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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" | |
4562c604 | 29 | #include "match.h" |
212380e3 AC |
30 | #include "ircd.h" |
31 | #include "hostmask.h" | |
32 | #include "numeric.h" | |
212380e3 AC |
33 | #include "s_conf.h" |
34 | #include "s_newconf.h" | |
4016731b | 35 | #include "logger.h" |
212380e3 AC |
36 | #include "send.h" |
37 | #include "hash.h" | |
38 | #include "s_serv.h" | |
39 | #include "msg.h" | |
40 | #include "parse.h" | |
41 | #include "modules.h" | |
35f6f850 | 42 | #include "reject.h" |
8bbeb278 | 43 | #include "bandbi.h" |
27f616dd | 44 | #include "operhash.h" |
212380e3 | 45 | |
eeabf33a EM |
46 | static const char kline_desc[] = "Provides the KLINE facility to ban users via hostmask"; |
47 | ||
3c7d6fcc EM |
48 | static void mo_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
49 | static void ms_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
50 | static void me_kline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
51 | static void mo_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
52 | static void ms_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
53 | static void me_unkline(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
212380e3 AC |
54 | |
55 | struct Message kline_msgtab = { | |
7baa37a9 | 56 | "KLINE", 0, 0, 0, 0, |
212380e3 AC |
57 | {mg_unreg, mg_not_oper, {ms_kline, 5}, {ms_kline, 5}, {me_kline, 5}, {mo_kline, 3}} |
58 | }; | |
59 | ||
60 | struct Message unkline_msgtab = { | |
7baa37a9 | 61 | "UNKLINE", 0, 0, 0, 0, |
212380e3 AC |
62 | {mg_unreg, mg_not_oper, {ms_unkline, 4}, {ms_unkline, 4}, {me_unkline, 3}, {mo_unkline, 2}} |
63 | }; | |
64 | ||
65 | mapi_clist_av1 kline_clist[] = { &kline_msgtab, &unkline_msgtab, NULL }; | |
8bbeb278 | 66 | |
f1156bf0 | 67 | DECLARE_MODULE_AV2(kline, NULL, NULL, kline_clist, NULL, NULL, NULL, NULL, kline_desc); |
212380e3 AC |
68 | |
69 | /* Local function prototypes */ | |
3c7d6fcc EM |
70 | static bool find_user_host(struct Client *source_p, const char *userhost, char *user, char *host); |
71 | static bool valid_user_host(struct Client *source_p, const char *user, const char *host); | |
212380e3 AC |
72 | |
73 | static void handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 74 | const char *user, const char *host, const char *reason); |
212380e3 | 75 | static void apply_kline(struct Client *source_p, struct ConfItem *aconf, |
b52c2949 | 76 | const char *reason, const char *oper_reason); |
212380e3 | 77 | static void apply_tkline(struct Client *source_p, struct ConfItem *aconf, |
b52c2949 | 78 | const char *, const char *, int); |
431a1a27 JT |
79 | static void apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, |
80 | const char *, const char *, int); | |
3c7d6fcc | 81 | static bool already_placed_kline(struct Client *, const char *, const char *, int); |
212380e3 | 82 | |
8bbeb278 | 83 | static void handle_remote_unkline(struct Client *source_p, const char *user, const char *host); |
40a1d446 | 84 | static void remove_permkline_match(struct Client *, struct ConfItem *); |
3c7d6fcc | 85 | static bool remove_temp_kline(struct Client *, struct ConfItem *); |
431a1a27 | 86 | static void remove_prop_kline(struct Client *, struct ConfItem *); |
212380e3 | 87 | |
b068a4b5 | 88 | |
212380e3 AC |
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 | 101 | char user[USERLEN + 2]; |
8e1e48e1 | 102 | char host_buf[HOSTLEN + 3], *host = host_buf + 1; |
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 | 125 | |
8e1e48e1 EK |
126 | if (*host == ':') |
127 | { | |
128 | host--; | |
129 | *host = '0'; | |
130 | } | |
131 | ||
212380e3 AC |
132 | loc++; |
133 | ||
8bbeb278 | 134 | if(parc >= loc + 2 && !irccmp(parv[loc], "ON")) |
212380e3 AC |
135 | { |
136 | if(!IsOperRemoteBan(source_p)) | |
137 | { | |
138 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 139 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 140 | return; |
212380e3 AC |
141 | } |
142 | ||
8bbeb278 | 143 | target_server = parv[loc + 1]; |
212380e3 AC |
144 | loc += 2; |
145 | } | |
146 | ||
147 | if(parc <= loc || EmptyString(parv[loc])) | |
148 | { | |
149 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
150 | me.name, source_p->name, "KLINE"); | |
3c7d6fcc | 151 | return; |
212380e3 AC |
152 | } |
153 | ||
154 | reason = LOCAL_COPY(parv[loc]); | |
155 | ||
7d9e8e9d EK |
156 | if(parse_netmask_strict(host, NULL, NULL) == HM_ERROR) |
157 | { | |
158 | sendto_one_notice(source_p, | |
159 | ":[%s@%s] looks like an ill-formed IP K-line, refusing to set it", | |
160 | user, host); | |
161 | return; | |
162 | } | |
163 | ||
212380e3 AC |
164 | if(target_server != NULL) |
165 | { | |
166 | propagate_generic(source_p, "KLINE", target_server, CAP_KLN, | |
8bbeb278 | 167 | "%d %s %s :%s", tkline_time, user, host, reason); |
212380e3 AC |
168 | |
169 | /* If we are sending it somewhere that doesnt include us, stop */ | |
170 | if(!match(target_server, me.name)) | |
3c7d6fcc | 171 | return; |
431a1a27 JT |
172 | |
173 | /* Set as local-only. */ | |
f66f0baa | 174 | propagated = false; |
212380e3 AC |
175 | } |
176 | /* if we have cluster servers, send it to them.. */ | |
431a1a27 | 177 | else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0) |
8bbeb278 | 178 | cluster_generic(source_p, "KLINE", |
212380e3 | 179 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE, CAP_KLN, |
8bbeb278 | 180 | "%lu %s %s :%s", tkline_time, user, host, reason); |
212380e3 | 181 | |
9319a2e2 | 182 | if(!valid_user_host(source_p, user, host)) |
3c7d6fcc | 183 | return; |
212380e3 | 184 | |
5c2b9eaf JT |
185 | if(!valid_wild_card(user, host)) |
186 | { | |
187 | sendto_one_notice(source_p, | |
188 | ":Please include at least %d non-wildcard " | |
189 | "characters with the user@host", | |
190 | ConfigFileEntry.min_nonwildcard); | |
3c7d6fcc | 191 | return; |
5c2b9eaf JT |
192 | } |
193 | ||
431a1a27 JT |
194 | if(propagated && tkline_time == 0) |
195 | { | |
196 | sendto_one_notice(source_p, ":Cannot set a permanent global ban"); | |
3c7d6fcc | 197 | return; |
431a1a27 JT |
198 | } |
199 | ||
212380e3 | 200 | if(already_placed_kline(source_p, user, host, tkline_time)) |
3c7d6fcc | 201 | return; |
212380e3 | 202 | |
7df5fcfb | 203 | rb_set_time(); |
212380e3 AC |
204 | aconf = make_conf(); |
205 | aconf->status = CONF_KILL; | |
b52c2949 | 206 | aconf->created = rb_current_time(); |
47a03750 VY |
207 | aconf->host = rb_strdup(host); |
208 | aconf->user = rb_strdup(user); | |
212380e3 | 209 | aconf->port = 0; |
27f616dd | 210 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 211 | |
9319a2e2 KB |
212 | if(strlen(reason) > BANREASONLEN) |
213 | reason[BANREASONLEN] = '\0'; | |
214 | ||
212380e3 AC |
215 | /* Look for an oper reason */ |
216 | if((oper_reason = strchr(reason, '|')) != NULL) | |
217 | { | |
218 | *oper_reason = '\0'; | |
219 | oper_reason++; | |
220 | ||
221 | if(!EmptyString(oper_reason)) | |
47a03750 | 222 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 223 | } |
c935336b | 224 | aconf->passwd = rb_strdup(reason); |
212380e3 | 225 | |
431a1a27 JT |
226 | if(propagated) |
227 | apply_prop_kline(source_p, aconf, reason, oper_reason, tkline_time); | |
228 | else if(tkline_time > 0) | |
b52c2949 | 229 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 230 | else |
b52c2949 | 231 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 | 232 | |
b068a4b5 | 233 | check_one_kline(aconf); |
212380e3 AC |
234 | } |
235 | ||
236 | /* ms_kline() | |
237 | * | |
238 | * parv[1] - server targeted at | |
239 | * parv[2] - tkline time (0 if perm) | |
240 | * parv[3] - user | |
241 | * parv[4] - host | |
242 | * parv[5] - reason | |
243 | */ | |
3c7d6fcc | 244 | static void |
428ca87b | 245 | ms_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
246 | { |
247 | int tkline_time = atoi(parv[2]); | |
248 | ||
249 | /* 1.5-3 and earlier contains a bug that allows remote klines to be | |
250 | * sent with an empty reason field. This is a protocol violation, | |
251 | * but its not worth dropping the link over.. --anfl | |
252 | */ | |
253 | if(parc < 6 || EmptyString(parv[5])) | |
3c7d6fcc | 254 | return; |
212380e3 AC |
255 | |
256 | propagate_generic(source_p, "KLINE", parv[1], CAP_KLN, | |
8bbeb278 | 257 | "%d %s %s :%s", tkline_time, parv[3], parv[4], parv[5]); |
212380e3 AC |
258 | |
259 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 260 | return; |
212380e3 AC |
261 | |
262 | if(!IsPerson(source_p)) | |
3c7d6fcc | 263 | return; |
212380e3 AC |
264 | |
265 | handle_remote_kline(source_p, tkline_time, parv[3], parv[4], parv[5]); | |
212380e3 AC |
266 | } |
267 | ||
3c7d6fcc | 268 | static void |
428ca87b | 269 | me_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
270 | { |
271 | /* <tkline_time> <user> <host> :<reason> */ | |
272 | if(!IsPerson(source_p)) | |
3c7d6fcc | 273 | return; |
212380e3 AC |
274 | |
275 | handle_remote_kline(source_p, atoi(parv[1]), parv[2], parv[3], parv[4]); | |
212380e3 AC |
276 | } |
277 | ||
278 | static void | |
279 | handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 280 | const char *user, const char *host, const char *kreason) |
212380e3 | 281 | { |
212380e3 AC |
282 | char *reason = LOCAL_COPY(kreason); |
283 | struct ConfItem *aconf = NULL; | |
284 | char *oper_reason; | |
285 | ||
9319a2e2 | 286 | if(!valid_user_host(source_p, user, host)) |
212380e3 AC |
287 | return; |
288 | ||
5c2b9eaf JT |
289 | if(!valid_wild_card(user, host)) |
290 | { | |
291 | sendto_one_notice(source_p, | |
292 | ":Please include at least %d non-wildcard " | |
293 | "characters with the user@host", | |
294 | ConfigFileEntry.min_nonwildcard); | |
803ce385 | 295 | return; |
5c2b9eaf JT |
296 | } |
297 | ||
212380e3 AC |
298 | if(already_placed_kline(source_p, user, host, tkline_time)) |
299 | return; | |
300 | ||
301 | aconf = make_conf(); | |
302 | ||
303 | aconf->status = CONF_KILL; | |
b52c2949 | 304 | aconf->created = rb_current_time(); |
47a03750 VY |
305 | aconf->user = rb_strdup(user); |
306 | aconf->host = rb_strdup(host); | |
27f616dd | 307 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 308 | |
9319a2e2 KB |
309 | if(strlen(reason) > BANREASONLEN) |
310 | reason[BANREASONLEN] = '\0'; | |
311 | ||
212380e3 AC |
312 | /* Look for an oper reason */ |
313 | if((oper_reason = strchr(reason, '|')) != NULL) | |
314 | { | |
315 | *oper_reason = '\0'; | |
316 | oper_reason++; | |
317 | ||
318 | if(!EmptyString(oper_reason)) | |
47a03750 | 319 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 320 | } |
c935336b | 321 | aconf->passwd = rb_strdup(reason); |
212380e3 | 322 | |
212380e3 | 323 | if(tkline_time > 0) |
b52c2949 | 324 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 325 | else |
b52c2949 | 326 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 | 327 | |
b068a4b5 | 328 | check_one_kline(aconf); |
212380e3 AC |
329 | } |
330 | ||
331 | /* mo_unkline() | |
332 | * | |
333 | * parv[1] - kline to remove | |
334 | * parv[2] - optional "ON" | |
335 | * parv[3] - optional target server | |
336 | */ | |
3c7d6fcc | 337 | static void |
428ca87b | 338 | mo_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
339 | { |
340 | const char *user; | |
341 | char *host; | |
342 | char splat[] = "*"; | |
343 | char *h = LOCAL_COPY(parv[1]); | |
40a1d446 | 344 | struct ConfItem *aconf; |
f66f0baa | 345 | bool propagated = true; |
212380e3 AC |
346 | |
347 | if(!IsOperUnkline(source_p)) | |
348 | { | |
8bbeb278 | 349 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "unkline"); |
3c7d6fcc | 350 | return; |
212380e3 AC |
351 | } |
352 | ||
353 | if((host = strchr(h, '@')) || *h == '*' || strchr(h, '.') || strchr(h, ':')) | |
354 | { | |
355 | /* Explicit user@host mask given */ | |
356 | ||
357 | if(host) /* Found user@host */ | |
358 | { | |
359 | *host++ = '\0'; | |
360 | ||
361 | /* check for @host */ | |
362 | if(*h) | |
363 | user = h; | |
364 | else | |
365 | user = splat; | |
366 | ||
367 | /* check for user@ */ | |
368 | if(!*host) | |
369 | host = splat; | |
370 | } | |
371 | else | |
372 | { | |
373 | user = splat; /* no @ found, assume its *@somehost */ | |
374 | host = h; | |
375 | } | |
376 | } | |
377 | else | |
378 | { | |
5366977b | 379 | sendto_one_notice(source_p, ":Invalid parameters"); |
3c7d6fcc | 380 | return; |
212380e3 AC |
381 | } |
382 | ||
383 | /* possible remote kline.. */ | |
384 | if((parc > 3) && (irccmp(parv[2], "ON") == 0)) | |
385 | { | |
386 | if(!IsOperRemoteBan(source_p)) | |
387 | { | |
388 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 389 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 390 | return; |
212380e3 AC |
391 | } |
392 | ||
8bbeb278 | 393 | propagate_generic(source_p, "UNKLINE", parv[3], CAP_UNKLN, "%s %s", user, host); |
212380e3 AC |
394 | |
395 | if(match(parv[3], me.name) == 0) | |
3c7d6fcc | 396 | return; |
431a1a27 | 397 | |
f66f0baa | 398 | propagated = false; |
212380e3 | 399 | } |
431a1a27 JT |
400 | |
401 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); | |
402 | ||
403 | /* No clustering for removing a propagated kline */ | |
404 | if(propagated && (aconf == NULL || !aconf->lifetime) && | |
405 | rb_dlink_list_length(&cluster_conf_list) > 0) | |
212380e3 AC |
406 | cluster_generic(source_p, "UNKLINE", SHARED_UNKLINE, CAP_UNKLN, |
407 | "%s %s", user, host); | |
408 | ||
40a1d446 JT |
409 | if(aconf == NULL) |
410 | { | |
411 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
3c7d6fcc | 412 | return; |
40a1d446 | 413 | } |
55abcbb2 | 414 | |
431a1a27 JT |
415 | if(aconf->lifetime) |
416 | { | |
417 | if(propagated) | |
418 | remove_prop_kline(source_p, aconf); | |
419 | else | |
420 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
3c7d6fcc | 421 | return; |
431a1a27 | 422 | } |
40a1d446 | 423 | |
d922dded | 424 | if(remove_temp_kline(source_p, aconf)) |
3c7d6fcc | 425 | return; |
212380e3 | 426 | |
40a1d446 | 427 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
428 | } |
429 | ||
430 | /* ms_unkline() | |
431 | * | |
432 | * parv[1] - target server | |
433 | * parv[2] - user to unkline | |
434 | * parv[3] - host to unkline | |
435 | */ | |
3c7d6fcc | 436 | static void |
428ca87b | 437 | ms_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 | 438 | { |
8bbeb278 AC |
439 | /* parv[0] parv[1] parv[2] parv[3] |
440 | * oper target server user host */ | |
441 | propagate_generic(source_p, "UNKLINE", parv[1], CAP_UNKLN, "%s %s", parv[2], parv[3]); | |
212380e3 AC |
442 | |
443 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 444 | return; |
212380e3 AC |
445 | |
446 | if(!IsPerson(source_p)) | |
3c7d6fcc | 447 | return; |
212380e3 AC |
448 | |
449 | handle_remote_unkline(source_p, parv[2], parv[3]); | |
212380e3 AC |
450 | } |
451 | ||
3c7d6fcc | 452 | static void |
428ca87b | 453 | me_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
454 | { |
455 | /* user host */ | |
456 | if(!IsPerson(source_p)) | |
3c7d6fcc | 457 | return; |
212380e3 AC |
458 | |
459 | handle_remote_unkline(source_p, parv[1], parv[2]); | |
212380e3 AC |
460 | } |
461 | ||
462 | static void | |
463 | handle_remote_unkline(struct Client *source_p, const char *user, const char *host) | |
464 | { | |
40a1d446 JT |
465 | struct ConfItem *aconf; |
466 | ||
40a1d446 JT |
467 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); |
468 | if(aconf == NULL) | |
469 | { | |
470 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
471 | return; | |
472 | } | |
431a1a27 JT |
473 | if(aconf->lifetime) |
474 | { | |
475 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
476 | return; | |
477 | } | |
40a1d446 | 478 | |
d922dded | 479 | if(remove_temp_kline(source_p, aconf)) |
212380e3 | 480 | return; |
212380e3 | 481 | |
40a1d446 | 482 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
483 | } |
484 | ||
485 | /* apply_kline() | |
486 | * | |
55abcbb2 | 487 | * inputs - |
212380e3 AC |
488 | * output - NONE |
489 | * side effects - kline as given, is added to the hashtable | |
490 | * and conf file | |
491 | */ | |
492 | static void | |
493 | apply_kline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 494 | const char *reason, const char *oper_reason) |
212380e3 | 495 | { |
40c1fd47 | 496 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); |
8bbeb278 AC |
497 | bandb_add(BANDB_KLINE, source_p, aconf->user, aconf->host, |
498 | reason, EmptyString(oper_reason) ? NULL : oper_reason, 0); | |
9964e935 AC |
499 | |
500 | /* no oper reason.. */ | |
501 | if(EmptyString(oper_reason)) | |
502 | { | |
503 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
504 | "%s added K-Line for [%s@%s] [%s]", | |
505 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
506 | ilog(L_KLINE, "K %s 0 %s %s %s", | |
507 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
508 | } | |
509 | else | |
510 | { | |
511 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
512 | "%s added K-Line for [%s@%s] [%s|%s]", | |
513 | get_oper_name(source_p), aconf->user, aconf->host, | |
514 | reason, oper_reason); | |
515 | ilog(L_KLINE, "K %s 0 %s %s %s|%s", | |
516 | get_oper_name(source_p), aconf->user, aconf->host, reason, oper_reason); | |
517 | } | |
518 | ||
519 | sendto_one_notice(source_p, ":Added K-Line [%s@%s]", | |
520 | aconf->user, aconf->host); | |
212380e3 AC |
521 | } |
522 | ||
523 | /* apply_tkline() | |
524 | * | |
525 | * inputs - | |
526 | * output - NONE | |
527 | * side effects - tkline as given is placed | |
528 | */ | |
529 | static void | |
530 | apply_tkline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 531 | const char *reason, const char *oper_reason, int tkline_time) |
212380e3 | 532 | { |
e3354945 | 533 | aconf->hold = rb_current_time() + tkline_time; |
212380e3 AC |
534 | add_temp_kline(aconf); |
535 | ||
536 | /* no oper reason.. */ | |
537 | if(EmptyString(oper_reason)) | |
538 | { | |
539 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
540 | "%s added temporary %d min. K-Line for [%s@%s] [%s]", |
541 | get_oper_name(source_p), tkline_time / 60, | |
542 | aconf->user, aconf->host, reason); | |
212380e3 | 543 | ilog(L_KLINE, "K %s %d %s %s %s", |
8bbeb278 | 544 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); |
212380e3 AC |
545 | } |
546 | else | |
547 | { | |
548 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
549 | "%s added temporary %d min. K-Line for [%s@%s] [%s|%s]", |
550 | get_oper_name(source_p), tkline_time / 60, | |
551 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 | 552 | ilog(L_KLINE, "K %s %d %s %s %s|%s", |
8bbeb278 AC |
553 | get_oper_name(source_p), tkline_time / 60, |
554 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 AC |
555 | } |
556 | ||
557 | sendto_one_notice(source_p, ":Added temporary %d min. K-Line [%s@%s]", | |
558 | tkline_time / 60, aconf->user, aconf->host); | |
559 | } | |
560 | ||
431a1a27 JT |
561 | static void |
562 | apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, | |
563 | const char *reason, const char *oper_reason, int tkline_time) | |
564 | { | |
431a1a27 JT |
565 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; |
566 | aconf->hold = rb_current_time() + tkline_time; | |
567 | aconf->lifetime = aconf->hold; | |
568 | ||
3cbbfb25 | 569 | replace_old_ban(aconf); |
431a1a27 JT |
570 | |
571 | rb_dlinkAddAlloc(aconf, &prop_bans); | |
572 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); | |
573 | ||
574 | /* no oper reason.. */ | |
575 | if(EmptyString(oper_reason)) | |
576 | { | |
577 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
578 | "%s added global %d min. K-Line for [%s@%s] [%s]", | |
579 | get_oper_name(source_p), tkline_time / 60, | |
580 | aconf->user, aconf->host, reason); | |
581 | ilog(L_KLINE, "K %s %d %s %s %s", | |
582 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); | |
583 | } | |
584 | else | |
585 | { | |
586 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
587 | "%s added global %d min. K-Line for [%s@%s] [%s|%s]", | |
588 | get_oper_name(source_p), tkline_time / 60, | |
589 | aconf->user, aconf->host, reason, oper_reason); | |
590 | ilog(L_KLINE, "K %s %d %s %s %s|%s", | |
591 | get_oper_name(source_p), tkline_time / 60, | |
592 | aconf->user, aconf->host, reason, oper_reason); | |
593 | } | |
594 | ||
595 | sendto_one_notice(source_p, ":Added global %d min. K-Line [%s@%s]", | |
596 | tkline_time / 60, aconf->user, aconf->host); | |
597 | ||
598 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 599 | ":%s BAN K %s %s %lu %d %d * :%s%s%s", |
431a1a27 JT |
600 | source_p->id, aconf->user, aconf->host, |
601 | (unsigned long)aconf->created, | |
602 | (int)(aconf->hold - aconf->created), | |
603 | (int)(aconf->lifetime - aconf->created), | |
604 | reason, | |
605 | oper_reason ? "|" : "", | |
606 | oper_reason ? oper_reason : ""); | |
607 | } | |
608 | ||
212380e3 | 609 | /* find_user_host() |
55abcbb2 | 610 | * |
212380e3 | 611 | * inputs - client placing kline, user@host, user buffer, host buffer |
3c7d6fcc | 612 | * output - false if not ok to kline, true to kline i.e. if valid user host |
212380e3 AC |
613 | * side effects - |
614 | */ | |
3c7d6fcc | 615 | static bool |
212380e3 AC |
616 | find_user_host(struct Client *source_p, const char *userhost, char *luser, char *lhost) |
617 | { | |
618 | char *hostp; | |
619 | ||
620 | hostp = strchr(userhost, '@'); | |
8bbeb278 | 621 | |
212380e3 AC |
622 | if(hostp != NULL) /* I'm a little user@host */ |
623 | { | |
624 | *(hostp++) = '\0'; /* short and squat */ | |
625 | if(*userhost) | |
f427c8b0 | 626 | rb_strlcpy(luser, userhost, USERLEN + 1); /* here is my user */ |
212380e3 AC |
627 | else |
628 | strcpy(luser, "*"); | |
629 | if(*hostp) | |
f427c8b0 | 630 | rb_strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
212380e3 AC |
631 | else |
632 | strcpy(lhost, "*"); | |
8bbeb278 | 633 | } |
212380e3 AC |
634 | else |
635 | { | |
636 | /* no '@', no '.', so its not a user@host or host, therefore | |
637 | * its a nick, which support was removed for. | |
638 | */ | |
639 | if(strchr(userhost, '.') == NULL && strchr(userhost, ':') == NULL) | |
af0ba24b JT |
640 | { |
641 | sendto_one_notice(source_p, ":K-Line must be a user@host or host"); | |
3c7d6fcc | 642 | return false; |
af0ba24b | 643 | } |
212380e3 AC |
644 | |
645 | luser[0] = '*'; /* no @ found, assume its *@somehost */ | |
646 | luser[1] = '\0'; | |
f427c8b0 | 647 | rb_strlcpy(lhost, userhost, HOSTLEN + 1); |
212380e3 AC |
648 | } |
649 | ||
2b843a5b JT |
650 | /* would break the protocol */ |
651 | if (*luser == ':' || *lhost == ':') | |
652 | { | |
653 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 654 | return false; |
2b843a5b JT |
655 | } |
656 | ||
3c7d6fcc | 657 | return true; |
212380e3 AC |
658 | } |
659 | ||
660 | /* valid_user_host() | |
661 | * | |
662 | * inputs - user buffer, host buffer | |
3c7d6fcc | 663 | * output - false if invalid, true if valid |
212380e3 AC |
664 | * side effects - |
665 | */ | |
3c7d6fcc | 666 | static bool |
212380e3 AC |
667 | valid_user_host(struct Client *source_p, const char *luser, const char *lhost) |
668 | { | |
8bbeb278 AC |
669 | /* # is invalid, as are '!' (n!u@h kline) and '@' (u@@h kline) */ |
670 | if(strchr(lhost, '#') || strchr(luser, '#') || strchr(luser, '!') || strchr(lhost, '@')) | |
212380e3 AC |
671 | { |
672 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 673 | return false; |
212380e3 AC |
674 | } |
675 | ||
3c7d6fcc | 676 | return true; |
212380e3 AC |
677 | } |
678 | ||
212380e3 AC |
679 | /* already_placed_kline() |
680 | * | |
681 | * inputs - source to notify, user@host to check, tkline time | |
3c7d6fcc EM |
682 | * outputs - true if a perm kline or a tkline when a tkline is being |
683 | * set exists, else false | |
212380e3 AC |
684 | * side effects - notifies source_p kline exists |
685 | */ | |
686 | /* Note: This currently works if the new K-line is a special case of an | |
687 | * existing K-line, but not the other way round. To do that we would | |
688 | * have to walk the hash and check every existing K-line. -A1kmm. | |
689 | */ | |
3c7d6fcc | 690 | static bool |
212380e3 AC |
691 | already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int tkline) |
692 | { | |
7f27e316 | 693 | const char *reason, *p; |
e7046ee5 | 694 | struct rb_sockaddr_storage iphost, *piphost; |
212380e3 | 695 | struct ConfItem *aconf; |
8bbeb278 | 696 | int t, bits; |
7f27e316 JT |
697 | |
698 | aconf = find_exact_conf_by_address(lhost, CONF_KILL, luser); | |
8bbeb278 | 699 | if(aconf == NULL && ConfigFileEntry.non_redundant_klines) |
212380e3 | 700 | { |
7f27e316 | 701 | bits = 0; |
7d9e8e9d EK |
702 | t = parse_netmask_strict(lhost, &iphost, &bits); |
703 | piphost = &iphost; | |
704 | if (t == HM_IPV4) | |
705 | t = AF_INET; | |
706 | else if (t == HM_IPV6) | |
707 | t = AF_INET6; | |
212380e3 AC |
708 | else |
709 | piphost = NULL; | |
710 | ||
8bbeb278 AC |
711 | aconf = find_conf_by_address(lhost, NULL, NULL, (struct sockaddr *) piphost, |
712 | CONF_KILL, t, luser, NULL); | |
713 | if(aconf != NULL) | |
212380e3 | 714 | { |
7f27e316 JT |
715 | /* The above was really a lookup of a single IP, |
716 | * so check if the new kline is wider than the | |
717 | * existing one. | |
718 | * -- jilles | |
719 | */ | |
720 | p = strchr(aconf->host, '/'); | |
8bbeb278 | 721 | if(bits > 0 && (p == NULL || bits < atoi(p + 1))) |
7f27e316 JT |
722 | aconf = NULL; |
723 | } | |
724 | } | |
8bbeb278 | 725 | if(aconf != NULL) |
7f27e316 JT |
726 | { |
727 | /* setting a tkline, or existing one is perm */ | |
728 | if(tkline || ((aconf->flags & CONF_FLAGS_TEMPORARY) == 0)) | |
729 | { | |
730 | reason = aconf->passwd ? aconf->passwd : "<No Reason>"; | |
731 | ||
732 | sendto_one_notice(source_p, | |
733 | ":[%s@%s] already K-Lined by [%s@%s] - %s", | |
8bbeb278 | 734 | luser, lhost, aconf->user, aconf->host, reason); |
3c7d6fcc | 735 | return true; |
212380e3 AC |
736 | } |
737 | } | |
738 | ||
3c7d6fcc | 739 | return false; |
212380e3 AC |
740 | } |
741 | ||
742 | /* remove_permkline_match() | |
743 | * | |
744 | * hunts for a permanent kline, and removes it. | |
745 | */ | |
746 | static void | |
40a1d446 | 747 | remove_permkline_match(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 748 | { |
8bbeb278 | 749 | sendto_one_notice(source_p, ":K-Line for [%s@%s] is removed", aconf->user, aconf->host); |
212380e3 AC |
750 | |
751 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
752 | "%s has removed the K-Line for: [%s@%s]", |
753 | get_oper_name(source_p), aconf->user, aconf->host); | |
212380e3 | 754 | |
8bbeb278 | 755 | ilog(L_KLINE, "UK %s %s %s", get_oper_name(source_p), aconf->user, aconf->host); |
40a1d446 | 756 | |
54ac8b60 | 757 | remove_reject_mask(aconf->user, aconf->host); |
8bbeb278 | 758 | bandb_del(BANDB_KLINE, aconf->user, aconf->host); |
40a1d446 | 759 | delete_one_address_conf(aconf->host, aconf); |
212380e3 AC |
760 | } |
761 | ||
212380e3 AC |
762 | /* remove_temp_kline() |
763 | * | |
764 | * inputs - username, hostname to unkline | |
765 | * outputs - | |
766 | * side effects - tries to unkline anything that matches | |
767 | */ | |
3c7d6fcc | 768 | static bool |
d922dded | 769 | remove_temp_kline(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 770 | { |
5b96d9a6 | 771 | rb_dlink_node *ptr; |
212380e3 AC |
772 | int i; |
773 | ||
8bbeb278 | 774 | for(i = 0; i < LAST_TEMP_TYPE; i++) |
212380e3 | 775 | { |
5b96d9a6 | 776 | RB_DLINK_FOREACH(ptr, temp_klines[i].head) |
212380e3 | 777 | { |
8bbeb278 | 778 | if(aconf == ptr->data) |
212380e3 | 779 | { |
d922dded | 780 | sendto_one_notice(source_p, |
8bbeb278 AC |
781 | ":Un-klined [%s@%s] from temporary k-lines", |
782 | aconf->user, aconf->host); | |
d922dded | 783 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
8bbeb278 AC |
784 | "%s has removed the temporary K-Line for: [%s@%s]", |
785 | get_oper_name(source_p), aconf->user, | |
786 | aconf->host); | |
d922dded JT |
787 | |
788 | ilog(L_KLINE, "UK %s %s %s", | |
8bbeb278 | 789 | get_oper_name(source_p), aconf->user, aconf->host); |
555ac41f | 790 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
54ac8b60 | 791 | remove_reject_mask(aconf->user, aconf->host); |
40a1d446 | 792 | delete_one_address_conf(aconf->host, aconf); |
3c7d6fcc | 793 | return true; |
212380e3 | 794 | } |
212380e3 AC |
795 | } |
796 | } | |
797 | ||
3c7d6fcc | 798 | return false; |
212380e3 | 799 | } |
431a1a27 JT |
800 | |
801 | static void | |
802 | remove_prop_kline(struct Client *source_p, struct ConfItem *aconf) | |
803 | { | |
804 | rb_dlink_node *ptr; | |
483987a4 | 805 | time_t now; |
431a1a27 JT |
806 | |
807 | ptr = rb_dlinkFind(aconf, &prop_bans); | |
808 | if (!ptr) | |
809 | return; | |
810 | sendto_one_notice(source_p, | |
811 | ":Un-klined [%s@%s] from global k-lines", | |
812 | aconf->user, aconf->host); | |
813 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
814 | "%s has removed the global K-Line for: [%s@%s]", | |
815 | get_oper_name(source_p), aconf->user, | |
816 | aconf->host); | |
817 | ||
818 | ilog(L_KLINE, "UK %s %s %s", | |
819 | get_oper_name(source_p), aconf->user, aconf->host); | |
483987a4 JT |
820 | now = rb_current_time(); |
821 | if(aconf->created < now) | |
822 | aconf->created = now; | |
431a1a27 JT |
823 | else |
824 | aconf->created++; | |
cedb7d05 | 825 | aconf->hold = aconf->created; |
431a1a27 JT |
826 | operhash_delete(aconf->info.oper); |
827 | aconf->info.oper = operhash_add(get_oper_name(source_p)); | |
828 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; | |
829 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 830 | ":%s BAN K %s %s %lu %d %d * :*", |
431a1a27 JT |
831 | source_p->id, aconf->user, aconf->host, |
832 | (unsigned long)aconf->created, | |
833 | 0, | |
834 | (int)(aconf->lifetime - aconf->created)); | |
835 | remove_reject_mask(aconf->user, aconf->host); | |
483987a4 | 836 | deactivate_conf(aconf, ptr, now); |
431a1a27 | 837 | } |