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212380e3 | 1 | /* modules/m_xline.c |
2 | * | |
3 | * Copyright (C) 2002-2003 Lee Hardy <lee@leeh.co.uk> | |
4 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are | |
8 | * met: | |
9 | * | |
10 | * 1.Redistributions of source code must retain the above copyright notice, | |
11 | * this list of conditions and the following disclaimer. | |
12 | * 2.Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * 3.The name of the author may not be used to endorse or promote products | |
16 | * derived from this software without specific prior written permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
27 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
28 | * POSSIBILITY OF SUCH DAMAGE. | |
29 | * | |
d8a4c5f6 | 30 | * $Id$ |
212380e3 | 31 | */ |
32 | ||
33 | #include "stdinc.h" | |
212380e3 | 34 | #include "send.h" |
35 | #include "channel.h" | |
36 | #include "client.h" | |
37 | #include "common.h" | |
38 | #include "config.h" | |
39 | #include "class.h" | |
40 | #include "ircd.h" | |
41 | #include "numeric.h" | |
d3455e2c | 42 | #include "logger.h" |
212380e3 | 43 | #include "s_serv.h" |
44 | #include "whowas.h" | |
13ae2f4b | 45 | #include "match.h" |
212380e3 | 46 | #include "hash.h" |
47 | #include "msg.h" | |
48 | #include "parse.h" | |
49 | #include "modules.h" | |
50 | #include "s_conf.h" | |
51 | #include "s_newconf.h" | |
35f6f850 | 52 | #include "reject.h" |
d8a4c5f6 | 53 | #include "bandbi.h" |
a0f4c418 | 54 | #include "operhash.h" |
212380e3 | 55 | |
56 | static int mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
57 | static int ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
58 | static int me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
d8a4c5f6 WP |
59 | static int mo_unxline(struct Client *client_p, struct Client *source_p, int parc, |
60 | const char *parv[]); | |
61 | static int ms_unxline(struct Client *client_p, struct Client *source_p, int parc, | |
62 | const char *parv[]); | |
63 | static int me_unxline(struct Client *client_p, struct Client *source_p, int parc, | |
64 | const char *parv[]); | |
212380e3 | 65 | |
66 | struct Message xline_msgtab = { | |
67 | "XLINE", 0, 0, 0, MFLG_SLOW, | |
68 | {mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}} | |
69 | }; | |
d8a4c5f6 | 70 | |
212380e3 | 71 | struct Message unxline_msgtab = { |
72 | "UNXLINE", 0, 0, 0, MFLG_SLOW, | |
73 | {mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}} | |
74 | }; | |
75 | ||
d8a4c5f6 WP |
76 | mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL }; |
77 | ||
78 | DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision$"); | |
212380e3 | 79 | |
d8a4c5f6 WP |
80 | static int valid_xline(struct Client *, const char *, const char *); |
81 | static void apply_xline(struct Client *client_p, const char *name, | |
212380e3 | 82 | const char *reason, int temp_time); |
212380e3 | 83 | static void propagate_xline(struct Client *source_p, const char *target, |
d8a4c5f6 | 84 | int temp_time, const char *name, const char *type, const char *reason); |
212380e3 | 85 | static void cluster_xline(struct Client *source_p, int temp_time, |
d8a4c5f6 | 86 | const char *name, const char *reason); |
212380e3 | 87 | |
88 | static void handle_remote_xline(struct Client *source_p, int temp_time, | |
89 | const char *name, const char *reason); | |
90 | static void handle_remote_unxline(struct Client *source_p, const char *name); | |
91 | ||
60c96e64 | 92 | static void remove_xline(struct Client *source_p, const char *name); |
212380e3 | 93 | |
94 | ||
95 | /* m_xline() | |
96 | * | |
97 | * parv[1] - thing to xline | |
98 | * parv[2] - optional type/reason | |
99 | * parv[3] - reason | |
100 | */ | |
101 | static int | |
102 | mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
103 | { | |
104 | struct ConfItem *aconf; | |
105 | const char *name; | |
106 | const char *reason; | |
107 | const char *target_server = NULL; | |
108 | int temp_time; | |
109 | int loc = 1; | |
110 | ||
111 | if(!IsOperXline(source_p)) | |
112 | { | |
d8a4c5f6 | 113 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline"); |
212380e3 | 114 | return 0; |
115 | } | |
116 | ||
117 | if((temp_time = valid_temp_time(parv[loc])) >= 0) | |
118 | loc++; | |
119 | /* we just set temp_time to -1! */ | |
120 | else | |
121 | temp_time = 0; | |
122 | ||
123 | name = parv[loc]; | |
124 | loc++; | |
125 | ||
126 | /* XLINE <gecos> ON <server> :<reason> */ | |
d8a4c5f6 | 127 | if(parc >= loc + 2 && !irccmp(parv[loc], "ON")) |
212380e3 | 128 | { |
129 | if(!IsOperRemoteBan(source_p)) | |
130 | { | |
131 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
d8a4c5f6 | 132 | me.name, source_p->name, "remoteban"); |
212380e3 | 133 | return 0; |
134 | } | |
135 | ||
d8a4c5f6 | 136 | target_server = parv[loc + 1]; |
212380e3 | 137 | loc += 2; |
138 | } | |
139 | ||
140 | if(parc <= loc || EmptyString(parv[loc])) | |
141 | { | |
142 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
d8a4c5f6 | 143 | me.name, source_p->name, "XLINE"); |
212380e3 | 144 | return 0; |
145 | } | |
146 | ||
147 | reason = parv[loc]; | |
148 | ||
149 | if(target_server != NULL) | |
150 | { | |
d8a4c5f6 | 151 | propagate_xline(source_p, target_server, temp_time, name, "2", reason); |
212380e3 | 152 | |
153 | if(!match(target_server, me.name)) | |
154 | return 0; | |
155 | } | |
08d11e34 | 156 | else if(rb_dlink_list_length(&cluster_conf_list) > 0) |
d8a4c5f6 | 157 | cluster_xline(source_p, temp_time, name, reason); |
212380e3 | 158 | |
d8a4c5f6 | 159 | if((aconf = find_xline_mask(name)) != NULL) |
212380e3 | 160 | { |
161 | sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", | |
ff0482a9 | 162 | me.name, source_p->name, name, aconf->host, aconf->passwd); |
212380e3 | 163 | return 0; |
164 | } | |
165 | ||
d8a4c5f6 | 166 | if(!valid_xline(source_p, name, reason)) |
212380e3 | 167 | return 0; |
168 | ||
d8a4c5f6 | 169 | apply_xline(source_p, name, reason, temp_time); |
212380e3 | 170 | |
171 | return 0; | |
172 | } | |
173 | ||
174 | /* ms_xline() | |
175 | * | |
176 | * handles a remote xline | |
177 | */ | |
178 | static int | |
179 | ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
180 | { | |
d8a4c5f6 WP |
181 | /* parv[0] parv[1] parv[2] parv[3] parv[4] |
182 | * oper target serv xline type reason | |
212380e3 | 183 | */ |
184 | propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]); | |
185 | ||
186 | if(!IsPerson(source_p)) | |
187 | return 0; | |
188 | ||
189 | /* destined for me? */ | |
190 | if(!match(parv[1], me.name)) | |
191 | return 0; | |
192 | ||
193 | handle_remote_xline(source_p, 0, parv[2], parv[4]); | |
194 | return 0; | |
195 | } | |
196 | ||
197 | static int | |
198 | me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
199 | { | |
200 | /* time name type :reason */ | |
201 | if(!IsPerson(source_p)) | |
202 | return 0; | |
203 | ||
204 | handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]); | |
205 | return 0; | |
206 | } | |
207 | ||
208 | static void | |
d8a4c5f6 | 209 | handle_remote_xline(struct Client *source_p, int temp_time, const char *name, const char *reason) |
212380e3 | 210 | { |
211 | struct ConfItem *aconf; | |
212 | ||
213 | if(!find_shared_conf(source_p->username, source_p->host, | |
d8a4c5f6 WP |
214 | source_p->servptr->name, |
215 | (temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE)) | |
212380e3 | 216 | return; |
217 | ||
d8a4c5f6 | 218 | if(!valid_xline(source_p, name, reason)) |
212380e3 | 219 | return; |
220 | ||
221 | /* already xlined */ | |
0fdb2570 | 222 | if((aconf = find_xline_mask(name)) != NULL) |
212380e3 | 223 | { |
ff0482a9 | 224 | sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host, |
d8a4c5f6 | 225 | aconf->passwd); |
212380e3 | 226 | return; |
227 | } | |
228 | ||
229 | apply_xline(source_p, name, reason, temp_time); | |
230 | } | |
231 | ||
232 | /* valid_xline() | |
233 | * | |
d8a4c5f6 | 234 | * inputs - client xlining, gecos, reason and whether to warn |
212380e3 | 235 | * outputs - |
236 | * side effects - checks the xline for validity, erroring if needed | |
237 | */ | |
238 | static int | |
d8a4c5f6 | 239 | valid_xline(struct Client *source_p, const char *gecos, const char *reason) |
212380e3 | 240 | { |
241 | if(EmptyString(reason)) | |
242 | { | |
243 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
d8a4c5f6 | 244 | get_id(&me, source_p), get_id(source_p, source_p), "XLINE"); |
b6c85cc6 JT |
245 | return 0; |
246 | } | |
247 | ||
212380e3 | 248 | if(strchr(reason, ':') != NULL) |
249 | { | |
d8a4c5f6 | 250 | sendto_one_notice(source_p, ":Invalid character ':' in comment"); |
212380e3 | 251 | return 0; |
252 | } | |
253 | ||
254 | if(strchr(reason, '"')) | |
255 | { | |
d8a4c5f6 | 256 | sendto_one_notice(source_p, ":Invalid character '\"' in comment"); |
212380e3 | 257 | return 0; |
258 | } | |
259 | ||
260 | if(!valid_wild_card_simple(gecos)) | |
261 | { | |
262 | sendto_one_notice(source_p, | |
263 | ":Please include at least %d non-wildcard " | |
264 | "characters with the xline", | |
265 | ConfigFileEntry.min_nonwildcard_simple); | |
266 | return 0; | |
267 | } | |
268 | ||
269 | return 1; | |
270 | } | |
271 | ||
272 | void | |
d8a4c5f6 | 273 | apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time) |
212380e3 | 274 | { |
275 | struct ConfItem *aconf; | |
276 | ||
277 | aconf = make_conf(); | |
278 | aconf->status = CONF_XLINE; | |
ce60772d | 279 | aconf->created = rb_current_time(); |
c2e61538 | 280 | aconf->host = rb_strdup(name); |
d8a4c5f6 | 281 | aconf->passwd = rb_strdup(reason); |
ff0482a9 | 282 | collapse(aconf->host); |
212380e3 | 283 | |
a0f4c418 JT |
284 | aconf->info.oper = operhash_add(get_oper_name(source_p)); |
285 | ||
d8a4c5f6 | 286 | if(temp_time > 0) |
212380e3 | 287 | { |
d8a4c5f6 | 288 | aconf->hold = rb_current_time() + temp_time; |
212380e3 | 289 | |
d8a4c5f6 WP |
290 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
291 | "%s added temporary %d min. X-Line for [%s] [%s]", | |
292 | get_oper_name(source_p), temp_time / 60, | |
ff0482a9 | 293 | aconf->host, reason); |
d8a4c5f6 WP |
294 | ilog(L_KLINE, "X %s %d %s %s", |
295 | get_oper_name(source_p), temp_time / 60, name, reason); | |
296 | sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]", | |
ff0482a9 | 297 | temp_time / 60, aconf->host); |
d8a4c5f6 WP |
298 | } |
299 | else | |
212380e3 | 300 | { |
d8a4c5f6 | 301 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]", |
ff0482a9 | 302 | get_oper_name(source_p), aconf->host, aconf->passwd); |
d8a4c5f6 | 303 | sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]", |
ff0482a9 | 304 | aconf->host, aconf->passwd); |
d8a4c5f6 | 305 | |
ff0482a9 | 306 | bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0); |
03368cb9 | 307 | ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd); |
212380e3 | 308 | } |
d8a4c5f6 WP |
309 | |
310 | rb_dlinkAddAlloc(aconf, &xline_conf_list); | |
311 | check_xlines(); | |
212380e3 | 312 | } |
313 | ||
d8a4c5f6 | 314 | static void |
212380e3 | 315 | propagate_xline(struct Client *source_p, const char *target, |
d8a4c5f6 | 316 | int temp_time, const char *name, const char *type, const char *reason) |
212380e3 | 317 | { |
318 | if(!temp_time) | |
319 | { | |
320 | sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS, | |
d8a4c5f6 | 321 | "XLINE %s %s %s :%s", target, name, type, reason); |
212380e3 | 322 | sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER, |
d8a4c5f6 | 323 | "ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason); |
212380e3 | 324 | } |
325 | else | |
326 | sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS, | |
d8a4c5f6 WP |
327 | "ENCAP %s XLINE %d %s %s :%s", |
328 | target, temp_time, name, type, reason); | |
212380e3 | 329 | } |
d8a4c5f6 | 330 | |
212380e3 | 331 | static void |
d8a4c5f6 | 332 | cluster_xline(struct Client *source_p, int temp_time, const char *name, const char *reason) |
212380e3 | 333 | { |
334 | struct remote_conf *shared_p; | |
08d11e34 | 335 | rb_dlink_node *ptr; |
212380e3 | 336 | |
08d11e34 | 337 | RB_DLINK_FOREACH(ptr, cluster_conf_list.head) |
212380e3 | 338 | { |
339 | shared_p = ptr->data; | |
340 | ||
341 | /* old protocol cant handle temps, and we dont really want | |
342 | * to convert them to perm.. --fl | |
343 | */ | |
344 | if(!temp_time) | |
345 | { | |
346 | if(!(shared_p->flags & SHARED_PXLINE)) | |
347 | continue; | |
348 | ||
349 | sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS, | |
d8a4c5f6 | 350 | "XLINE %s %s 2 :%s", shared_p->server, name, reason); |
212380e3 | 351 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER, |
d8a4c5f6 WP |
352 | "ENCAP %s XLINE 0 %s 2 :%s", |
353 | shared_p->server, name, reason); | |
212380e3 | 354 | } |
355 | else if(shared_p->flags & SHARED_TXLINE) | |
356 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS, | |
d8a4c5f6 WP |
357 | "ENCAP %s XLINE %d %s 2 :%s", |
358 | shared_p->server, temp_time, name, reason); | |
212380e3 | 359 | } |
360 | } | |
361 | ||
362 | /* mo_unxline() | |
363 | * | |
364 | * parv[1] - thing to unxline | |
365 | */ | |
366 | static int | |
367 | mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
368 | { | |
369 | if(!IsOperXline(source_p)) | |
370 | { | |
d8a4c5f6 | 371 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline"); |
212380e3 | 372 | return 0; |
373 | } | |
374 | ||
375 | if(parc == 4 && !(irccmp(parv[2], "ON"))) | |
376 | { | |
377 | if(!IsOperRemoteBan(source_p)) | |
378 | { | |
379 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
d8a4c5f6 | 380 | me.name, source_p->name, "remoteban"); |
212380e3 | 381 | return 0; |
382 | } | |
383 | ||
d8a4c5f6 | 384 | propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]); |
212380e3 | 385 | |
386 | if(match(parv[3], me.name) == 0) | |
387 | return 0; | |
388 | } | |
08d11e34 | 389 | else if(rb_dlink_list_length(&cluster_conf_list)) |
d8a4c5f6 | 390 | cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", parv[1]); |
212380e3 | 391 | |
212380e3 | 392 | remove_xline(source_p, parv[1]); |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
397 | /* ms_unxline() | |
398 | * | |
399 | * handles a remote unxline | |
400 | */ | |
401 | static int | |
402 | ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
403 | { | |
d8a4c5f6 WP |
404 | /* parv[0] parv[1] parv[2] |
405 | * oper target server gecos | |
212380e3 | 406 | */ |
d8a4c5f6 | 407 | propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]); |
212380e3 | 408 | |
409 | if(!match(parv[1], me.name)) | |
410 | return 0; | |
411 | ||
412 | if(!IsPerson(source_p)) | |
413 | return 0; | |
414 | ||
415 | handle_remote_unxline(source_p, parv[2]); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | static int | |
420 | me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
421 | { | |
422 | /* name */ | |
423 | if(!IsPerson(source_p)) | |
424 | return 0; | |
425 | ||
426 | handle_remote_unxline(source_p, parv[1]); | |
427 | return 0; | |
428 | } | |
429 | ||
430 | static void | |
431 | handle_remote_unxline(struct Client *source_p, const char *name) | |
432 | { | |
433 | if(!find_shared_conf(source_p->username, source_p->host, | |
d8a4c5f6 | 434 | source_p->servptr->name, SHARED_UNXLINE)) |
212380e3 | 435 | return; |
436 | ||
212380e3 | 437 | remove_xline(source_p, name); |
438 | ||
439 | return; | |
440 | } | |
441 | ||
60c96e64 | 442 | static void |
5408b484 | 443 | remove_xline(struct Client *source_p, const char *name) |
212380e3 | 444 | { |
445 | struct ConfItem *aconf; | |
08d11e34 | 446 | rb_dlink_node *ptr; |
212380e3 | 447 | |
08d11e34 | 448 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) |
212380e3 | 449 | { |
450 | aconf = ptr->data; | |
451 | ||
ff0482a9 | 452 | if(!irccmp(aconf->host, name)) |
212380e3 | 453 | { |
d8a4c5f6 | 454 | if(!aconf->hold) |
5408b484 | 455 | { |
d8a4c5f6 WP |
456 | bandb_del(BANDB_XLINE, aconf->host, NULL); |
457 | ||
458 | sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host); | |
459 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
460 | "%s has removed the X-Line for: [%s]", | |
461 | get_oper_name(source_p), aconf->host); | |
462 | ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host); | |
5408b484 JT |
463 | } |
464 | else | |
465 | { | |
d8a4c5f6 | 466 | sendto_one_notice(source_p, ":X-Line for [%s] is removed", name); |
5408b484 | 467 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
d8a4c5f6 WP |
468 | "%s has removed the temporary X-Line for: [%s]", |
469 | get_oper_name(source_p), name); | |
470 | ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name); | |
5408b484 | 471 | } |
d8a4c5f6 | 472 | |
ff0482a9 | 473 | remove_reject_mask(aconf->host, NULL); |
212380e3 | 474 | free_conf(aconf); |
9f6c3353 | 475 | rb_dlinkDestroy(ptr, &xline_conf_list); |
60c96e64 | 476 | return; |
212380e3 | 477 | } |
478 | } | |
479 | ||
d8a4c5f6 | 480 | sendto_one_notice(source_p, ":No X-Line for %s", name); |
5408b484 | 481 | |
60c96e64 | 482 | return; |
212380e3 | 483 | } |