
712 | |
713 | aconf = find_exact_conf_by_address(lhost, CONF_KILL, luser); | |
8bbeb278 | 714 | if(aconf == NULL && ConfigFileEntry.non_redundant_klines) |
212380e3 | 715 | { |
7f27e316 | 716 | bits = 0; |
29c92cf9 | 717 | if((t = parse_netmask(lhost, &iphost, &bits)) != HM_HOST) |
212380e3 | 718 | { |
ccda6e3f | 719 | #ifdef RB_IPV6 |
212380e3 AC |
720 | if(t == HM_IPV6) |
721 | t = AF_INET6; | |
722 | else | |
723 | #endif | |
724 | t = AF_INET; | |
8bbeb278 | 725 | |
212380e3 AC |
726 | piphost = &iphost; |
727 | } | |
728 | else | |
729 | piphost = NULL; | |
730 | ||
8bbeb278 AC |
731 | aconf = find_conf_by_address(lhost, NULL, NULL, (struct sockaddr *) piphost, |
732 | CONF_KILL, t, luser, NULL); | |
733 | if(aconf != NULL) | |
212380e3 | 734 | { |
7f27e316 JT |
735 | /* The above was really a lookup of a single IP, |
736 | * so check if the new kline is wider than the | |
737 | * existing one. | |
738 | * -- jilles | |
739 | */ | |
740 | p = strchr(aconf->host, '/'); | |
8bbeb278 | 741 | if(bits > 0 && (p == NULL || bits < atoi(p + 1))) |
7f27e316 JT |
742 | aconf = NULL; |
743 | } | |
744 | } | |
8bbeb278 | 745 | if(aconf != NULL) |
7f27e316 JT |
746 | { |
747 | /* setting a tkline, or existing one is perm */ | |
748 | if(tkline || ((aconf->flags & CONF_FLAGS_TEMPORARY) == 0)) | |
749 | { | |
750 | reason = aconf->passwd ? aconf->passwd : "<No Reason>"; | |
751 | ||
752 | sendto_one_notice(source_p, | |
753 | ":[%s@%s] already K-Lined by [%s@%s] - %s", | |
8bbeb278 | 754 | luser, lhost, aconf->user, aconf->host, reason); |
3c7d6fcc | 755 | return true; |
212380e3 AC |
756 | } |
757 | } | |
758 | ||
3c7d6fcc | 759 | return false; |
212380e3 AC |
760 | } |
761 | ||
762 | /* remove_permkline_match() | |
763 | * | |
764 | * hunts for a permanent kline, and removes it. | |
765 | */ | |
766 | static void | |
40a1d446 | 767 | remove_permkline_match(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 768 | { |
8bbeb278 | 769 | sendto_one_notice(source_p, ":K-Line for [%s@%s] is removed", aconf->user, aconf->host); |
212380e3 AC |
770 | |
771 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
772 | "%s has removed the K-Line for: [%s@%s]", |
773 | get_oper_name(source_p), aconf->user, aconf->host); | |
212380e3 | 774 | |
8bbeb278 | 775 | ilog(L_KLINE, "UK %s %s %s", get_oper_name(source_p), aconf->user, aconf->host); |
40a1d446 | 776 | |
54ac8b60 | 777 | remove_reject_mask(aconf->user, aconf->host); |
8bbeb278 | 778 | bandb_del(BANDB_KLINE, aconf->user, aconf->host); |
40a1d446 | 779 | delete_one_address_conf(aconf->host, aconf); |
212380e3 AC |
780 | } |
781 | ||
212380e3 AC |
782 | /* remove_temp_kline() |
783 | * | |
784 | * inputs - username, hostname to unkline | |
785 | * outputs - | |
786 | * side effects - tries to unkline anything that matches | |
787 | */ | |
3c7d6fcc | 788 | static bool |
d922dded | 789 | remove_temp_kline(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 790 | { |
5b96d9a6 | 791 | rb_dlink_node *ptr; |
212380e3 AC |
792 | int i; |
793 | ||
8bbeb278 | 794 | for(i = 0; i < LAST_TEMP_TYPE; i++) |
212380e3 | 795 | { |
5b96d9a6 | 796 | RB_DLINK_FOREACH(ptr, temp_klines[i].head) |
212380e3 | 797 | { |
8bbeb278 | 798 | if(aconf == ptr->data) |
212380e3 | 799 | { |
d922dded | 800 | sendto_one_notice(source_p, |
8bbeb278 AC |
801 | ":Un-klined [%s@%s] from temporary k-lines", |
802 | aconf->user, aconf->host); | |
d922dded | 803 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
8bbeb278 AC |
804 | "%s has removed the temporary K-Line for: [%s@%s]", |
805 | get_oper_name(source_p), aconf->user, | |
806 | aconf->host); | |
d922dded JT |
807 | |
808 | ilog(L_KLINE, "UK %s %s %s", | |
8bbeb278 | 809 | get_oper_name(source_p), aconf->user, aconf->host); |
555ac41f | 810 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
54ac8b60 | 811 | remove_reject_mask(aconf->user, aconf->host); |
40a1d446 | 812 | delete_one_address_conf(aconf->host, aconf); |
3c7d6fcc | 813 | return true; |
212380e3 | 814 | } |
212380e3 AC |
815 | } |
816 | } | |
817 | ||
3c7d6fcc | 818 | return false; |
212380e3 | 819 | } |
431a1a27 JT |
820 | |
821 | static void | |
822 | remove_prop_kline(struct Client *source_p, struct ConfItem *aconf) | |
823 | { | |
824 | rb_dlink_node *ptr; | |
483987a4 | 825 | time_t now; |
431a1a27 JT |
826 | |
827 | ptr = rb_dlinkFind(aconf, &prop_bans); | |
828 | if (!ptr) | |
829 | return; | |
830 | sendto_one_notice(source_p, | |
831 | ":Un-klined [%s@%s] from global k-lines", | |
832 | aconf->user, aconf->host); | |
833 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
834 | "%s has removed the global K-Line for: [%s@%s]", | |
835 | get_oper_name(source_p), aconf->user, | |
836 | aconf->host); | |
837 | ||
838 | ilog(L_KLINE, "UK %s %s %s", | |
839 | get_oper_name(source_p), aconf->user, aconf->host); | |
483987a4 JT |
840 | now = rb_current_time(); |
841 | if(aconf->created < now) | |
842 | aconf->created = now; | |
431a1a27 JT |
843 | else |
844 | aconf->created++; | |
cedb7d05 | 845 | aconf->hold = aconf->created; |
431a1a27 JT |
846 | operhash_delete(aconf->info.oper); |
847 | aconf->info.oper = operhash_add(get_oper_name(source_p)); | |
848 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; | |
849 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 850 | ":%s BAN K %s %s %lu %d %d * :*", |
431a1a27 JT |
851 | source_p->id, aconf->user, aconf->host, |
852 | (unsigned long)aconf->created, | |
853 | 0, | |
854 | (int)(aconf->lifetime - aconf->created)); | |
855 | remove_reject_mask(aconf->user, aconf->host); | |
483987a4 | 856 | deactivate_conf(aconf, ptr, now); |
431a1a27 | 857 | } |