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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 | * | |
30 | * $Id: m_xline.c 3161 2007-01-25 07:23:01Z nenolod $ | |
31 | */ | |
32 | ||
33 | #include "stdinc.h" | |
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" | |
42 | #include "s_log.h" | |
43 | #include "s_serv.h" | |
44 | #include "whowas.h" | |
45 | #include "irc_string.h" | |
46 | #include "sprintf_irc.h" | |
47 | #include "hash.h" | |
48 | #include "msg.h" | |
49 | #include "parse.h" | |
50 | #include "modules.h" | |
51 | #include "s_conf.h" | |
52 | #include "s_newconf.h" | |
53 | #include "reject.h" | |
54 | ||
55 | static int mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
56 | static int ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
57 | static int me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
58 | static int mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
59 | static int ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
60 | static int me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
61 | ||
62 | struct Message xline_msgtab = { | |
63 | "XLINE", 0, 0, 0, MFLG_SLOW, | |
64 | {mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}} | |
65 | }; | |
66 | struct Message unxline_msgtab = { | |
67 | "UNXLINE", 0, 0, 0, MFLG_SLOW, | |
68 | {mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}} | |
69 | }; | |
70 | ||
71 | mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL }; | |
72 | DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision: 3161 $"); | |
73 | ||
74 | static int valid_xline(struct Client *, const char *, const char *); | |
75 | static void apply_xline(struct Client *client_p, const char *name, | |
76 | const char *reason, int temp_time); | |
77 | static void write_xline(struct Client *source_p, struct ConfItem *aconf); | |
78 | static void propagate_xline(struct Client *source_p, const char *target, | |
79 | int temp_time, const char *name, | |
80 | const char *type, const char *reason); | |
81 | static void cluster_xline(struct Client *source_p, int temp_time, | |
82 | const char *name, const char *reason); | |
83 | ||
84 | static void handle_remote_xline(struct Client *source_p, int temp_time, | |
85 | const char *name, const char *reason); | |
86 | static void handle_remote_unxline(struct Client *source_p, const char *name); | |
87 | ||
88 | static void remove_xline(struct Client *source_p, const char *name); | |
89 | static int remove_xline_from_file(struct Client *source_p, const char *gecos); | |
90 | ||
91 | ||
92 | /* m_xline() | |
93 | * | |
94 | * parv[1] - thing to xline | |
95 | * parv[2] - optional type/reason | |
96 | * parv[3] - reason | |
97 | */ | |
98 | static int | |
99 | mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
100 | { | |
101 | struct ConfItem *aconf; | |
102 | const char *name; | |
103 | const char *reason; | |
104 | const char *target_server = NULL; | |
105 | int temp_time; | |
106 | int loc = 1; | |
107 | ||
108 | if(!IsOperXline(source_p)) | |
109 | { | |
110 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
111 | me.name, source_p->name, "xline"); | |
112 | return 0; | |
113 | } | |
114 | ||
115 | if((temp_time = valid_temp_time(parv[loc])) >= 0) | |
116 | loc++; | |
117 | /* we just set temp_time to -1! */ | |
118 | else | |
119 | temp_time = 0; | |
120 | ||
121 | name = parv[loc]; | |
122 | loc++; | |
123 | ||
124 | /* XLINE <gecos> ON <server> :<reason> */ | |
125 | if(parc >= loc+2 && !irccmp(parv[loc], "ON")) | |
126 | { | |
127 | if(!IsOperRemoteBan(source_p)) | |
128 | { | |
129 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
130 | me.name, source_p->name, "remoteban"); | |
131 | return 0; | |
132 | } | |
133 | ||
134 | target_server = parv[loc+1]; | |
135 | loc += 2; | |
136 | } | |
137 | ||
138 | if(parc <= loc || EmptyString(parv[loc])) | |
139 | { | |
140 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
141 | me.name, source_p->name, "XLINE"); | |
142 | return 0; | |
143 | } | |
144 | ||
145 | reason = parv[loc]; | |
146 | ||
147 | if(target_server != NULL) | |
148 | { | |
149 | propagate_xline(source_p, target_server, temp_time, | |
150 | name, "2", reason); | |
151 | ||
152 | if(!match(target_server, me.name)) | |
153 | return 0; | |
154 | } | |
155 | else if(rb_dlink_list_length(&cluster_conf_list) > 0) | |
156 | cluster_xline(source_p, temp_time, name, reason); | |
157 | ||
158 | if((aconf = find_xline_mask(name)) != NULL) | |
159 | { | |
160 | sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", | |
161 | me.name, source_p->name, name, aconf->name, aconf->passwd); | |
162 | return 0; | |
163 | } | |
164 | ||
165 | if(!valid_xline(source_p, name, reason)) | |
166 | return 0; | |
167 | ||
168 | apply_xline(source_p, name, reason, temp_time); | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
173 | /* ms_xline() | |
174 | * | |
175 | * handles a remote xline | |
176 | */ | |
177 | static int | |
178 | ms_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
179 | { | |
180 | /* parv[0] parv[1] parv[2] parv[3] parv[4] | |
181 | * oper target serv xline type reason | |
182 | */ | |
183 | propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]); | |
184 | ||
185 | if(!IsPerson(source_p)) | |
186 | return 0; | |
187 | ||
188 | /* destined for me? */ | |
189 | if(!match(parv[1], me.name)) | |
190 | return 0; | |
191 | ||
192 | handle_remote_xline(source_p, 0, parv[2], parv[4]); | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static int | |
197 | me_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
198 | { | |
199 | /* time name type :reason */ | |
200 | if(!IsPerson(source_p)) | |
201 | return 0; | |
202 | ||
203 | handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]); | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static void | |
208 | handle_remote_xline(struct Client *source_p, int temp_time, | |
209 | const char *name, const char *reason) | |
210 | { | |
211 | struct ConfItem *aconf; | |
212 | ||
213 | if(!find_shared_conf(source_p->username, source_p->host, | |
214 | source_p->servptr->name, | |
215 | (temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE)) | |
216 | return; | |
217 | ||
218 | if(!valid_xline(source_p, name, reason)) | |
219 | return; | |
220 | ||
221 | /* already xlined */ | |
222 | if((aconf = find_xline_mask(name)) != NULL) | |
223 | { | |
224 | sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->name, aconf->passwd); | |
225 | return; | |
226 | } | |
227 | ||
228 | apply_xline(source_p, name, reason, temp_time); | |
229 | } | |
230 | ||
231 | /* valid_xline() | |
232 | * | |
233 | * inputs - client xlining, gecos, reason and whether to warn | |
234 | * outputs - | |
235 | * side effects - checks the xline for validity, erroring if needed | |
236 | */ | |
237 | static int | |
238 | valid_xline(struct Client *source_p, const char *gecos, | |
239 | const char *reason) | |
240 | { | |
241 | if(EmptyString(reason)) | |
242 | { | |
243 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
244 | get_id(&me, source_p), | |
245 | get_id(source_p, source_p), "XLINE"); | |
246 | return 0; | |
247 | } | |
248 | ||
249 | if(strchr(reason, ':') != NULL) | |
250 | { | |
251 | sendto_one_notice(source_p, | |
252 | ":Invalid character ':' in comment"); | |
253 | return 0; | |
254 | } | |
255 | ||
256 | if(strchr(reason, '"')) | |
257 | { | |
258 | sendto_one_notice(source_p, | |
259 | ":Invalid character '\"' in comment"); | |
260 | return 0; | |
261 | } | |
262 | ||
263 | if(!valid_wild_card_simple(gecos)) | |
264 | { | |
265 | sendto_one_notice(source_p, | |
266 | ":Please include at least %d non-wildcard " | |
267 | "characters with the xline", | |
268 | ConfigFileEntry.min_nonwildcard_simple); | |
269 | return 0; | |
270 | } | |
271 | ||
272 | return 1; | |
273 | } | |
274 | ||
275 | void | |
276 | apply_xline(struct Client *source_p, const char *name, const char *reason, | |
277 | int temp_time) | |
278 | { | |
279 | struct ConfItem *aconf; | |
280 | ||
281 | aconf = make_conf(); | |
282 | aconf->status = CONF_XLINE; | |
283 | ||
284 | if(strstr(name, "\\s")) | |
285 | { | |
286 | char *tmp = LOCAL_COPY(name); | |
287 | char *orig = tmp; | |
288 | char *new = tmp; | |
289 | ||
290 | while(*orig) | |
291 | { | |
292 | if(*orig == '\\' && *(orig + 1) != '\0') | |
293 | { | |
294 | if(*(orig + 1) == 's') | |
295 | { | |
296 | *new++ = ' '; | |
297 | orig += 2; | |
298 | } | |
299 | /* otherwise skip that and the escaped | |
300 | * character after it, so we dont mistake | |
301 | * \\s as \s --fl | |
302 | */ | |
303 | else | |
304 | { | |
305 | *new++ = *orig++; | |
306 | *new++ = *orig++; | |
307 | } | |
308 | } | |
309 | else | |
310 | *new++ = *orig++; | |
311 | } | |
312 | ||
313 | *new = '\0'; | |
314 | DupString(aconf->name, tmp); | |
315 | } | |
316 | else | |
317 | DupString(aconf->name, name); | |
318 | ||
319 | DupString(aconf->passwd, reason); | |
320 | collapse(aconf->name); | |
321 | ||
322 | if(temp_time > 0) | |
323 | { | |
324 | aconf->hold = CurrentTime + temp_time; | |
325 | ||
326 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
327 | "%s added temporary %d min. X-Line for [%s] [%s]", | |
328 | get_oper_name(source_p), temp_time / 60, | |
329 | aconf->name, reason); | |
330 | ilog(L_KLINE, "X %s %d %s %s", | |
331 | get_oper_name(source_p), temp_time / 60, | |
332 | name, reason); | |
333 | sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]", | |
334 | temp_time / 60, aconf->name); | |
335 | } | |
336 | else | |
337 | { | |
338 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]", | |
339 | get_oper_name(source_p), | |
340 | aconf->name, aconf->passwd); | |
341 | sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]", | |
342 | aconf->name, aconf->passwd); | |
343 | write_xline(source_p, aconf); | |
344 | ilog(L_KLINE, "X %s 0 %s %s", | |
345 | get_oper_name(source_p), name, reason); | |
346 | } | |
347 | ||
348 | dlinkAddAlloc(aconf, &xline_conf_list); | |
349 | check_xlines(); | |
350 | } | |
351 | ||
352 | /* write_xline() | |
353 | * | |
354 | * inputs - gecos, reason, xline type | |
355 | * outputs - writes an xline to the config | |
356 | * side effects - | |
357 | */ | |
358 | static void | |
359 | write_xline(struct Client *source_p, struct ConfItem *aconf) | |
360 | { | |
361 | char buffer[BUFSIZE * 2]; | |
362 | FILE *out; | |
363 | const char *filename; | |
364 | ||
365 | filename = ConfigFileEntry.xlinefile; | |
366 | ||
367 | if((out = fopen(filename, "a")) == NULL) | |
368 | { | |
369 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem opening %s ", filename); | |
370 | sendto_one_notice(source_p, ":*** Problem opening file, xline added temporarily only"); | |
371 | return; | |
372 | } | |
373 | ||
374 | rb_sprintf(buffer, "\"%s\",\"0\",\"%s\",\"%s\",%ld\n", | |
375 | aconf->name, aconf->passwd, | |
376 | get_oper_name(source_p), CurrentTime); | |
377 | ||
378 | if(fputs(buffer, out) == -1) | |
379 | { | |
380 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
381 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
382 | fclose(out); | |
383 | return; | |
384 | } | |
385 | ||
386 | if(fclose(out)) | |
387 | { | |
388 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
389 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
390 | return; | |
391 | } | |
392 | } | |
393 | ||
394 | static void | |
395 | propagate_xline(struct Client *source_p, const char *target, | |
396 | int temp_time, const char *name, const char *type, | |
397 | const char *reason) | |
398 | { | |
399 | if(!temp_time) | |
400 | { | |
401 | sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS, | |
402 | "XLINE %s %s %s :%s", | |
403 | target, name, type, reason); | |
404 | sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER, | |
405 | "ENCAP %s XLINE %d %s 2 :%s", | |
406 | target, temp_time, name, reason); | |
407 | } | |
408 | else | |
409 | sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS, | |
410 | "ENCAP %s XLINE %d %s %s :%s", | |
411 | target, temp_time, name, type, reason); | |
412 | } | |
413 | ||
414 | static void | |
415 | cluster_xline(struct Client *source_p, int temp_time, const char *name, | |
416 | const char *reason) | |
417 | { | |
418 | struct remote_conf *shared_p; | |
419 | rb_dlink_node *ptr; | |
420 | ||
421 | RB_DLINK_FOREACH(ptr, cluster_conf_list.head) | |
422 | { | |
423 | shared_p = ptr->data; | |
424 | ||
425 | /* old protocol cant handle temps, and we dont really want | |
426 | * to convert them to perm.. --fl | |
427 | */ | |
428 | if(!temp_time) | |
429 | { | |
430 | if(!(shared_p->flags & SHARED_PXLINE)) | |
431 | continue; | |
432 | ||
433 | sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS, | |
434 | "XLINE %s %s 2 :%s", | |
435 | shared_p->server, name, reason); | |
436 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER, | |
437 | "ENCAP %s XLINE 0 %s 2 :%s", | |
438 | shared_p->server, name, reason); | |
439 | } | |
440 | else if(shared_p->flags & SHARED_TXLINE) | |
441 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS, | |
442 | "ENCAP %s XLINE %d %s 2 :%s", | |
443 | shared_p->server, temp_time, name, reason); | |
444 | } | |
445 | } | |
446 | ||
447 | /* mo_unxline() | |
448 | * | |
449 | * parv[1] - thing to unxline | |
450 | */ | |
451 | static int | |
452 | mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
453 | { | |
454 | if(!IsOperXline(source_p)) | |
455 | { | |
456 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
457 | me.name, source_p->name, "xline"); | |
458 | return 0; | |
459 | } | |
460 | ||
461 | if(parc == 4 && !(irccmp(parv[2], "ON"))) | |
462 | { | |
463 | if(!IsOperRemoteBan(source_p)) | |
464 | { | |
465 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
466 | me.name, source_p->name, "remoteban"); | |
467 | return 0; | |
468 | } | |
469 | ||
470 | propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, | |
471 | "%s", parv[1]); | |
472 | ||
473 | if(match(parv[3], me.name) == 0) | |
474 | return 0; | |
475 | } | |
476 | else if(rb_dlink_list_length(&cluster_conf_list)) | |
477 | cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, | |
478 | "%s", parv[1]); | |
479 | ||
480 | remove_xline(source_p, parv[1]); | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
485 | /* ms_unxline() | |
486 | * | |
487 | * handles a remote unxline | |
488 | */ | |
489 | static int | |
490 | ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
491 | { | |
492 | /* parv[0] parv[1] parv[2] | |
493 | * oper target server gecos | |
494 | */ | |
495 | propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, | |
496 | "%s", parv[2]); | |
497 | ||
498 | if(!match(parv[1], me.name)) | |
499 | return 0; | |
500 | ||
501 | if(!IsPerson(source_p)) | |
502 | return 0; | |
503 | ||
504 | handle_remote_unxline(source_p, parv[2]); | |
505 | return 0; | |
506 | } | |
507 | ||
508 | static int | |
509 | me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
510 | { | |
511 | /* name */ | |
512 | if(!IsPerson(source_p)) | |
513 | return 0; | |
514 | ||
515 | handle_remote_unxline(source_p, parv[1]); | |
516 | return 0; | |
517 | } | |
518 | ||
519 | static void | |
520 | handle_remote_unxline(struct Client *source_p, const char *name) | |
521 | { | |
522 | if(!find_shared_conf(source_p->username, source_p->host, | |
523 | source_p->servptr->name, SHARED_UNXLINE)) | |
524 | return; | |
525 | ||
526 | remove_xline(source_p, name); | |
527 | ||
528 | return; | |
529 | } | |
530 | ||
531 | static void | |
532 | remove_xline(struct Client *source_p, const char *name) | |
533 | { | |
534 | struct ConfItem *aconf; | |
535 | rb_dlink_node *ptr; | |
536 | ||
537 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) | |
538 | { | |
539 | aconf = ptr->data; | |
540 | ||
541 | if(!irccmp(aconf->name, name)) | |
542 | { | |
543 | if (!aconf->hold) | |
544 | { | |
545 | if (!remove_xline_from_file(source_p, name)) | |
546 | return; | |
547 | } | |
548 | else | |
549 | { | |
550 | sendto_one_notice(source_p, | |
551 | ":X-Line for [%s] is removed", | |
552 | name); | |
553 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
554 | "%s has removed the temporary X-Line for: [%s]", | |
555 | get_oper_name(source_p), name); | |
556 | ilog(L_KLINE, "UX %s %s", | |
557 | get_oper_name(source_p), name); | |
558 | } | |
559 | ||
560 | remove_reject_mask(aconf->name, NULL); | |
561 | free_conf(aconf); | |
562 | rb_dlinkDestroy(ptr, &xline_conf_list); | |
563 | return; | |
564 | } | |
565 | } | |
566 | ||
567 | sendto_one_notice(source_p, ":No X-Line for %s", name); | |
568 | ||
569 | return; | |
570 | } | |
571 | ||
572 | /* remove_xline_from_file() | |
573 | * | |
574 | * inputs - gecos to remove | |
575 | * outputs - | |
576 | * side effects - removes xline from conf, if exists | |
577 | * - does not touch xline_conf_list | |
578 | */ | |
579 | static int | |
580 | remove_xline_from_file(struct Client *source_p, const char *huntgecos) | |
581 | { | |
582 | FILE *in, *out; | |
583 | char buf[BUFSIZE]; | |
584 | char buff[BUFSIZE]; | |
585 | char temppath[BUFSIZE]; | |
586 | const char *filename; | |
587 | const char *gecos; | |
588 | mode_t oldumask; | |
589 | char *p; | |
590 | int error_on_write = 0; | |
591 | int found_xline = 0; | |
592 | ||
593 | filename = ConfigFileEntry.xlinefile; | |
594 | rb_snprintf(temppath, sizeof(temppath), | |
595 | "%s.tmp", ConfigFileEntry.xlinefile); | |
596 | ||
597 | if((in = fopen(filename, "r")) == NULL) | |
598 | { | |
599 | sendto_one_notice(source_p, ":Cannot open %s", filename); | |
600 | return 0; | |
601 | } | |
602 | ||
603 | oldumask = umask(0); | |
604 | ||
605 | if((out = fopen(temppath, "w")) == NULL) | |
606 | { | |
607 | sendto_one_notice(source_p, ":Cannot open %s", temppath); | |
608 | fclose(in); | |
609 | umask(oldumask); | |
610 | return 0; | |
611 | } | |
612 | ||
613 | umask(oldumask); | |
614 | ||
615 | while (fgets(buf, sizeof(buf), in)) | |
616 | { | |
617 | if(error_on_write) | |
618 | { | |
619 | if(temppath != NULL) | |
620 | (void) unlink(temppath); | |
621 | ||
622 | break; | |
623 | } | |
624 | ||
625 | strlcpy(buff, buf, sizeof(buff)); | |
626 | ||
627 | if((p = strchr(buff, '\n')) != NULL) | |
628 | *p = '\0'; | |
629 | ||
630 | if((*buff == '\0') || (*buff == '#')) | |
631 | { | |
632 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
633 | continue; | |
634 | } | |
635 | ||
636 | if((gecos = getfield(buff)) == NULL) | |
637 | { | |
638 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
639 | continue; | |
640 | } | |
641 | ||
642 | /* matching.. */ | |
643 | if(irccmp(gecos, huntgecos) == 0) | |
644 | found_xline++; | |
645 | else | |
646 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
647 | } | |
648 | ||
649 | fclose(in); | |
650 | if (fclose(out)) | |
651 | error_on_write = YES; | |
652 | ||
653 | if(error_on_write) | |
654 | { | |
655 | sendto_one_notice(source_p, | |
656 | ":Couldn't write temp xline file, aborted"); | |
657 | return 0; | |
658 | } | |
659 | else if(found_xline == 0) | |
660 | { | |
661 | sendto_one_notice(source_p, ":Cannot find X-Line for %s in file", huntgecos); | |
662 | ||
663 | if(temppath != NULL) | |
664 | (void) unlink(temppath); | |
665 | return 0; | |
666 | } | |
667 | ||
668 | if (rename(temppath, filename)) | |
669 | { | |
670 | sendto_one_notice(source_p, ":Couldn't rename temp file, aborted"); | |
671 | return 0; | |
672 | } | |
673 | ||
674 | sendto_one_notice(source_p, ":X-Line for [%s] is removed", huntgecos); | |
675 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
676 | "%s has removed the X-Line for: [%s]", | |
677 | get_oper_name(source_p), huntgecos); | |
678 | ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), huntgecos); | |
679 | ||
680 | return 1; | |
681 | } |