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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 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 | 218 | |
b068a4b5 | 219 | check_one_kline(aconf); |
212380e3 AC |
220 | } |
221 | ||
222 | /* ms_kline() | |
223 | * | |
224 | * parv[1] - server targeted at | |
225 | * parv[2] - tkline time (0 if perm) | |
226 | * parv[3] - user | |
227 | * parv[4] - host | |
228 | * parv[5] - reason | |
229 | */ | |
3c7d6fcc | 230 | static void |
428ca87b | 231 | ms_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
232 | { |
233 | int tkline_time = atoi(parv[2]); | |
234 | ||
235 | /* 1.5-3 and earlier contains a bug that allows remote klines to be | |
236 | * sent with an empty reason field. This is a protocol violation, | |
237 | * but its not worth dropping the link over.. --anfl | |
238 | */ | |
239 | if(parc < 6 || EmptyString(parv[5])) | |
3c7d6fcc | 240 | return; |
212380e3 AC |
241 | |
242 | propagate_generic(source_p, "KLINE", parv[1], CAP_KLN, | |
8bbeb278 | 243 | "%d %s %s :%s", tkline_time, parv[3], parv[4], parv[5]); |
212380e3 AC |
244 | |
245 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 246 | return; |
212380e3 AC |
247 | |
248 | if(!IsPerson(source_p)) | |
3c7d6fcc | 249 | return; |
212380e3 AC |
250 | |
251 | handle_remote_kline(source_p, tkline_time, parv[3], parv[4], parv[5]); | |
212380e3 AC |
252 | } |
253 | ||
3c7d6fcc | 254 | static void |
428ca87b | 255 | me_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
256 | { |
257 | /* <tkline_time> <user> <host> :<reason> */ | |
258 | if(!IsPerson(source_p)) | |
3c7d6fcc | 259 | return; |
212380e3 AC |
260 | |
261 | handle_remote_kline(source_p, atoi(parv[1]), parv[2], parv[3], parv[4]); | |
212380e3 AC |
262 | } |
263 | ||
264 | static void | |
265 | handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 266 | const char *user, const char *host, const char *kreason) |
212380e3 | 267 | { |
212380e3 AC |
268 | char *reason = LOCAL_COPY(kreason); |
269 | struct ConfItem *aconf = NULL; | |
270 | char *oper_reason; | |
271 | ||
272 | if(!find_shared_conf(source_p->username, source_p->host, | |
8bbeb278 AC |
273 | source_p->servptr->name, |
274 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE)) | |
212380e3 AC |
275 | return; |
276 | ||
9319a2e2 | 277 | if(!valid_user_host(source_p, user, host)) |
212380e3 AC |
278 | return; |
279 | ||
5c2b9eaf JT |
280 | if(!valid_wild_card(user, host)) |
281 | { | |
282 | sendto_one_notice(source_p, | |
283 | ":Please include at least %d non-wildcard " | |
284 | "characters with the user@host", | |
285 | ConfigFileEntry.min_nonwildcard); | |
803ce385 | 286 | return; |
5c2b9eaf JT |
287 | } |
288 | ||
212380e3 AC |
289 | if(already_placed_kline(source_p, user, host, tkline_time)) |
290 | return; | |
291 | ||
292 | aconf = make_conf(); | |
293 | ||
294 | aconf->status = CONF_KILL; | |
b52c2949 | 295 | aconf->created = rb_current_time(); |
47a03750 VY |
296 | aconf->user = rb_strdup(user); |
297 | aconf->host = rb_strdup(host); | |
27f616dd | 298 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 299 | |
9319a2e2 KB |
300 | if(strlen(reason) > BANREASONLEN) |
301 | reason[BANREASONLEN] = '\0'; | |
302 | ||
212380e3 AC |
303 | /* Look for an oper reason */ |
304 | if((oper_reason = strchr(reason, '|')) != NULL) | |
305 | { | |
306 | *oper_reason = '\0'; | |
307 | oper_reason++; | |
308 | ||
309 | if(!EmptyString(oper_reason)) | |
47a03750 | 310 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 311 | } |
c935336b | 312 | aconf->passwd = rb_strdup(reason); |
212380e3 | 313 | |
212380e3 | 314 | if(tkline_time > 0) |
b52c2949 | 315 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 316 | else |
b52c2949 | 317 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 | 318 | |
b068a4b5 | 319 | check_one_kline(aconf); |
212380e3 AC |
320 | } |
321 | ||
322 | /* mo_unkline() | |
323 | * | |
324 | * parv[1] - kline to remove | |
325 | * parv[2] - optional "ON" | |
326 | * parv[3] - optional target server | |
327 | */ | |
3c7d6fcc | 328 | static void |
428ca87b | 329 | mo_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
330 | { |
331 | const char *user; | |
332 | char *host; | |
333 | char splat[] = "*"; | |
334 | char *h = LOCAL_COPY(parv[1]); | |
40a1d446 | 335 | struct ConfItem *aconf; |
f66f0baa | 336 | bool propagated = true; |
212380e3 AC |
337 | |
338 | if(!IsOperUnkline(source_p)) | |
339 | { | |
8bbeb278 | 340 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "unkline"); |
3c7d6fcc | 341 | return; |
212380e3 AC |
342 | } |
343 | ||
344 | if((host = strchr(h, '@')) || *h == '*' || strchr(h, '.') || strchr(h, ':')) | |
345 | { | |
346 | /* Explicit user@host mask given */ | |
347 | ||
348 | if(host) /* Found user@host */ | |
349 | { | |
350 | *host++ = '\0'; | |
351 | ||
352 | /* check for @host */ | |
353 | if(*h) | |
354 | user = h; | |
355 | else | |
356 | user = splat; | |
357 | ||
358 | /* check for user@ */ | |
359 | if(!*host) | |
360 | host = splat; | |
361 | } | |
362 | else | |
363 | { | |
364 | user = splat; /* no @ found, assume its *@somehost */ | |
365 | host = h; | |
366 | } | |
367 | } | |
368 | else | |
369 | { | |
5366977b | 370 | sendto_one_notice(source_p, ":Invalid parameters"); |
3c7d6fcc | 371 | return; |
212380e3 AC |
372 | } |
373 | ||
374 | /* possible remote kline.. */ | |
375 | if((parc > 3) && (irccmp(parv[2], "ON") == 0)) | |
376 | { | |
377 | if(!IsOperRemoteBan(source_p)) | |
378 | { | |
379 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 380 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 381 | return; |
212380e3 AC |
382 | } |
383 | ||
8bbeb278 | 384 | propagate_generic(source_p, "UNKLINE", parv[3], CAP_UNKLN, "%s %s", user, host); |
212380e3 AC |
385 | |
386 | if(match(parv[3], me.name) == 0) | |
3c7d6fcc | 387 | return; |
431a1a27 | 388 | |
f66f0baa | 389 | propagated = false; |
212380e3 | 390 | } |
431a1a27 JT |
391 | |
392 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); | |
393 | ||
394 | /* No clustering for removing a propagated kline */ | |
395 | if(propagated && (aconf == NULL || !aconf->lifetime) && | |
396 | rb_dlink_list_length(&cluster_conf_list) > 0) | |
212380e3 AC |
397 | cluster_generic(source_p, "UNKLINE", SHARED_UNKLINE, CAP_UNKLN, |
398 | "%s %s", user, host); | |
399 | ||
40a1d446 JT |
400 | if(aconf == NULL) |
401 | { | |
402 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
3c7d6fcc | 403 | return; |
40a1d446 | 404 | } |
55abcbb2 | 405 | |
431a1a27 JT |
406 | if(aconf->lifetime) |
407 | { | |
408 | if(propagated) | |
409 | remove_prop_kline(source_p, aconf); | |
410 | else | |
411 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
3c7d6fcc | 412 | return; |
431a1a27 | 413 | } |
40a1d446 | 414 | |
d922dded | 415 | if(remove_temp_kline(source_p, aconf)) |
3c7d6fcc | 416 | return; |
212380e3 | 417 | |
40a1d446 | 418 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
419 | } |
420 | ||
421 | /* ms_unkline() | |
422 | * | |
423 | * parv[1] - target server | |
424 | * parv[2] - user to unkline | |
425 | * parv[3] - host to unkline | |
426 | */ | |
3c7d6fcc | 427 | static void |
428ca87b | 428 | ms_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 | 429 | { |
8bbeb278 AC |
430 | /* parv[0] parv[1] parv[2] parv[3] |
431 | * oper target server user host */ | |
432 | propagate_generic(source_p, "UNKLINE", parv[1], CAP_UNKLN, "%s %s", parv[2], parv[3]); | |
212380e3 AC |
433 | |
434 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 435 | return; |
212380e3 AC |
436 | |
437 | if(!IsPerson(source_p)) | |
3c7d6fcc | 438 | return; |
212380e3 AC |
439 | |
440 | handle_remote_unkline(source_p, parv[2], parv[3]); | |
212380e3 AC |
441 | } |
442 | ||
3c7d6fcc | 443 | static void |
428ca87b | 444 | me_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
445 | { |
446 | /* user host */ | |
447 | if(!IsPerson(source_p)) | |
3c7d6fcc | 448 | return; |
212380e3 AC |
449 | |
450 | handle_remote_unkline(source_p, parv[1], parv[2]); | |
212380e3 AC |
451 | } |
452 | ||
453 | static void | |
454 | handle_remote_unkline(struct Client *source_p, const char *user, const char *host) | |
455 | { | |
40a1d446 JT |
456 | struct ConfItem *aconf; |
457 | ||
212380e3 | 458 | if(!find_shared_conf(source_p->username, source_p->host, |
8bbeb278 | 459 | source_p->servptr->name, SHARED_UNKLINE)) |
212380e3 AC |
460 | return; |
461 | ||
40a1d446 JT |
462 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); |
463 | if(aconf == NULL) | |
464 | { | |
465 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
466 | return; | |
467 | } | |
431a1a27 JT |
468 | if(aconf->lifetime) |
469 | { | |
470 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
471 | return; | |
472 | } | |
40a1d446 | 473 | |
d922dded | 474 | if(remove_temp_kline(source_p, aconf)) |
212380e3 | 475 | return; |
212380e3 | 476 | |
40a1d446 | 477 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
478 | } |
479 | ||
480 | /* apply_kline() | |
481 | * | |
55abcbb2 | 482 | * inputs - |
212380e3 AC |
483 | * output - NONE |
484 | * side effects - kline as given, is added to the hashtable | |
485 | * and conf file | |
486 | */ | |
487 | static void | |
488 | apply_kline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 489 | const char *reason, const char *oper_reason) |
212380e3 | 490 | { |
40c1fd47 | 491 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); |
8bbeb278 AC |
492 | bandb_add(BANDB_KLINE, source_p, aconf->user, aconf->host, |
493 | reason, EmptyString(oper_reason) ? NULL : oper_reason, 0); | |
9964e935 AC |
494 | |
495 | /* no oper reason.. */ | |
496 | if(EmptyString(oper_reason)) | |
497 | { | |
498 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
499 | "%s added K-Line for [%s@%s] [%s]", | |
500 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
501 | ilog(L_KLINE, "K %s 0 %s %s %s", | |
502 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
503 | } | |
504 | else | |
505 | { | |
506 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
507 | "%s added K-Line for [%s@%s] [%s|%s]", | |
508 | get_oper_name(source_p), aconf->user, aconf->host, | |
509 | reason, oper_reason); | |
510 | ilog(L_KLINE, "K %s 0 %s %s %s|%s", | |
511 | get_oper_name(source_p), aconf->user, aconf->host, reason, oper_reason); | |
512 | } | |
513 | ||
514 | sendto_one_notice(source_p, ":Added K-Line [%s@%s]", | |
515 | aconf->user, aconf->host); | |
212380e3 AC |
516 | } |
517 | ||
518 | /* apply_tkline() | |
519 | * | |
520 | * inputs - | |
521 | * output - NONE | |
522 | * side effects - tkline as given is placed | |
523 | */ | |
524 | static void | |
525 | apply_tkline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 526 | const char *reason, const char *oper_reason, int tkline_time) |
212380e3 | 527 | { |
e3354945 | 528 | aconf->hold = rb_current_time() + tkline_time; |
212380e3 AC |
529 | add_temp_kline(aconf); |
530 | ||
531 | /* no oper reason.. */ | |
532 | if(EmptyString(oper_reason)) | |
533 | { | |
534 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
535 | "%s added temporary %d min. K-Line for [%s@%s] [%s]", |
536 | get_oper_name(source_p), tkline_time / 60, | |
537 | aconf->user, aconf->host, reason); | |
212380e3 | 538 | ilog(L_KLINE, "K %s %d %s %s %s", |
8bbeb278 | 539 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); |
212380e3 AC |
540 | } |
541 | else | |
542 | { | |
543 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
544 | "%s added temporary %d min. K-Line for [%s@%s] [%s|%s]", |
545 | get_oper_name(source_p), tkline_time / 60, | |
546 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 | 547 | ilog(L_KLINE, "K %s %d %s %s %s|%s", |
8bbeb278 AC |
548 | get_oper_name(source_p), tkline_time / 60, |
549 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 AC |
550 | } |
551 | ||
552 | sendto_one_notice(source_p, ":Added temporary %d min. K-Line [%s@%s]", | |
553 | tkline_time / 60, aconf->user, aconf->host); | |
554 | } | |
555 | ||
431a1a27 JT |
556 | static void |
557 | apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, | |
558 | const char *reason, const char *oper_reason, int tkline_time) | |
559 | { | |
431a1a27 JT |
560 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; |
561 | aconf->hold = rb_current_time() + tkline_time; | |
562 | aconf->lifetime = aconf->hold; | |
563 | ||
3cbbfb25 | 564 | replace_old_ban(aconf); |
431a1a27 JT |
565 | |
566 | rb_dlinkAddAlloc(aconf, &prop_bans); | |
567 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); | |
568 | ||
569 | /* no oper reason.. */ | |
570 | if(EmptyString(oper_reason)) | |
571 | { | |
572 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
573 | "%s added global %d min. K-Line for [%s@%s] [%s]", | |
574 | get_oper_name(source_p), tkline_time / 60, | |
575 | aconf->user, aconf->host, reason); | |
576 | ilog(L_KLINE, "K %s %d %s %s %s", | |
577 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); | |
578 | } | |
579 | else | |
580 | { | |
581 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
582 | "%s added global %d min. K-Line for [%s@%s] [%s|%s]", | |
583 | get_oper_name(source_p), tkline_time / 60, | |
584 | aconf->user, aconf->host, reason, oper_reason); | |
585 | ilog(L_KLINE, "K %s %d %s %s %s|%s", | |
586 | get_oper_name(source_p), tkline_time / 60, | |
587 | aconf->user, aconf->host, reason, oper_reason); | |
588 | } | |
589 | ||
590 | sendto_one_notice(source_p, ":Added global %d min. K-Line [%s@%s]", | |
591 | tkline_time / 60, aconf->user, aconf->host); | |
592 | ||
593 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 594 | ":%s BAN K %s %s %lu %d %d * :%s%s%s", |
431a1a27 JT |
595 | source_p->id, aconf->user, aconf->host, |
596 | (unsigned long)aconf->created, | |
597 | (int)(aconf->hold - aconf->created), | |
598 | (int)(aconf->lifetime - aconf->created), | |
599 | reason, | |
600 | oper_reason ? "|" : "", | |
601 | oper_reason ? oper_reason : ""); | |
602 | } | |
603 | ||
212380e3 | 604 | /* find_user_host() |
55abcbb2 | 605 | * |
212380e3 | 606 | * inputs - client placing kline, user@host, user buffer, host buffer |
3c7d6fcc | 607 | * output - false if not ok to kline, true to kline i.e. if valid user host |
212380e3 AC |
608 | * side effects - |
609 | */ | |
3c7d6fcc | 610 | static bool |
212380e3 AC |
611 | find_user_host(struct Client *source_p, const char *userhost, char *luser, char *lhost) |
612 | { | |
613 | char *hostp; | |
614 | ||
615 | hostp = strchr(userhost, '@'); | |
8bbeb278 | 616 | |
212380e3 AC |
617 | if(hostp != NULL) /* I'm a little user@host */ |
618 | { | |
619 | *(hostp++) = '\0'; /* short and squat */ | |
620 | if(*userhost) | |
f427c8b0 | 621 | rb_strlcpy(luser, userhost, USERLEN + 1); /* here is my user */ |
212380e3 AC |
622 | else |
623 | strcpy(luser, "*"); | |
624 | if(*hostp) | |
f427c8b0 | 625 | rb_strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
212380e3 AC |
626 | else |
627 | strcpy(lhost, "*"); | |
8bbeb278 | 628 | } |
212380e3 AC |
629 | else |
630 | { | |
631 | /* no '@', no '.', so its not a user@host or host, therefore | |
632 | * its a nick, which support was removed for. | |
633 | */ | |
634 | if(strchr(userhost, '.') == NULL && strchr(userhost, ':') == NULL) | |
af0ba24b JT |
635 | { |
636 | sendto_one_notice(source_p, ":K-Line must be a user@host or host"); | |
3c7d6fcc | 637 | return false; |
af0ba24b | 638 | } |
212380e3 AC |
639 | |
640 | luser[0] = '*'; /* no @ found, assume its *@somehost */ | |
641 | luser[1] = '\0'; | |
f427c8b0 | 642 | rb_strlcpy(lhost, userhost, HOSTLEN + 1); |
212380e3 AC |
643 | } |
644 | ||
2b843a5b JT |
645 | /* would break the protocol */ |
646 | if (*luser == ':' || *lhost == ':') | |
647 | { | |
648 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 649 | return false; |
2b843a5b JT |
650 | } |
651 | ||
3c7d6fcc | 652 | return true; |
212380e3 AC |
653 | } |
654 | ||
655 | /* valid_user_host() | |
656 | * | |
657 | * inputs - user buffer, host buffer | |
3c7d6fcc | 658 | * output - false if invalid, true if valid |
212380e3 AC |
659 | * side effects - |
660 | */ | |
3c7d6fcc | 661 | static bool |
212380e3 AC |
662 | valid_user_host(struct Client *source_p, const char *luser, const char *lhost) |
663 | { | |
8bbeb278 AC |
664 | /* # is invalid, as are '!' (n!u@h kline) and '@' (u@@h kline) */ |
665 | if(strchr(lhost, '#') || strchr(luser, '#') || strchr(luser, '!') || strchr(lhost, '@')) | |
212380e3 AC |
666 | { |
667 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 668 | return false; |
212380e3 AC |
669 | } |
670 | ||
3c7d6fcc | 671 | return true; |
212380e3 AC |
672 | } |
673 | ||
212380e3 AC |
674 | /* already_placed_kline() |
675 | * | |
676 | * inputs - source to notify, user@host to check, tkline time | |
3c7d6fcc EM |
677 | * outputs - true if a perm kline or a tkline when a tkline is being |
678 | * set exists, else false | |
212380e3 AC |
679 | * side effects - notifies source_p kline exists |
680 | */ | |
681 | /* Note: This currently works if the new K-line is a special case of an | |
682 | * existing K-line, but not the other way round. To do that we would | |
683 | * have to walk the hash and check every existing K-line. -A1kmm. | |
684 | */ | |
3c7d6fcc | 685 | static bool |
212380e3 AC |
686 | already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int tkline) |
687 | { | |
7f27e316 | 688 | const char *reason, *p; |
e7046ee5 | 689 | struct rb_sockaddr_storage iphost, *piphost; |
212380e3 | 690 | struct ConfItem *aconf; |
8bbeb278 | 691 | int t, bits; |
7f27e316 JT |
692 | |
693 | aconf = find_exact_conf_by_address(lhost, CONF_KILL, luser); | |
8bbeb278 | 694 | if(aconf == NULL && ConfigFileEntry.non_redundant_klines) |
212380e3 | 695 | { |
7f27e316 | 696 | bits = 0; |
29c92cf9 | 697 | if((t = parse_netmask(lhost, &iphost, &bits)) != HM_HOST) |
212380e3 | 698 | { |
212380e3 AC |
699 | if(t == HM_IPV6) |
700 | t = AF_INET6; | |
701 | else | |
212380e3 | 702 | t = AF_INET; |
8bbeb278 | 703 | |
212380e3 AC |
704 | piphost = &iphost; |
705 | } | |
706 | else | |
707 | piphost = NULL; | |
708 | ||
8bbeb278 AC |
709 | aconf = find_conf_by_address(lhost, NULL, NULL, (struct sockaddr *) piphost, |
710 | CONF_KILL, t, luser, NULL); | |
711 | if(aconf != NULL) | |
212380e3 | 712 | { |
7f27e316 JT |
713 | /* The above was really a lookup of a single IP, |
714 | * so check if the new kline is wider than the | |
715 | * existing one. | |
716 | * -- jilles | |
717 | */ | |
718 | p = strchr(aconf->host, '/'); | |
8bbeb278 | 719 | if(bits > 0 && (p == NULL || bits < atoi(p + 1))) |
7f27e316 JT |
720 | aconf = NULL; |
721 | } | |
722 | } | |
8bbeb278 | 723 | if(aconf != NULL) |
7f27e316 JT |
724 | { |
725 | /* setting a tkline, or existing one is perm */ | |
726 | if(tkline || ((aconf->flags & CONF_FLAGS_TEMPORARY) == 0)) | |
727 | { | |
728 | reason = aconf->passwd ? aconf->passwd : "<No Reason>"; | |
729 | ||
730 | sendto_one_notice(source_p, | |
731 | ":[%s@%s] already K-Lined by [%s@%s] - %s", | |
8bbeb278 | 732 | luser, lhost, aconf->user, aconf->host, reason); |
3c7d6fcc | 733 | return true; |
212380e3 AC |
734 | } |
735 | } | |
736 | ||
3c7d6fcc | 737 | return false; |
212380e3 AC |
738 | } |
739 | ||
740 | /* remove_permkline_match() | |
741 | * | |
742 | * hunts for a permanent kline, and removes it. | |
743 | */ | |
744 | static void | |
40a1d446 | 745 | remove_permkline_match(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 746 | { |
8bbeb278 | 747 | sendto_one_notice(source_p, ":K-Line for [%s@%s] is removed", aconf->user, aconf->host); |
212380e3 AC |
748 | |
749 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
750 | "%s has removed the K-Line for: [%s@%s]", |
751 | get_oper_name(source_p), aconf->user, aconf->host); | |
212380e3 | 752 | |
8bbeb278 | 753 | ilog(L_KLINE, "UK %s %s %s", get_oper_name(source_p), aconf->user, aconf->host); |
40a1d446 | 754 | |
54ac8b60 | 755 | remove_reject_mask(aconf->user, aconf->host); |
8bbeb278 | 756 | bandb_del(BANDB_KLINE, aconf->user, aconf->host); |
40a1d446 | 757 | delete_one_address_conf(aconf->host, aconf); |
212380e3 AC |
758 | } |
759 | ||
212380e3 AC |
760 | /* remove_temp_kline() |
761 | * | |
762 | * inputs - username, hostname to unkline | |
763 | * outputs - | |
764 | * side effects - tries to unkline anything that matches | |
765 | */ | |
3c7d6fcc | 766 | static bool |
d922dded | 767 | remove_temp_kline(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 768 | { |
5b96d9a6 | 769 | rb_dlink_node *ptr; |
212380e3 AC |
770 | int i; |
771 | ||
8bbeb278 | 772 | for(i = 0; i < LAST_TEMP_TYPE; i++) |
212380e3 | 773 | { |
5b96d9a6 | 774 | RB_DLINK_FOREACH(ptr, temp_klines[i].head) |
212380e3 | 775 | { |
8bbeb278 | 776 | if(aconf == ptr->data) |
212380e3 | 777 | { |
d922dded | 778 | sendto_one_notice(source_p, |
8bbeb278 AC |
779 | ":Un-klined [%s@%s] from temporary k-lines", |
780 | aconf->user, aconf->host); | |
d922dded | 781 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
8bbeb278 AC |
782 | "%s has removed the temporary K-Line for: [%s@%s]", |
783 | get_oper_name(source_p), aconf->user, | |
784 | aconf->host); | |
d922dded JT |
785 | |
786 | ilog(L_KLINE, "UK %s %s %s", | |
8bbeb278 | 787 | get_oper_name(source_p), aconf->user, aconf->host); |
555ac41f | 788 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
54ac8b60 | 789 | remove_reject_mask(aconf->user, aconf->host); |
40a1d446 | 790 | delete_one_address_conf(aconf->host, aconf); |
3c7d6fcc | 791 | return true; |
212380e3 | 792 | } |
212380e3 AC |
793 | } |
794 | } | |
795 | ||
3c7d6fcc | 796 | return false; |
212380e3 | 797 | } |
431a1a27 JT |
798 | |
799 | static void | |
800 | remove_prop_kline(struct Client *source_p, struct ConfItem *aconf) | |
801 | { | |
802 | rb_dlink_node *ptr; | |
483987a4 | 803 | time_t now; |
431a1a27 JT |
804 | |
805 | ptr = rb_dlinkFind(aconf, &prop_bans); | |
806 | if (!ptr) | |
807 | return; | |
808 | sendto_one_notice(source_p, | |
809 | ":Un-klined [%s@%s] from global k-lines", | |
810 | aconf->user, aconf->host); | |
811 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
812 | "%s has removed the global K-Line for: [%s@%s]", | |
813 | get_oper_name(source_p), aconf->user, | |
814 | aconf->host); | |
815 | ||
816 | ilog(L_KLINE, "UK %s %s %s", | |
817 | get_oper_name(source_p), aconf->user, aconf->host); | |
483987a4 JT |
818 | now = rb_current_time(); |
819 | if(aconf->created < now) | |
820 | aconf->created = now; | |
431a1a27 JT |
821 | else |
822 | aconf->created++; | |
cedb7d05 | 823 | aconf->hold = aconf->created; |
431a1a27 JT |
824 | operhash_delete(aconf->info.oper); |
825 | aconf->info.oper = operhash_add(get_oper_name(source_p)); | |
826 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; | |
827 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 828 | ":%s BAN K %s %s %lu %d %d * :*", |
431a1a27 JT |
829 | source_p->id, aconf->user, aconf->host, |
830 | (unsigned long)aconf->created, | |
831 | 0, | |
832 | (int)(aconf->lifetime - aconf->created)); | |
833 | remove_reject_mask(aconf->user, aconf->host); | |
483987a4 | 834 | deactivate_conf(aconf, ptr, now); |
431a1a27 | 835 | } |