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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" | |
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[]); | |
59 | static int mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
60 | static int ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
61 | static int me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
62 | ||
63 | struct Message xline_msgtab = { | |
64 | "XLINE", 0, 0, 0, MFLG_SLOW, | |
65 | {mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}} | |
66 | }; | |
67 | struct Message unxline_msgtab = { | |
68 | "UNXLINE", 0, 0, 0, MFLG_SLOW, | |
69 | {mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}} | |
70 | }; | |
71 | ||
72 | mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL }; | |
5366977b | 73 | DECLARE_MODULE_AV1(xline, NULL, NULL, xline_clist, NULL, NULL, "$Revision: 3161 $"); |
212380e3 AC |
74 | |
75 | static int valid_xline(struct Client *, const char *, const char *); | |
76 | static void apply_xline(struct Client *client_p, const char *name, | |
77 | const char *reason, int temp_time); | |
78 | static void write_xline(struct Client *source_p, struct ConfItem *aconf); | |
79 | static void propagate_xline(struct Client *source_p, const char *target, | |
80 | int temp_time, const char *name, | |
81 | const char *type, const char *reason); | |
82 | static void cluster_xline(struct Client *source_p, int temp_time, | |
83 | const char *name, const char *reason); | |
84 | ||
85 | static void handle_remote_xline(struct Client *source_p, int temp_time, | |
86 | const char *name, const char *reason); | |
87 | static void handle_remote_unxline(struct Client *source_p, const char *name); | |
88 | ||
89 | static int remove_temp_xline(struct Client *source_p, const char *name); | |
90 | static void remove_xline(struct Client *source_p, const char *gecos); | |
91 | ||
92 | ||
93 | /* m_xline() | |
94 | * | |
95 | * parv[1] - thing to xline | |
96 | * parv[2] - optional type/reason | |
97 | * parv[3] - reason | |
98 | */ | |
99 | static int | |
100 | mo_xline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
101 | { | |
102 | struct ConfItem *aconf; | |
103 | const char *name; | |
104 | const char *reason; | |
105 | const char *target_server = NULL; | |
106 | int temp_time; | |
107 | int loc = 1; | |
108 | ||
109 | if(!IsOperXline(source_p)) | |
110 | { | |
111 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
112 | me.name, source_p->name, "xline"); | |
113 | return 0; | |
114 | } | |
115 | ||
116 | if((temp_time = valid_temp_time(parv[loc])) >= 0) | |
117 | loc++; | |
118 | /* we just set temp_time to -1! */ | |
119 | else | |
120 | temp_time = 0; | |
121 | ||
122 | name = parv[loc]; | |
123 | loc++; | |
124 | ||
125 | /* XLINE <gecos> ON <server> :<reason> */ | |
126 | if(parc >= loc+2 && !irccmp(parv[loc], "ON")) | |
127 | { | |
128 | if(!IsOperRemoteBan(source_p)) | |
129 | { | |
130 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
131 | me.name, source_p->name, "remoteban"); | |
132 | return 0; | |
133 | } | |
134 | ||
135 | target_server = parv[loc+1]; | |
136 | loc += 2; | |
137 | } | |
138 | ||
139 | if(parc <= loc || EmptyString(parv[loc])) | |
140 | { | |
141 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
142 | me.name, source_p->name, "XLINE"); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | reason = parv[loc]; | |
147 | ||
148 | if(target_server != NULL) | |
149 | { | |
150 | propagate_xline(source_p, target_server, temp_time, | |
151 | name, "2", reason); | |
152 | ||
153 | if(!match(target_server, me.name)) | |
154 | return 0; | |
155 | } | |
156 | else if(dlink_list_length(&cluster_conf_list) > 0) | |
157 | cluster_xline(source_p, temp_time, name, reason); | |
158 | ||
159 | if((aconf = find_xline(name, 0)) != NULL) | |
160 | { | |
161 | sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", | |
162 | me.name, source_p->name, parv[1], aconf->name, aconf->passwd); | |
163 | return 0; | |
164 | } | |
165 | ||
166 | if(!valid_xline(source_p, name, reason)) | |
167 | return 0; | |
168 | ||
169 | apply_xline(source_p, name, reason, temp_time); | |
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 | { | |
181 | /* parv[0] parv[1] parv[2] parv[3] parv[4] | |
182 | * oper target serv xline type reason | |
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 | |
209 | handle_remote_xline(struct Client *source_p, int temp_time, | |
210 | const char *name, const char *reason) | |
211 | { | |
212 | struct ConfItem *aconf; | |
213 | ||
214 | if(!find_shared_conf(source_p->username, source_p->host, | |
215 | source_p->user->server, | |
216 | (temp_time > 0) ? SHARED_TXLINE : SHARED_PXLINE)) | |
217 | return; | |
218 | ||
219 | if(!valid_xline(source_p, name, reason)) | |
220 | return; | |
221 | ||
222 | /* already xlined */ | |
223 | if((aconf = find_xline(name, 0)) != NULL) | |
224 | { | |
5366977b | 225 | sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->name, aconf->passwd); |
212380e3 AC |
226 | return; |
227 | } | |
228 | ||
229 | apply_xline(source_p, name, reason, temp_time); | |
230 | } | |
231 | ||
232 | /* valid_xline() | |
233 | * | |
234 | * inputs - client xlining, gecos, reason and whether to warn | |
235 | * outputs - | |
236 | * side effects - checks the xline for validity, erroring if needed | |
237 | */ | |
238 | static int | |
239 | valid_xline(struct Client *source_p, const char *gecos, | |
240 | const char *reason) | |
241 | { | |
242 | if(EmptyString(reason)) | |
243 | { | |
244 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
245 | get_id(&me, source_p), | |
246 | get_id(source_p, source_p), "XLINE"); | |
247 | return 0; | |
248 | } | |
249 | ||
250 | if(strchr(reason, ':') != NULL) | |
251 | { | |
252 | sendto_one_notice(source_p, | |
253 | ":Invalid character ':' in comment"); | |
254 | return 0; | |
255 | } | |
256 | ||
257 | if(strchr(reason, '"')) | |
258 | { | |
259 | sendto_one_notice(source_p, | |
260 | ":Invalid character '\"' in comment"); | |
261 | return 0; | |
262 | } | |
263 | ||
264 | if(!valid_wild_card_simple(gecos)) | |
265 | { | |
266 | sendto_one_notice(source_p, | |
267 | ":Please include at least %d non-wildcard " | |
268 | "characters with the xline", | |
269 | ConfigFileEntry.min_nonwildcard_simple); | |
270 | return 0; | |
271 | } | |
272 | ||
273 | return 1; | |
274 | } | |
275 | ||
276 | void | |
277 | apply_xline(struct Client *source_p, const char *name, const char *reason, | |
278 | int temp_time) | |
279 | { | |
280 | struct ConfItem *aconf; | |
281 | ||
282 | aconf = make_conf(); | |
283 | aconf->status = CONF_XLINE; | |
284 | ||
285 | if(strstr(name, "\\s")) | |
286 | { | |
287 | char *tmp = LOCAL_COPY(name); | |
288 | char *orig = tmp; | |
289 | char *new = tmp; | |
290 | ||
291 | while(*orig) | |
292 | { | |
293 | if(*orig == '\\' && *(orig + 1) != '\0') | |
294 | { | |
295 | if(*(orig + 1) == 's') | |
296 | { | |
297 | *new++ = ' '; | |
298 | orig += 2; | |
299 | } | |
300 | /* otherwise skip that and the escaped | |
301 | * character after it, so we dont mistake | |
302 | * \\s as \s --fl | |
303 | */ | |
304 | else | |
305 | { | |
306 | *new++ = *orig++; | |
307 | *new++ = *orig++; | |
308 | } | |
309 | } | |
310 | else | |
311 | *new++ = *orig++; | |
312 | } | |
313 | ||
314 | *new = '\0'; | |
315 | DupString(aconf->name, tmp); | |
316 | } | |
317 | else | |
318 | DupString(aconf->name, name); | |
319 | ||
320 | DupString(aconf->passwd, reason); | |
321 | collapse(aconf->name); | |
322 | ||
323 | if(temp_time > 0) | |
324 | { | |
325 | aconf->hold = CurrentTime + temp_time; | |
326 | ||
327 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
328 | "%s added temporary %d min. X-Line for [%s] [%s]", | |
329 | get_oper_name(source_p), temp_time / 60, | |
330 | aconf->name, reason); | |
331 | ilog(L_KLINE, "X %s %d %s %s", | |
332 | get_oper_name(source_p), temp_time / 60, | |
333 | name, reason); | |
334 | sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]", | |
335 | temp_time / 60, aconf->name); | |
336 | } | |
337 | else | |
338 | { | |
339 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]", | |
340 | get_oper_name(source_p), | |
341 | aconf->name, aconf->passwd); | |
342 | sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]", | |
343 | aconf->name, aconf->passwd); | |
344 | write_xline(source_p, aconf); | |
345 | ilog(L_KLINE, "X %s 0 %s %s", | |
346 | get_oper_name(source_p), name, reason); | |
347 | } | |
348 | ||
349 | dlinkAddAlloc(aconf, &xline_conf_list); | |
350 | check_xlines(); | |
351 | } | |
352 | ||
353 | /* write_xline() | |
354 | * | |
355 | * inputs - gecos, reason, xline type | |
356 | * outputs - writes an xline to the config | |
357 | * side effects - | |
358 | */ | |
359 | static void | |
360 | write_xline(struct Client *source_p, struct ConfItem *aconf) | |
361 | { | |
362 | char buffer[BUFSIZE * 2]; | |
363 | FILE *out; | |
364 | const char *filename; | |
365 | ||
366 | filename = ConfigFileEntry.xlinefile; | |
367 | ||
368 | if((out = fopen(filename, "a")) == NULL) | |
369 | { | |
370 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem opening %s ", filename); | |
371 | sendto_one_notice(source_p, ":*** Problem opening file, xline added temporarily only"); | |
372 | return; | |
373 | } | |
374 | ||
375 | ircsprintf(buffer, "\"%s\",\"0\",\"%s\",\"%s\",%ld\n", | |
376 | aconf->name, aconf->passwd, | |
377 | get_oper_name(source_p), CurrentTime); | |
378 | ||
379 | if(fputs(buffer, out) == -1) | |
380 | { | |
381 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
382 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
383 | fclose(out); | |
384 | return; | |
385 | } | |
386 | ||
387 | if(fclose(out)) | |
388 | { | |
389 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
390 | sendto_one_notice(source_p, ":*** Problem writing to file, xline added temporarily only"); | |
391 | return; | |
392 | } | |
393 | } | |
394 | ||
395 | static void | |
396 | propagate_xline(struct Client *source_p, const char *target, | |
397 | int temp_time, const char *name, const char *type, | |
398 | const char *reason) | |
399 | { | |
400 | if(!temp_time) | |
401 | { | |
402 | sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS, | |
403 | "XLINE %s %s %s :%s", | |
404 | target, name, type, reason); | |
405 | sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER, | |
406 | "ENCAP %s XLINE %d %s 2 :%s", | |
407 | target, temp_time, name, reason); | |
408 | } | |
409 | else | |
410 | sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS, | |
411 | "ENCAP %s XLINE %d %s %s :%s", | |
412 | target, temp_time, name, type, reason); | |
413 | } | |
414 | ||
415 | static void | |
416 | cluster_xline(struct Client *source_p, int temp_time, const char *name, | |
417 | const char *reason) | |
418 | { | |
419 | struct remote_conf *shared_p; | |
420 | dlink_node *ptr; | |
421 | ||
422 | DLINK_FOREACH(ptr, cluster_conf_list.head) | |
423 | { | |
424 | shared_p = ptr->data; | |
425 | ||
426 | /* old protocol cant handle temps, and we dont really want | |
427 | * to convert them to perm.. --fl | |
428 | */ | |
429 | if(!temp_time) | |
430 | { | |
431 | if(!(shared_p->flags & SHARED_PXLINE)) | |
432 | continue; | |
433 | ||
434 | sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS, | |
435 | "XLINE %s %s 2 :%s", | |
436 | shared_p->server, name, reason); | |
437 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER, | |
438 | "ENCAP %s XLINE 0 %s 2 :%s", | |
439 | shared_p->server, name, reason); | |
440 | } | |
441 | else if(shared_p->flags & SHARED_TXLINE) | |
442 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS, | |
443 | "ENCAP %s XLINE %d %s 2 :%s", | |
444 | shared_p->server, temp_time, name, reason); | |
445 | } | |
446 | } | |
447 | ||
448 | /* mo_unxline() | |
449 | * | |
450 | * parv[1] - thing to unxline | |
451 | */ | |
452 | static int | |
453 | mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
454 | { | |
455 | if(!IsOperXline(source_p)) | |
456 | { | |
457 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
458 | me.name, source_p->name, "xline"); | |
459 | return 0; | |
460 | } | |
461 | ||
462 | if(parc == 4 && !(irccmp(parv[2], "ON"))) | |
463 | { | |
464 | if(!IsOperRemoteBan(source_p)) | |
465 | { | |
466 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
467 | me.name, source_p->name, "remoteban"); | |
468 | return 0; | |
469 | } | |
470 | ||
471 | propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, | |
472 | "%s", parv[1]); | |
473 | ||
474 | if(match(parv[3], me.name) == 0) | |
475 | return 0; | |
476 | } | |
477 | else if(dlink_list_length(&cluster_conf_list)) | |
478 | cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, | |
479 | "%s", parv[1]); | |
480 | ||
481 | if(remove_temp_xline(source_p, parv[1])) | |
482 | return 0; | |
483 | ||
484 | remove_xline(source_p, parv[1]); | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | /* ms_unxline() | |
490 | * | |
491 | * handles a remote unxline | |
492 | */ | |
493 | static int | |
494 | ms_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
495 | { | |
496 | /* parv[0] parv[1] parv[2] | |
497 | * oper target server gecos | |
498 | */ | |
499 | propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, | |
500 | "%s", parv[2]); | |
501 | ||
502 | if(!match(parv[1], me.name)) | |
503 | return 0; | |
504 | ||
505 | if(!IsPerson(source_p)) | |
506 | return 0; | |
507 | ||
508 | handle_remote_unxline(source_p, parv[2]); | |
509 | return 0; | |
510 | } | |
511 | ||
512 | static int | |
513 | me_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
514 | { | |
515 | /* name */ | |
516 | if(!IsPerson(source_p)) | |
517 | return 0; | |
518 | ||
519 | handle_remote_unxline(source_p, parv[1]); | |
520 | return 0; | |
521 | } | |
522 | ||
523 | static void | |
524 | handle_remote_unxline(struct Client *source_p, const char *name) | |
525 | { | |
526 | if(!find_shared_conf(source_p->username, source_p->host, | |
527 | source_p->user->server, SHARED_UNXLINE)) | |
528 | return; | |
529 | ||
530 | if(remove_temp_xline(source_p, name)) | |
531 | return; | |
532 | ||
533 | remove_xline(source_p, name); | |
534 | ||
535 | return; | |
536 | } | |
537 | ||
538 | static int | |
539 | remove_temp_xline(struct Client *source_p, const char *name) | |
540 | { | |
541 | struct ConfItem *aconf; | |
542 | dlink_node *ptr; | |
543 | ||
544 | DLINK_FOREACH(ptr, xline_conf_list.head) | |
545 | { | |
546 | aconf = ptr->data; | |
547 | ||
548 | /* only want to check temp ones! */ | |
549 | if(!aconf->hold) | |
550 | continue; | |
551 | ||
552 | if(!irccmp(aconf->name, name)) | |
553 | { | |
554 | sendto_one_notice(source_p, | |
555 | ":X-Line for [%s] is removed", | |
556 | name); | |
557 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
558 | "%s has removed the temporary X-Line for: [%s]", | |
559 | get_oper_name(source_p), name); | |
560 | ilog(L_KLINE, "UX %s %s", | |
561 | get_oper_name(source_p), name); | |
562 | ||
563 | free_conf(aconf); | |
564 | dlinkDestroy(ptr, &xline_conf_list); | |
565 | return 1; | |
566 | } | |
567 | } | |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
572 | /* remove_xline() | |
573 | * | |
574 | * inputs - gecos to remove | |
575 | * outputs - | |
576 | * side effects - removes xline from conf, if exists | |
577 | */ | |
578 | static void | |
579 | remove_xline(struct Client *source_p, const char *huntgecos) | |
580 | { | |
581 | FILE *in, *out; | |
582 | char buf[BUFSIZE]; | |
583 | char buff[BUFSIZE]; | |
584 | char temppath[BUFSIZE]; | |
585 | const char *filename; | |
586 | const char *gecos; | |
587 | mode_t oldumask; | |
588 | char *p; | |
589 | int error_on_write = 0; | |
590 | int found_xline = 0; | |
591 | ||
592 | filename = ConfigFileEntry.xlinefile; | |
593 | ircsnprintf(temppath, sizeof(temppath), | |
594 | "%s.tmp", ConfigFileEntry.xlinefile); | |
595 | ||
596 | if((in = fopen(filename, "r")) == NULL) | |
597 | { | |
598 | sendto_one_notice(source_p, ":Cannot open %s", filename); | |
599 | return; | |
600 | } | |
601 | ||
602 | oldumask = umask(0); | |
603 | ||
604 | if((out = fopen(temppath, "w")) == NULL) | |
605 | { | |
606 | sendto_one_notice(source_p, ":Cannot open %s", temppath); | |
607 | fclose(in); | |
608 | umask(oldumask); | |
609 | return; | |
610 | } | |
611 | ||
612 | umask(oldumask); | |
613 | ||
614 | while (fgets(buf, sizeof(buf), in)) | |
615 | { | |
616 | if(error_on_write) | |
617 | { | |
618 | if(temppath != NULL) | |
619 | (void) unlink(temppath); | |
620 | ||
621 | break; | |
622 | } | |
623 | ||
624 | strlcpy(buff, buf, sizeof(buff)); | |
625 | ||
626 | if((p = strchr(buff, '\n')) != NULL) | |
627 | *p = '\0'; | |
628 | ||
629 | if((*buff == '\0') || (*buff == '#')) | |
630 | { | |
631 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
632 | continue; | |
633 | } | |
634 | ||
635 | if((gecos = getfield(buff)) == NULL) | |
636 | { | |
637 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
638 | continue; | |
639 | } | |
640 | ||
641 | /* matching.. */ | |
642 | if(irccmp(gecos, huntgecos) == 0) | |
643 | found_xline++; | |
644 | else | |
645 | error_on_write = (fputs(buf, out) < 0) ? YES : NO; | |
646 | } | |
647 | ||
648 | fclose(in); | |
649 | if (fclose(out)) | |
650 | error_on_write = YES; | |
651 | ||
652 | if(error_on_write) | |
653 | { | |
654 | sendto_one_notice(source_p, | |
655 | ":Couldn't write temp xline file, aborted"); | |
656 | return; | |
657 | } | |
658 | else if(found_xline == 0) | |
659 | { | |
660 | sendto_one_notice(source_p, ":No X-Line for %s", huntgecos); | |
661 | ||
662 | if(temppath != NULL) | |
663 | (void) unlink(temppath); | |
664 | return; | |
665 | } | |
666 | ||
667 | if (rename(temppath, filename)) | |
668 | { | |
669 | sendto_one_notice(source_p, ":Couldn't rename temp file, aborted"); | |
670 | return; | |
671 | } | |
672 | rehash_bans(0); | |
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 | } |