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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 | ||
156 | if(target_server != NULL) | |
157 | { | |
158 | propagate_generic(source_p, "KLINE", target_server, CAP_KLN, | |
8bbeb278 | 159 | "%d %s %s :%s", tkline_time, user, host, reason); |
212380e3 AC |
160 | |
161 | /* If we are sending it somewhere that doesnt include us, stop */ | |
162 | if(!match(target_server, me.name)) | |
3c7d6fcc | 163 | return; |
431a1a27 JT |
164 | |
165 | /* Set as local-only. */ | |
f66f0baa | 166 | propagated = false; |
212380e3 AC |
167 | } |
168 | /* if we have cluster servers, send it to them.. */ | |
431a1a27 | 169 | else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0) |
8bbeb278 | 170 | cluster_generic(source_p, "KLINE", |
212380e3 | 171 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE, CAP_KLN, |
8bbeb278 | 172 | "%lu %s %s :%s", tkline_time, user, host, reason); |
212380e3 | 173 | |
9319a2e2 | 174 | if(!valid_user_host(source_p, user, host)) |
3c7d6fcc | 175 | return; |
212380e3 | 176 | |
5c2b9eaf JT |
177 | if(!valid_wild_card(user, host)) |
178 | { | |
179 | sendto_one_notice(source_p, | |
180 | ":Please include at least %d non-wildcard " | |
181 | "characters with the user@host", | |
182 | ConfigFileEntry.min_nonwildcard); | |
3c7d6fcc | 183 | return; |
5c2b9eaf JT |
184 | } |
185 | ||
431a1a27 JT |
186 | if(propagated && tkline_time == 0) |
187 | { | |
188 | sendto_one_notice(source_p, ":Cannot set a permanent global ban"); | |
3c7d6fcc | 189 | return; |
431a1a27 JT |
190 | } |
191 | ||
212380e3 | 192 | if(already_placed_kline(source_p, user, host, tkline_time)) |
3c7d6fcc | 193 | return; |
212380e3 | 194 | |
7df5fcfb | 195 | rb_set_time(); |
212380e3 AC |
196 | aconf = make_conf(); |
197 | aconf->status = CONF_KILL; | |
b52c2949 | 198 | aconf->created = rb_current_time(); |
47a03750 VY |
199 | aconf->host = rb_strdup(host); |
200 | aconf->user = rb_strdup(user); | |
212380e3 | 201 | aconf->port = 0; |
27f616dd | 202 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 203 | |
9319a2e2 KB |
204 | if(strlen(reason) > BANREASONLEN) |
205 | reason[BANREASONLEN] = '\0'; | |
206 | ||
212380e3 AC |
207 | /* Look for an oper reason */ |
208 | if((oper_reason = strchr(reason, '|')) != NULL) | |
209 | { | |
210 | *oper_reason = '\0'; | |
211 | oper_reason++; | |
212 | ||
213 | if(!EmptyString(oper_reason)) | |
47a03750 | 214 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 215 | } |
c935336b | 216 | aconf->passwd = rb_strdup(reason); |
212380e3 | 217 | |
431a1a27 JT |
218 | if(propagated) |
219 | apply_prop_kline(source_p, aconf, reason, oper_reason, tkline_time); | |
220 | else if(tkline_time > 0) | |
b52c2949 | 221 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 222 | else |
b52c2949 | 223 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 | 224 | |
b068a4b5 | 225 | check_one_kline(aconf); |
212380e3 AC |
226 | } |
227 | ||
228 | /* ms_kline() | |
229 | * | |
230 | * parv[1] - server targeted at | |
231 | * parv[2] - tkline time (0 if perm) | |
232 | * parv[3] - user | |
233 | * parv[4] - host | |
234 | * parv[5] - reason | |
235 | */ | |
3c7d6fcc | 236 | static void |
428ca87b | 237 | ms_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
238 | { |
239 | int tkline_time = atoi(parv[2]); | |
240 | ||
241 | /* 1.5-3 and earlier contains a bug that allows remote klines to be | |
242 | * sent with an empty reason field. This is a protocol violation, | |
243 | * but its not worth dropping the link over.. --anfl | |
244 | */ | |
245 | if(parc < 6 || EmptyString(parv[5])) | |
3c7d6fcc | 246 | return; |
212380e3 AC |
247 | |
248 | propagate_generic(source_p, "KLINE", parv[1], CAP_KLN, | |
8bbeb278 | 249 | "%d %s %s :%s", tkline_time, parv[3], parv[4], parv[5]); |
212380e3 AC |
250 | |
251 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 252 | return; |
212380e3 AC |
253 | |
254 | if(!IsPerson(source_p)) | |
3c7d6fcc | 255 | return; |
212380e3 AC |
256 | |
257 | handle_remote_kline(source_p, tkline_time, parv[3], parv[4], parv[5]); | |
212380e3 AC |
258 | } |
259 | ||
3c7d6fcc | 260 | static void |
428ca87b | 261 | me_kline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
262 | { |
263 | /* <tkline_time> <user> <host> :<reason> */ | |
264 | if(!IsPerson(source_p)) | |
3c7d6fcc | 265 | return; |
212380e3 AC |
266 | |
267 | handle_remote_kline(source_p, atoi(parv[1]), parv[2], parv[3], parv[4]); | |
212380e3 AC |
268 | } |
269 | ||
270 | static void | |
271 | handle_remote_kline(struct Client *source_p, int tkline_time, | |
8bbeb278 | 272 | const char *user, const char *host, const char *kreason) |
212380e3 | 273 | { |
212380e3 AC |
274 | char *reason = LOCAL_COPY(kreason); |
275 | struct ConfItem *aconf = NULL; | |
276 | char *oper_reason; | |
277 | ||
278 | if(!find_shared_conf(source_p->username, source_p->host, | |
8bbeb278 AC |
279 | source_p->servptr->name, |
280 | (tkline_time > 0) ? SHARED_TKLINE : SHARED_PKLINE)) | |
212380e3 AC |
281 | return; |
282 | ||
9319a2e2 | 283 | if(!valid_user_host(source_p, user, host)) |
212380e3 AC |
284 | return; |
285 | ||
5c2b9eaf JT |
286 | if(!valid_wild_card(user, host)) |
287 | { | |
288 | sendto_one_notice(source_p, | |
289 | ":Please include at least %d non-wildcard " | |
290 | "characters with the user@host", | |
291 | ConfigFileEntry.min_nonwildcard); | |
803ce385 | 292 | return; |
5c2b9eaf JT |
293 | } |
294 | ||
212380e3 AC |
295 | if(already_placed_kline(source_p, user, host, tkline_time)) |
296 | return; | |
297 | ||
298 | aconf = make_conf(); | |
299 | ||
300 | aconf->status = CONF_KILL; | |
b52c2949 | 301 | aconf->created = rb_current_time(); |
47a03750 VY |
302 | aconf->user = rb_strdup(user); |
303 | aconf->host = rb_strdup(host); | |
27f616dd | 304 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
212380e3 | 305 | |
9319a2e2 KB |
306 | if(strlen(reason) > BANREASONLEN) |
307 | reason[BANREASONLEN] = '\0'; | |
308 | ||
212380e3 AC |
309 | /* Look for an oper reason */ |
310 | if((oper_reason = strchr(reason, '|')) != NULL) | |
311 | { | |
312 | *oper_reason = '\0'; | |
313 | oper_reason++; | |
314 | ||
315 | if(!EmptyString(oper_reason)) | |
47a03750 | 316 | aconf->spasswd = rb_strdup(oper_reason); |
212380e3 | 317 | } |
c935336b | 318 | aconf->passwd = rb_strdup(reason); |
212380e3 | 319 | |
212380e3 | 320 | if(tkline_time > 0) |
b52c2949 | 321 | apply_tkline(source_p, aconf, reason, oper_reason, tkline_time); |
212380e3 | 322 | else |
b52c2949 | 323 | apply_kline(source_p, aconf, reason, oper_reason); |
212380e3 | 324 | |
b068a4b5 | 325 | check_one_kline(aconf); |
212380e3 AC |
326 | } |
327 | ||
328 | /* mo_unkline() | |
329 | * | |
330 | * parv[1] - kline to remove | |
331 | * parv[2] - optional "ON" | |
332 | * parv[3] - optional target server | |
333 | */ | |
3c7d6fcc | 334 | static void |
428ca87b | 335 | mo_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
336 | { |
337 | const char *user; | |
338 | char *host; | |
339 | char splat[] = "*"; | |
340 | char *h = LOCAL_COPY(parv[1]); | |
40a1d446 | 341 | struct ConfItem *aconf; |
f66f0baa | 342 | bool propagated = true; |
212380e3 AC |
343 | |
344 | if(!IsOperUnkline(source_p)) | |
345 | { | |
8bbeb278 | 346 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "unkline"); |
3c7d6fcc | 347 | return; |
212380e3 AC |
348 | } |
349 | ||
350 | if((host = strchr(h, '@')) || *h == '*' || strchr(h, '.') || strchr(h, ':')) | |
351 | { | |
352 | /* Explicit user@host mask given */ | |
353 | ||
354 | if(host) /* Found user@host */ | |
355 | { | |
356 | *host++ = '\0'; | |
357 | ||
358 | /* check for @host */ | |
359 | if(*h) | |
360 | user = h; | |
361 | else | |
362 | user = splat; | |
363 | ||
364 | /* check for user@ */ | |
365 | if(!*host) | |
366 | host = splat; | |
367 | } | |
368 | else | |
369 | { | |
370 | user = splat; /* no @ found, assume its *@somehost */ | |
371 | host = h; | |
372 | } | |
373 | } | |
374 | else | |
375 | { | |
5366977b | 376 | sendto_one_notice(source_p, ":Invalid parameters"); |
3c7d6fcc | 377 | return; |
212380e3 AC |
378 | } |
379 | ||
380 | /* possible remote kline.. */ | |
381 | if((parc > 3) && (irccmp(parv[2], "ON") == 0)) | |
382 | { | |
383 | if(!IsOperRemoteBan(source_p)) | |
384 | { | |
385 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
8bbeb278 | 386 | me.name, source_p->name, "remoteban"); |
3c7d6fcc | 387 | return; |
212380e3 AC |
388 | } |
389 | ||
8bbeb278 | 390 | propagate_generic(source_p, "UNKLINE", parv[3], CAP_UNKLN, "%s %s", user, host); |
212380e3 AC |
391 | |
392 | if(match(parv[3], me.name) == 0) | |
3c7d6fcc | 393 | return; |
431a1a27 | 394 | |
f66f0baa | 395 | propagated = false; |
212380e3 | 396 | } |
431a1a27 JT |
397 | |
398 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); | |
399 | ||
400 | /* No clustering for removing a propagated kline */ | |
401 | if(propagated && (aconf == NULL || !aconf->lifetime) && | |
402 | rb_dlink_list_length(&cluster_conf_list) > 0) | |
212380e3 AC |
403 | cluster_generic(source_p, "UNKLINE", SHARED_UNKLINE, CAP_UNKLN, |
404 | "%s %s", user, host); | |
405 | ||
40a1d446 JT |
406 | if(aconf == NULL) |
407 | { | |
408 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
3c7d6fcc | 409 | return; |
40a1d446 | 410 | } |
55abcbb2 | 411 | |
431a1a27 JT |
412 | if(aconf->lifetime) |
413 | { | |
414 | if(propagated) | |
415 | remove_prop_kline(source_p, aconf); | |
416 | else | |
417 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
3c7d6fcc | 418 | return; |
431a1a27 | 419 | } |
40a1d446 | 420 | |
d922dded | 421 | if(remove_temp_kline(source_p, aconf)) |
3c7d6fcc | 422 | return; |
212380e3 | 423 | |
40a1d446 | 424 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
425 | } |
426 | ||
427 | /* ms_unkline() | |
428 | * | |
429 | * parv[1] - target server | |
430 | * parv[2] - user to unkline | |
431 | * parv[3] - host to unkline | |
432 | */ | |
3c7d6fcc | 433 | static void |
428ca87b | 434 | ms_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 | 435 | { |
8bbeb278 AC |
436 | /* parv[0] parv[1] parv[2] parv[3] |
437 | * oper target server user host */ | |
438 | propagate_generic(source_p, "UNKLINE", parv[1], CAP_UNKLN, "%s %s", parv[2], parv[3]); | |
212380e3 AC |
439 | |
440 | if(!match(parv[1], me.name)) | |
3c7d6fcc | 441 | return; |
212380e3 AC |
442 | |
443 | if(!IsPerson(source_p)) | |
3c7d6fcc | 444 | return; |
212380e3 AC |
445 | |
446 | handle_remote_unkline(source_p, parv[2], parv[3]); | |
212380e3 AC |
447 | } |
448 | ||
3c7d6fcc | 449 | static void |
428ca87b | 450 | me_unkline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
451 | { |
452 | /* user host */ | |
453 | if(!IsPerson(source_p)) | |
3c7d6fcc | 454 | return; |
212380e3 AC |
455 | |
456 | handle_remote_unkline(source_p, parv[1], parv[2]); | |
212380e3 AC |
457 | } |
458 | ||
459 | static void | |
460 | handle_remote_unkline(struct Client *source_p, const char *user, const char *host) | |
461 | { | |
40a1d446 JT |
462 | struct ConfItem *aconf; |
463 | ||
212380e3 | 464 | if(!find_shared_conf(source_p->username, source_p->host, |
8bbeb278 | 465 | source_p->servptr->name, SHARED_UNKLINE)) |
212380e3 AC |
466 | return; |
467 | ||
40a1d446 JT |
468 | aconf = find_exact_conf_by_address(host, CONF_KILL, user); |
469 | if(aconf == NULL) | |
470 | { | |
471 | sendto_one_notice(source_p, ":No K-Line for %s@%s", user, host); | |
472 | return; | |
473 | } | |
431a1a27 JT |
474 | if(aconf->lifetime) |
475 | { | |
476 | sendto_one_notice(source_p, ":Cannot remove global K-Line %s@%s on specific servers", user, host); | |
477 | return; | |
478 | } | |
40a1d446 | 479 | |
d922dded | 480 | if(remove_temp_kline(source_p, aconf)) |
212380e3 | 481 | return; |
212380e3 | 482 | |
40a1d446 | 483 | remove_permkline_match(source_p, aconf); |
212380e3 AC |
484 | } |
485 | ||
486 | /* apply_kline() | |
487 | * | |
55abcbb2 | 488 | * inputs - |
212380e3 AC |
489 | * output - NONE |
490 | * side effects - kline as given, is added to the hashtable | |
491 | * and conf file | |
492 | */ | |
493 | static void | |
494 | apply_kline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 495 | const char *reason, const char *oper_reason) |
212380e3 | 496 | { |
40c1fd47 | 497 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); |
8bbeb278 AC |
498 | bandb_add(BANDB_KLINE, source_p, aconf->user, aconf->host, |
499 | reason, EmptyString(oper_reason) ? NULL : oper_reason, 0); | |
9964e935 AC |
500 | |
501 | /* no oper reason.. */ | |
502 | if(EmptyString(oper_reason)) | |
503 | { | |
504 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
505 | "%s added K-Line for [%s@%s] [%s]", | |
506 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
507 | ilog(L_KLINE, "K %s 0 %s %s %s", | |
508 | get_oper_name(source_p), aconf->user, aconf->host, reason); | |
509 | } | |
510 | else | |
511 | { | |
512 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
513 | "%s added K-Line for [%s@%s] [%s|%s]", | |
514 | get_oper_name(source_p), aconf->user, aconf->host, | |
515 | reason, oper_reason); | |
516 | ilog(L_KLINE, "K %s 0 %s %s %s|%s", | |
517 | get_oper_name(source_p), aconf->user, aconf->host, reason, oper_reason); | |
518 | } | |
519 | ||
520 | sendto_one_notice(source_p, ":Added K-Line [%s@%s]", | |
521 | aconf->user, aconf->host); | |
212380e3 AC |
522 | } |
523 | ||
524 | /* apply_tkline() | |
525 | * | |
526 | * inputs - | |
527 | * output - NONE | |
528 | * side effects - tkline as given is placed | |
529 | */ | |
530 | static void | |
531 | apply_tkline(struct Client *source_p, struct ConfItem *aconf, | |
b52c2949 | 532 | const char *reason, const char *oper_reason, int tkline_time) |
212380e3 | 533 | { |
e3354945 | 534 | aconf->hold = rb_current_time() + tkline_time; |
212380e3 AC |
535 | add_temp_kline(aconf); |
536 | ||
537 | /* no oper reason.. */ | |
538 | if(EmptyString(oper_reason)) | |
539 | { | |
540 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
541 | "%s added temporary %d min. K-Line for [%s@%s] [%s]", |
542 | get_oper_name(source_p), tkline_time / 60, | |
543 | aconf->user, aconf->host, reason); | |
212380e3 | 544 | ilog(L_KLINE, "K %s %d %s %s %s", |
8bbeb278 | 545 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); |
212380e3 AC |
546 | } |
547 | else | |
548 | { | |
549 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
550 | "%s added temporary %d min. K-Line for [%s@%s] [%s|%s]", |
551 | get_oper_name(source_p), tkline_time / 60, | |
552 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 | 553 | ilog(L_KLINE, "K %s %d %s %s %s|%s", |
8bbeb278 AC |
554 | get_oper_name(source_p), tkline_time / 60, |
555 | aconf->user, aconf->host, reason, oper_reason); | |
212380e3 AC |
556 | } |
557 | ||
558 | sendto_one_notice(source_p, ":Added temporary %d min. K-Line [%s@%s]", | |
559 | tkline_time / 60, aconf->user, aconf->host); | |
560 | } | |
561 | ||
431a1a27 JT |
562 | static void |
563 | apply_prop_kline(struct Client *source_p, struct ConfItem *aconf, | |
564 | const char *reason, const char *oper_reason, int tkline_time) | |
565 | { | |
431a1a27 JT |
566 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; |
567 | aconf->hold = rb_current_time() + tkline_time; | |
568 | aconf->lifetime = aconf->hold; | |
569 | ||
3cbbfb25 | 570 | replace_old_ban(aconf); |
431a1a27 JT |
571 | |
572 | rb_dlinkAddAlloc(aconf, &prop_bans); | |
573 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf); | |
574 | ||
575 | /* no oper reason.. */ | |
576 | if(EmptyString(oper_reason)) | |
577 | { | |
578 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
579 | "%s added global %d min. K-Line for [%s@%s] [%s]", | |
580 | get_oper_name(source_p), tkline_time / 60, | |
581 | aconf->user, aconf->host, reason); | |
582 | ilog(L_KLINE, "K %s %d %s %s %s", | |
583 | get_oper_name(source_p), tkline_time / 60, aconf->user, aconf->host, reason); | |
584 | } | |
585 | else | |
586 | { | |
587 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
588 | "%s added global %d min. K-Line for [%s@%s] [%s|%s]", | |
589 | get_oper_name(source_p), tkline_time / 60, | |
590 | aconf->user, aconf->host, reason, oper_reason); | |
591 | ilog(L_KLINE, "K %s %d %s %s %s|%s", | |
592 | get_oper_name(source_p), tkline_time / 60, | |
593 | aconf->user, aconf->host, reason, oper_reason); | |
594 | } | |
595 | ||
596 | sendto_one_notice(source_p, ":Added global %d min. K-Line [%s@%s]", | |
597 | tkline_time / 60, aconf->user, aconf->host); | |
598 | ||
599 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 600 | ":%s BAN K %s %s %lu %d %d * :%s%s%s", |
431a1a27 JT |
601 | source_p->id, aconf->user, aconf->host, |
602 | (unsigned long)aconf->created, | |
603 | (int)(aconf->hold - aconf->created), | |
604 | (int)(aconf->lifetime - aconf->created), | |
605 | reason, | |
606 | oper_reason ? "|" : "", | |
607 | oper_reason ? oper_reason : ""); | |
608 | } | |
609 | ||
212380e3 | 610 | /* find_user_host() |
55abcbb2 | 611 | * |
212380e3 | 612 | * inputs - client placing kline, user@host, user buffer, host buffer |
3c7d6fcc | 613 | * output - false if not ok to kline, true to kline i.e. if valid user host |
212380e3 AC |
614 | * side effects - |
615 | */ | |
3c7d6fcc | 616 | static bool |
212380e3 AC |
617 | find_user_host(struct Client *source_p, const char *userhost, char *luser, char *lhost) |
618 | { | |
619 | char *hostp; | |
620 | ||
621 | hostp = strchr(userhost, '@'); | |
8bbeb278 | 622 | |
212380e3 AC |
623 | if(hostp != NULL) /* I'm a little user@host */ |
624 | { | |
625 | *(hostp++) = '\0'; /* short and squat */ | |
626 | if(*userhost) | |
f427c8b0 | 627 | rb_strlcpy(luser, userhost, USERLEN + 1); /* here is my user */ |
212380e3 AC |
628 | else |
629 | strcpy(luser, "*"); | |
630 | if(*hostp) | |
f427c8b0 | 631 | rb_strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
212380e3 AC |
632 | else |
633 | strcpy(lhost, "*"); | |
8bbeb278 | 634 | } |
212380e3 AC |
635 | else |
636 | { | |
637 | /* no '@', no '.', so its not a user@host or host, therefore | |
638 | * its a nick, which support was removed for. | |
639 | */ | |
640 | if(strchr(userhost, '.') == NULL && strchr(userhost, ':') == NULL) | |
af0ba24b JT |
641 | { |
642 | sendto_one_notice(source_p, ":K-Line must be a user@host or host"); | |
3c7d6fcc | 643 | return false; |
af0ba24b | 644 | } |
212380e3 AC |
645 | |
646 | luser[0] = '*'; /* no @ found, assume its *@somehost */ | |
647 | luser[1] = '\0'; | |
f427c8b0 | 648 | rb_strlcpy(lhost, userhost, HOSTLEN + 1); |
212380e3 AC |
649 | } |
650 | ||
2b843a5b JT |
651 | /* would break the protocol */ |
652 | if (*luser == ':' || *lhost == ':') | |
653 | { | |
654 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 655 | return false; |
2b843a5b JT |
656 | } |
657 | ||
3c7d6fcc | 658 | return true; |
212380e3 AC |
659 | } |
660 | ||
661 | /* valid_user_host() | |
662 | * | |
663 | * inputs - user buffer, host buffer | |
3c7d6fcc | 664 | * output - false if invalid, true if valid |
212380e3 AC |
665 | * side effects - |
666 | */ | |
3c7d6fcc | 667 | static bool |
212380e3 AC |
668 | valid_user_host(struct Client *source_p, const char *luser, const char *lhost) |
669 | { | |
8bbeb278 AC |
670 | /* # is invalid, as are '!' (n!u@h kline) and '@' (u@@h kline) */ |
671 | if(strchr(lhost, '#') || strchr(luser, '#') || strchr(luser, '!') || strchr(lhost, '@')) | |
212380e3 AC |
672 | { |
673 | sendto_one_notice(source_p, ":Invalid K-Line"); | |
3c7d6fcc | 674 | return false; |
212380e3 AC |
675 | } |
676 | ||
3c7d6fcc | 677 | return true; |
212380e3 AC |
678 | } |
679 | ||
212380e3 AC |
680 | /* already_placed_kline() |
681 | * | |
682 | * inputs - source to notify, user@host to check, tkline time | |
3c7d6fcc EM |
683 | * outputs - true if a perm kline or a tkline when a tkline is being |
684 | * set exists, else false | |
212380e3 AC |
685 | * side effects - notifies source_p kline exists |
686 | */ | |
687 | /* Note: This currently works if the new K-line is a special case of an | |
688 | * existing K-line, but not the other way round. To do that we would | |
689 | * have to walk the hash and check every existing K-line. -A1kmm. | |
690 | */ | |
3c7d6fcc | 691 | static bool |
212380e3 AC |
692 | already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int tkline) |
693 | { | |
7f27e316 | 694 | const char *reason, *p; |
e7046ee5 | 695 | struct rb_sockaddr_storage iphost, *piphost; |
212380e3 | 696 | struct ConfItem *aconf; |
8bbeb278 | 697 | int t, bits; |
7f27e316 JT |
698 | |
699 | aconf = find_exact_conf_by_address(lhost, CONF_KILL, luser); | |
8bbeb278 | 700 | if(aconf == NULL && ConfigFileEntry.non_redundant_klines) |
212380e3 | 701 | { |
7f27e316 | 702 | bits = 0; |
29c92cf9 | 703 | if((t = parse_netmask(lhost, &iphost, &bits)) != HM_HOST) |
212380e3 | 704 | { |
212380e3 AC |
705 | if(t == HM_IPV6) |
706 | t = AF_INET6; | |
707 | else | |
212380e3 | 708 | t = AF_INET; |
8bbeb278 | 709 | |
212380e3 AC |
710 | piphost = &iphost; |
711 | } | |
712 | else | |
713 | piphost = NULL; | |
714 | ||
8bbeb278 AC |
715 | aconf = find_conf_by_address(lhost, NULL, NULL, (struct sockaddr *) piphost, |
716 | CONF_KILL, t, luser, NULL); | |
717 | if(aconf != NULL) | |
212380e3 | 718 | { |
7f27e316 JT |
719 | /* The above was really a lookup of a single IP, |
720 | * so check if the new kline is wider than the | |
721 | * existing one. | |
722 | * -- jilles | |
723 | */ | |
724 | p = strchr(aconf->host, '/'); | |
8bbeb278 | 725 | if(bits > 0 && (p == NULL || bits < atoi(p + 1))) |
7f27e316 JT |
726 | aconf = NULL; |
727 | } | |
728 | } | |
8bbeb278 | 729 | if(aconf != NULL) |
7f27e316 JT |
730 | { |
731 | /* setting a tkline, or existing one is perm */ | |
732 | if(tkline || ((aconf->flags & CONF_FLAGS_TEMPORARY) == 0)) | |
733 | { | |
734 | reason = aconf->passwd ? aconf->passwd : "<No Reason>"; | |
735 | ||
736 | sendto_one_notice(source_p, | |
737 | ":[%s@%s] already K-Lined by [%s@%s] - %s", | |
8bbeb278 | 738 | luser, lhost, aconf->user, aconf->host, reason); |
3c7d6fcc | 739 | return true; |
212380e3 AC |
740 | } |
741 | } | |
742 | ||
3c7d6fcc | 743 | return false; |
212380e3 AC |
744 | } |
745 | ||
746 | /* remove_permkline_match() | |
747 | * | |
748 | * hunts for a permanent kline, and removes it. | |
749 | */ | |
750 | static void | |
40a1d446 | 751 | remove_permkline_match(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 752 | { |
8bbeb278 | 753 | sendto_one_notice(source_p, ":K-Line for [%s@%s] is removed", aconf->user, aconf->host); |
212380e3 AC |
754 | |
755 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8bbeb278 AC |
756 | "%s has removed the K-Line for: [%s@%s]", |
757 | get_oper_name(source_p), aconf->user, aconf->host); | |
212380e3 | 758 | |
8bbeb278 | 759 | ilog(L_KLINE, "UK %s %s %s", get_oper_name(source_p), aconf->user, aconf->host); |
40a1d446 | 760 | |
54ac8b60 | 761 | remove_reject_mask(aconf->user, aconf->host); |
8bbeb278 | 762 | bandb_del(BANDB_KLINE, aconf->user, aconf->host); |
40a1d446 | 763 | delete_one_address_conf(aconf->host, aconf); |
212380e3 AC |
764 | } |
765 | ||
212380e3 AC |
766 | /* remove_temp_kline() |
767 | * | |
768 | * inputs - username, hostname to unkline | |
769 | * outputs - | |
770 | * side effects - tries to unkline anything that matches | |
771 | */ | |
3c7d6fcc | 772 | static bool |
d922dded | 773 | remove_temp_kline(struct Client *source_p, struct ConfItem *aconf) |
212380e3 | 774 | { |
5b96d9a6 | 775 | rb_dlink_node *ptr; |
212380e3 AC |
776 | int i; |
777 | ||
8bbeb278 | 778 | for(i = 0; i < LAST_TEMP_TYPE; i++) |
212380e3 | 779 | { |
5b96d9a6 | 780 | RB_DLINK_FOREACH(ptr, temp_klines[i].head) |
212380e3 | 781 | { |
8bbeb278 | 782 | if(aconf == ptr->data) |
212380e3 | 783 | { |
d922dded | 784 | sendto_one_notice(source_p, |
8bbeb278 AC |
785 | ":Un-klined [%s@%s] from temporary k-lines", |
786 | aconf->user, aconf->host); | |
d922dded | 787 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
8bbeb278 AC |
788 | "%s has removed the temporary K-Line for: [%s@%s]", |
789 | get_oper_name(source_p), aconf->user, | |
790 | aconf->host); | |
d922dded JT |
791 | |
792 | ilog(L_KLINE, "UK %s %s %s", | |
8bbeb278 | 793 | get_oper_name(source_p), aconf->user, aconf->host); |
555ac41f | 794 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
54ac8b60 | 795 | remove_reject_mask(aconf->user, aconf->host); |
40a1d446 | 796 | delete_one_address_conf(aconf->host, aconf); |
3c7d6fcc | 797 | return true; |
212380e3 | 798 | } |
212380e3 AC |
799 | } |
800 | } | |
801 | ||
3c7d6fcc | 802 | return false; |
212380e3 | 803 | } |
431a1a27 JT |
804 | |
805 | static void | |
806 | remove_prop_kline(struct Client *source_p, struct ConfItem *aconf) | |
807 | { | |
808 | rb_dlink_node *ptr; | |
483987a4 | 809 | time_t now; |
431a1a27 JT |
810 | |
811 | ptr = rb_dlinkFind(aconf, &prop_bans); | |
812 | if (!ptr) | |
813 | return; | |
814 | sendto_one_notice(source_p, | |
815 | ":Un-klined [%s@%s] from global k-lines", | |
816 | aconf->user, aconf->host); | |
817 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
818 | "%s has removed the global K-Line for: [%s@%s]", | |
819 | get_oper_name(source_p), aconf->user, | |
820 | aconf->host); | |
821 | ||
822 | ilog(L_KLINE, "UK %s %s %s", | |
823 | get_oper_name(source_p), aconf->user, aconf->host); | |
483987a4 JT |
824 | now = rb_current_time(); |
825 | if(aconf->created < now) | |
826 | aconf->created = now; | |
431a1a27 JT |
827 | else |
828 | aconf->created++; | |
cedb7d05 | 829 | aconf->hold = aconf->created; |
431a1a27 JT |
830 | operhash_delete(aconf->info.oper); |
831 | aconf->info.oper = operhash_add(get_oper_name(source_p)); | |
832 | aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; | |
833 | sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, | |
cedb7d05 | 834 | ":%s BAN K %s %s %lu %d %d * :*", |
431a1a27 JT |
835 | source_p->id, aconf->user, aconf->host, |
836 | (unsigned long)aconf->created, | |
837 | 0, | |
838 | (int)(aconf->lifetime - aconf->created)); | |
839 | remove_reject_mask(aconf->user, aconf->host); | |
483987a4 | 840 | deactivate_conf(aconf, ptr, now); |
431a1a27 | 841 | } |