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212380e3 AC |
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 | * | |
5366977b | 30 | * $Id: m_xline.c 3161 2007-01-25 07:23:01Z nenolod $ |
212380e3 AC |
31 | */ |
32 | ||
33 | #include "stdinc.h" | |
34 | #include "tools.h" | |
35 | #include "send.h" | |
36 | #include "channel.h" | |
37 | #include "client.h" | |
38 | #include "common.h" | |
39 | #include "config.h" | |
40 | #include "class.h" | |
41 | #include "ircd.h" | |
42 | #include "numeric.h" | |
43 | #include "memory.h" | |
44 | #include "s_log.h" | |
45 | #include "s_serv.h" | |
46 | #include "whowas.h" | |
47 | #include "irc_string.h" | |
48 | #include "sprintf_irc.h" | |
49 | #include "hash.h" | |
50 | #include "msg.h" | |
51 | #include "parse.h" | |
52 | #include "modules.h" | |
53 | #include "s_conf.h" | |
54 | #include "s_newconf.h" | |
35f6f850 | 55 | #include "reject.h" |
212380e3 AC |
56 | |
57 | static int mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
58 | static int ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
59 | static int me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
60 | static int mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
61 | static int ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
62 | static int me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
63 | ||
64 | struct Message xline_msgtab = { | |
65 | "XLINE", 0, 0, 0, MFLG_SLOW, | |
66 | {mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}} | |
67 | }; | |
68 | struct Message unxline_msgtab = { | |
69 | "UNXLINE", 0, 0, 0, MFLG_SLOW, | |
70 | {mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}} | |
71 | }; | |
72 | ||
73 | mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL }; | |
5366977b | 74 | DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision: 3161 $"); |
212380e3 AC |
75 | |
76 | static int valid_xline(struct Client *, const char *, const char *); | |
77 | static void apply_xline(struct Client *client_p, const char *name, | |
78 | const char *reason, int temp_time); | |
79 | static void write_xline(struct Client *source_p, struct ConfItem *aconf); | |
80 | static void propagate_xline(struct Client *source_p, const char *target, | |
81 | int temp_time, const char *name, | |
82 | const char *type, const char *reason); | |
83 | static void cluster_xline(struct Client *source_p, int temp_time, | |
84 | const char *name, const char *reason); | |
85 | ||
86 | static void handle_remote_xline(struct Client *source_p, int temp_time, | |
87 | const char *name, const char *reason); | |
88 | static void handle_remote_unxline(struct Client *source_p, const char *name); | |
89 | ||
60c96e64 | 90 | static void remove_xline(struct Client *source_p, const char *name); |
5408b484 | 91 | static int remove_xline_from_file(struct Client *source_p, const char *gecos); |
212380e3 AC |
92 | |
93 | ||
94 | /* m_xline() | |
95 | * | |
96 | * parv[1] - thing to xline | |
97 | * parv[2] - optional type/reason | |
98 | * parv[3] - reason | |
99 | */ | |
100 | static int | |
101 | mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
102 | { | |
103 | struct ConfItem *aconf; | |
104 | const char *name; | |
105 | const char *reason; | |
106 | const char *target_server = NULL; | |
107 | int temp_time; | |
108 | int loc = 1; | |
109 | ||
110 | if(!IsOperXline(source_p)) | |
111 | { | |
112 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
113 | me.name, source_p->name, "xline"); | |
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> */ | |
127 | if(parc >= loc+2 && !irccmp(parv[loc], "ON")) | |
128 | { | |
129 | if(!IsOperRemoteBan(source_p)) | |
130 | { | |
131 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
132 | me.name, source_p->name, "remoteban"); | |
133 | return 0; | |
134 | } | |
135 | ||
136 | target_server = parv[loc+1]; | |
137 | loc += 2; | |
138 | } | |
139 | ||
140 | if(parc <= loc || EmptyString(parv[loc])) | |
141 | { | |
142 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
143 | me.name, source_p->name, "XLINE"); | |
144 | return 0; | |
145 | } | |
146 | ||
147 | reason = parv[loc]; | |
148 | ||
149 | if(target_server != NULL) | |
150 | { | |
151 | propagate_xline(source_p, target_server, temp_time, | |
152 | name, "2", reason); | |
153 | ||
154 | if(!match(target_server, me.name)) | |
155 | return 0; | |
156 | } | |
157 | else if(dlink_list_length(&cluster_conf_list) > 0) | |
158 | cluster_xline(source_p, temp_time, name, reason); | |
159 | ||
0fdb2570 | 160 | if((aconf = find_xline_mask(name)) != NULL) |
212380e3 AC |
161 | { |
162 | sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", | |
60e127c1 | 163 | me.name, source_p->name, name, aconf->name, aconf->passwd); |
212380e3 AC |
164 | return 0; |
165 | } | |
166 | ||
167 | if(!valid_xline(source_p, name, reason)) | |
168 | return 0; | |
169 | ||
170 | apply_xline(source_p, name, reason, temp_time); | |
171 | ||
172 | return 0; | |
173 | } | |
174 | ||
175 | /* ms_xline() | |
176 | * | |
177 | * handles a remote xline | |
178 | */ | |
179 | static int | |
180 | ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
181 | { | |
182 | /* parv[0] parv[1] parv[2] parv[3] parv[4] | |
183 | * oper target serv xline type reason | |
184 | */ | |
185 | propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]); | |
186 | ||
187 | if(!IsPerson(source_p)) | |
188 | return 0; | |
189 | ||
190 | /* destined for me? */ | |
191 | if(!match(parv[1], me.name)) | |
192 | return 0; | |
193 | ||
194 | handle_remote_xline(source_p, 0, parv[2], parv[4]); | |
195 | return 0; | |
196 | } | |
197 | ||
198 | static int | |
199 | me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
200 | { | |
201 | /* time name type :reason */ | |
202 | if(!IsPerson(source_p)) | |
203 | return 0; | |
204 | ||
205 | handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]); | |
206 | return 0; | |
207 | } | |
208 | ||
209 | static void | |
210 | handle_remote_xline(struct Client *source_p, int temp_time, | |
211 | const char *name, const char *reason) | |
212 | { | |
213 | struct ConfItem *aconf; | |
214 | ||
215 | if(!find_shared_conf(source_p->username, source_p->host, | |
c88cdb00 | 216 | source_p->servptr->name, |
212380e3 AC |
217 | (temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE)) |
218 | return; | |
219 | ||
220 | if(!valid_xline(source_p, name, reason)) | |
221 | return; | |
222 | ||
223 | /* already xlined */ | |
0fdb2570 | 224 | if((aconf = find_xline_mask(name)) != NULL) |
212380e3 | 225 | { |
5366977b | 226 | sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->name, aconf->passwd); |
212380e3 AC |
227 | return; |
228 | } | |
229 | ||
230 | apply_xline(source_p, name, reason, temp_time); | |
231 | } | |
232 | ||
233 | /* valid_xline() | |
234 | * | |
235 | * inputs - client xlining, gecos, reason and whether to warn | |
236 | * outputs - | |
237 | * side effects - checks the xline for validity, erroring if needed | |
238 | */ | |
239 | static int | |
240 | valid_xline(struct Client *source_p, const char *gecos, | |
241 | const char *reason) | |
242 | { | |
243 | if(EmptyString(reason)) | |
244 | { | |
245 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
246 | get_id(&me, source_p), | |
247 | get_id(source_p, source_p), "XLINE"); | |
248 | return 0; | |
249 | } | |
250 | ||
251 | if(strchr(reason, ':') != NULL) | |
252 | { | |
253 | sendto_one_notice(source_p, | |
254 | ":Invalid character ':' in comment"); | |
255 | return 0; | |
256 | } | |
257 | ||
258 | if(strchr(reason, '"')) | |
259 | { | |
260 | sendto_one_notice(source_p, | |
261 | ":Invalid character '\"' in comment"); | |
262 | return 0; | |
263 | } | |
264 | ||
265 | if(!valid_wild_card_simple(gecos)) | |
266 | { | |
267 | sendto_one_notice(source_p, | |
268 | ":Please include at least %d non-wildcard " | |
269 | "characters with the xline", | |
270 | ConfigFileEntry.min_nonwildcard_simple); | |
271 | return 0; | |
272 | } | |
273 | ||
274 | return 1; | |
275 | } | |
276 | ||
277 | void | |
278 | apply_xline(struct Client *source_p, const char *name, const char *reason, | |
279 | int temp_time) | |
280 | { | |
281 | struct ConfItem *aconf; | |
282 | ||
283 | aconf = make_conf(); | |
284 | aconf->status = CONF_XLINE; | |
285 | ||
286 | if(strstr(name, "\\s")) | |
287 | { | |
288 | char *tmp = LOCAL_COPY(name); | |
289 | char *orig = tmp; | |
290 | char *new = tmp; | |
291 | ||
292 | while(*orig) | |
293 | { | |
294 | if(*orig == '\\' && *(orig + 1) != '\0') | |
295 | { | |
296 | if(*(orig + 1) == 's') | |
297 | { | |
298 | *new++ = ' '; | |
299 | orig += 2; | |
300 | } | |
301 | /* otherwise skip that and the escaped | |
302 | * character after it, so we dont mistake | |
303 | * \\s as \s --fl | |
304 | */ | |
305 | else | |
306 | { | |
307 | *new++ = *orig++; | |
308 | *new++ = *orig++; | |
309 | } | |
310 | } | |
311 | else | |
312 | *new++ = *orig++; | |
313 | } | |
314 | ||
315 | *new = '\0'; | |
316 | DupString(aconf->name, tmp); | |
317 | } | |
318 | else | |
319 | DupString(aconf->name, name); | |
320 | ||
321 | DupString(aconf->passwd, reason); | |
322 | collapse(aconf->name); | |
323 | ||
324 | if(temp_time > 0) | |
325 | { | |
326 | aconf->hold = CurrentTime + temp_time; | |
327 | ||
328 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
329 | "%s added temporary %d min. X-Line for [%s] [%s]", | |
330 | get_oper_name(source_p), temp_time / 60, | |
331 | aconf->name, reason); | |
332 | ilog(L_KLINE, "X %s %d %s %s", | |
333 | get_oper_name(source_p), temp_time / 60, | |
334 | name, reason); | |
335 | sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]", | |
336 | temp_time / 60, aconf->name); | |
337 | } | |
338 | else | |
339 | { | |
340 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]", | |
341 | get_oper_name(source_p), | |
342 | aconf->name, aconf->passwd); | |
343 | sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]", | |
344 | aconf->name, aconf->passwd); | |
345 | write_xline(source_p, aconf); | |
346 | ilog(L_KLINE, "X %s 0 %s %s", | |
347 | get_oper_name(source_p), name, reason); | |
348 | } | |
349 | ||
350 | dlinkAddAlloc(aconf, &xline_conf_list); | |
351 | check_xlines(); | |
352 | } | |
353 | ||
354 | /* write_xline() | |
355 | * | |
356 | * inputs - gecos, reason, xline type | |
357 | * outputs - writes an xline to the config | |
358 | * side effects - | |
359 | */ | |
360 | static void | |
361 | write_xline(struct Client *source_p, struct ConfItem *aconf) | |
362 | { | |
363 | char buffer[BUFSIZE * 2]; | |
364 | FILE *out; | |
365 | const char *filename; | |
366 | ||
367 | filename = ConfigFileEntry.xlinefile; | |
368 | ||
369 | if((out = fopen(filename, "a")) == NULL) | |
370 | { | |
371 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem opening %s ", filename); | |
372 | sendto_one_notice(source_p, ":*** Problem opening file, xline added temporarily only"); | |
373 | return; | |
374 | } | |
375 | ||
376 | ircsprintf(buffer, "\"%s\",\"0\",\"%s\",\"%s\",%ld\n", | |
377 | aconf->name, aconf->passwd, | |
378 | get_oper_name(source_p), CurrentTime); | |
379 | ||
380 | if(fputs(buffer, out) == -1) | |
381 | { | |
382 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
383 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
384 | fclose(out); | |
385 | return; | |
386 | } | |
387 | ||
388 | if(fclose(out)) | |
389 | { | |
390 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
391 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
392 | return; | |
393 | } | |
394 | } | |
395 | ||
396 | static void | |
397 | propagate_xline(struct Client *source_p, const char *target, | |
398 | int temp_time, const char *name, const char *type, | |
399 | const char *reason) | |
400 | { | |
401 | if(!temp_time) | |
402 | { | |
403 | sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS, | |
404 | "XLINE %s %s %s :%s", | |
405 | target, name, type, reason); | |
406 | sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER, | |
407 | "ENCAP %s XLINE %d %s 2 :%s", | |
408 | target, temp_time, name, reason); | |
409 | } | |
410 | else | |
411 | sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS, | |
412 | "ENCAP %s XLINE %d %s %s :%s", | |
413 | target, temp_time, name, type, reason); | |
414 | } | |
415 | ||
416 | static void | |
417 | cluster_xline(struct Client *source_p, int temp_time, const char *name, | |
418 | const char *reason) | |
419 | { | |
420 | struct remote_conf *shared_p; | |
421 | dlink_node *ptr; | |
422 | ||
423 | DLINK_FOREACH(ptr, cluster_conf_list.head) | |
424 | { | |
425 | shared_p = ptr->data; | |
426 | ||
427 | /* old protocol cant handle temps, and we dont really want | |
428 | * to convert them to perm.. --fl | |
429 | */ | |
430 | if(!temp_time) | |
431 | { | |
432 | if(!(shared_p->flags & SHARED_PXLINE)) | |
433 | continue; | |
434 | ||
435 | sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS, | |
436 | "XLINE %s %s 2 :%s", | |
437 | shared_p->server, name, reason); | |
438 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER, | |
439 | "ENCAP %s XLINE 0 %s 2 :%s", | |
440 | shared_p->server, name, reason); | |
441 | } | |
442 | else if(shared_p->flags & SHARED_TXLINE) | |
443 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS, | |
444 | "ENCAP %s XLINE %d %s 2 :%s", | |
445 | shared_p->server, temp_time, name, reason); | |
446 | } | |
447 | } | |
448 | ||
449 | /* mo_unxline() | |
450 | * | |
451 | * parv[1] - thing to unxline | |
452 | */ | |
453 | static int | |
454 | mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
455 | { | |
456 | if(!IsOperXline(source_p)) | |
457 | { | |
458 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
459 | me.name, source_p->name, "xline"); | |
460 | return 0; | |
461 | } | |
462 | ||
463 | if(parc == 4 && !(irccmp(parv[2], "ON"))) | |
464 | { | |
465 | if(!IsOperRemoteBan(source_p)) | |
466 | { | |
467 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
468 | me.name, source_p->name, "remoteban"); | |
469 | return 0; | |
470 | } | |
471 | ||
472 | propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, | |
473 | "%s", parv[1]); | |
474 | ||
475 | if(match(parv[3], me.name) == 0) | |
476 | return 0; | |
477 | } | |
478 | else if(dlink_list_length(&cluster_conf_list)) | |
479 | cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, | |
480 | "%s", parv[1]); | |
481 | ||
212380e3 AC |
482 | remove_xline(source_p, parv[1]); |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
487 | /* ms_unxline() | |
488 | * | |
489 | * handles a remote unxline | |
490 | */ | |
491 | static int | |
492 | ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
493 | { | |
494 | /* parv[0] parv[1] parv[2] | |
495 | * oper target server gecos | |
496 | */ | |
497 | propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, | |
498 | "%s", parv[2]); | |
499 | ||
500 | if(!match(parv[1], me.name)) | |
501 | return 0; | |
502 | ||
503 | if(!IsPerson(source_p)) | |
504 | return 0; | |
505 | ||
506 | handle_remote_unxline(source_p, parv[2]); | |
507 | return 0; | |
508 | } | |
509 | ||
510 | static int | |
511 | me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
512 | { | |
513 | /* name */ | |
514 | if(!IsPerson(source_p)) | |
515 | return 0; | |
516 | ||
517 | handle_remote_unxline(source_p, parv[1]); | |
518 | return 0; | |
519 | } | |
520 | ||
521 | static void | |
522 | handle_remote_unxline(struct Client *source_p, const char *name) | |
523 | { | |
524 | if(!find_shared_conf(source_p->username, source_p->host, | |
c88cdb00 | 525 | source_p->servptr->name, SHARED_UNXLINE)) |
212380e3 AC |
526 | return; |
527 | ||
212380e3 AC |
528 | remove_xline(source_p, name); |
529 | ||
530 | return; | |
531 | } | |
532 | ||
60c96e64 | 533 | static void |
5408b484 | 534 | remove_xline(struct Client *source_p, const char *name) |
212380e3 AC |
535 | { |
536 | struct ConfItem *aconf; | |
537 | dlink_node *ptr; | |
538 | ||
539 | DLINK_FOREACH(ptr, xline_conf_list.head) | |
540 | { | |
541 | aconf = ptr->data; | |
542 | ||
212380e3 AC |
543 | if(!irccmp(aconf->name, name)) |
544 | { | |
5408b484 JT |
545 | if (!aconf->hold) |
546 | { | |
547 | if (!remove_xline_from_file(source_p, name)) | |
60c96e64 | 548 | return; |
5408b484 JT |
549 | } |
550 | else | |
551 | { | |
552 | sendto_one_notice(source_p, | |
553 | ":X-Line for [%s] is removed", | |
554 | name); | |
555 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
556 | "%s has removed the temporary X-Line for: [%s]", | |
557 | get_oper_name(source_p), name); | |
558 | ilog(L_KLINE, "UX %s %s", | |
559 | get_oper_name(source_p), name); | |
560 | } | |
212380e3 | 561 | |
35f6f850 | 562 | remove_reject_mask(aconf->name, NULL); |
212380e3 AC |
563 | free_conf(aconf); |
564 | dlinkDestroy(ptr, &xline_conf_list); | |
60c96e64 | 565 | return; |
212380e3 AC |
566 | } |
567 | } | |
568 | ||
5408b484 JT |
569 | sendto_one_notice(source_p, ":No X-Line for %s", name); |
570 | ||
60c96e64 | 571 | return; |
212380e3 AC |
572 | } |
573 | ||
60c96e64 | 574 | /* remove_xline_from_file() |
212380e3 AC |
575 | * |
576 | * inputs - gecos to remove | |
577 | * outputs - | |
578 | * side effects - removes xline from conf, if exists | |
5408b484 | 579 | * - does not touch xline_conf_list |
212380e3 | 580 | */ |
5408b484 JT |
581 | static int |
582 | remove_xline_from_file(struct Client *source_p, const char *huntgecos) | |
212380e3 AC |
583 | { |
584 | FILE *in, *out; | |
585 | char buf[BUFSIZE]; | |
586 | char buff[BUFSIZE]; | |
587 | char temppath[BUFSIZE]; | |
588 | const char *filename; | |
589 | const char *gecos; | |
590 | mode_t oldumask; | |
591 | char *p; | |
592 | int error_on_write = 0; | |
593 | int found_xline = 0; | |
594 | ||
595 | filename = ConfigFileEntry.xlinefile; | |
596 | ircsnprintf(temppath, sizeof(temppath), | |
597 | "%s.tmp", ConfigFileEntry.xlinefile); | |
598 | ||
599 | if((in = fopen(filename, "r")) == NULL) | |
600 | { | |
601 | sendto_one_notice(source_p, ":Cannot open %s", filename); | |
5408b484 | 602 | return 0; |
212380e3 AC |
603 | } |
604 | ||
605 | oldumask = umask(0); | |
606 | ||
607 | if((out = fopen(temppath, "w")) == NULL) | |
608 | { | |
609 | sendto_one_notice(source_p, ":Cannot open %s", temppath); | |
610 | fclose(in); | |
611 | umask(oldumask); | |
5408b484 | 612 | return 0; |
212380e3 AC |
613 | } |
614 | ||
615 | umask(oldumask); | |
616 | ||
617 | while (fgets(buf, sizeof(buf), in)) | |
618 | { | |
619 | if(error_on_write) | |
620 | { | |
621 | if(temppath != NULL) | |
622 | (void) unlink(temppath); | |
623 | ||
624 | break; | |
625 | } | |
626 | ||
627 | strlcpy(buff, buf, sizeof(buff)); | |
628 | ||
629 | if((p = strchr(buff, '\n')) != NULL) | |
630 | *p = '\0'; | |
631 | ||
632 | if((*buff == '\0') || (*buff == '#')) | |
633 | { | |
634 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
635 | continue; | |
636 | } | |
637 | ||
638 | if((gecos = getfield(buff)) == NULL) | |
639 | { | |
640 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
641 | continue; | |
642 | } | |
643 | ||
644 | /* matching.. */ | |
645 | if(irccmp(gecos, huntgecos) == 0) | |
646 | found_xline++; | |
647 | else | |
648 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
649 | } | |
650 | ||
651 | fclose(in); | |
652 | if (fclose(out)) | |
653 | error_on_write = YES; | |
654 | ||
655 | if(error_on_write) | |
656 | { | |
657 | sendto_one_notice(source_p, | |
658 | ":Couldn't write temp xline file, aborted"); | |
5408b484 | 659 | return 0; |
212380e3 AC |
660 | } |
661 | else if(found_xline == 0) | |
662 | { | |
5408b484 | 663 | sendto_one_notice(source_p, ":Cannot find X-Line for %s in file", huntgecos); |
212380e3 AC |
664 | |
665 | if(temppath != NULL) | |
666 | (void) unlink(temppath); | |
5408b484 | 667 | return 0; |
212380e3 AC |
668 | } |
669 | ||
670 | if (rename(temppath, filename)) | |
671 | { | |
672 | sendto_one_notice(source_p, ":Couldn't rename temp file, aborted"); | |
5408b484 | 673 | return 0; |
212380e3 | 674 | } |
212380e3 AC |
675 | |
676 | sendto_one_notice(source_p, ":X-Line for [%s] is removed", huntgecos); | |
677 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
678 | "%s has removed the X-Line for: [%s]", | |
679 | get_oper_name(source_p), huntgecos); | |
680 | ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), huntgecos); | |
5408b484 JT |
681 | |
682 | return 1; | |
212380e3 | 683 | } |