xref: /freebsd/contrib/unbound/util/fptr_wlist.c (revision 53b70c86)
1 /*
2  * util/fptr_wlist.c - function pointer whitelists.
3  *
4  * Copyright (c) 2007, NLnet Labs. All rights reserved.
5  *
6  * This software is open source.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * Neither the name of the NLNET LABS nor the names of its contributors may
20  * be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 /**
37  * \file
38  *
39  * This file contains functions that check function pointers.
40  * The functions contain a whitelist of known good callback values.
41  * Any other values lead to an error.
42  *
43  * Due to the listing nature, this file violates all the modularization
44  * boundaries in the program.
45  */
46 #include "config.h"
47 #include "util/fptr_wlist.h"
48 #include "util/mini_event.h"
49 #include "services/outside_network.h"
50 #include "services/mesh.h"
51 #include "services/localzone.h"
52 #include "services/authzone.h"
53 #include "services/cache/infra.h"
54 #include "services/cache/rrset.h"
55 #include "services/view.h"
56 #include "dns64/dns64.h"
57 #include "iterator/iterator.h"
58 #include "iterator/iter_fwd.h"
59 #include "validator/validator.h"
60 #include "validator/val_anchor.h"
61 #include "validator/val_nsec3.h"
62 #include "validator/val_sigcrypt.h"
63 #include "validator/val_kentry.h"
64 #include "validator/val_neg.h"
65 #include "validator/autotrust.h"
66 #include "util/data/msgreply.h"
67 #include "util/data/packed_rrset.h"
68 #include "util/storage/slabhash.h"
69 #include "util/storage/dnstree.h"
70 #include "util/locks.h"
71 #include "libunbound/libworker.h"
72 #include "libunbound/context.h"
73 #include "libunbound/worker.h"
74 #include "util/tube.h"
75 #include "util/config_file.h"
76 #ifdef UB_ON_WINDOWS
77 #include "winrc/win_svc.h"
78 #endif
79 #include "respip/respip.h"
80 
81 #ifdef WITH_PYTHONMODULE
82 #include "pythonmod/pythonmod.h"
83 #endif
84 #ifdef WITH_DYNLIBMODULE
85 #include "dynlibmod/dynlibmod.h"
86 #endif
87 #ifdef USE_CACHEDB
88 #include "cachedb/cachedb.h"
89 #endif
90 #ifdef USE_IPSECMOD
91 #include "ipsecmod/ipsecmod.h"
92 #endif
93 #ifdef CLIENT_SUBNET
94 #include "edns-subnet/subnetmod.h"
95 #endif
96 #ifdef USE_IPSET
97 #include "ipset/ipset.h"
98 #endif
99 #ifdef USE_DNSTAP
100 #include "dnstap/dtstream.h"
101 #endif
102 
103 int
104 fptr_whitelist_comm_point(comm_point_callback_type *fptr)
105 {
106 	if(fptr == &worker_handle_request) return 1;
107 	else if(fptr == &outnet_udp_cb) return 1;
108 	else if(fptr == &outnet_tcp_cb) return 1;
109 	else if(fptr == &tube_handle_listen) return 1;
110 	else if(fptr == &auth_xfer_probe_udp_callback) return 1;
111 	else if(fptr == &auth_xfer_transfer_tcp_callback) return 1;
112 	else if(fptr == &auth_xfer_transfer_http_callback) return 1;
113 	return 0;
114 }
115 
116 int
117 fptr_whitelist_comm_point_raw(comm_point_callback_type *fptr)
118 {
119 	if(fptr == &tube_handle_listen) return 1;
120 	else if(fptr == &tube_handle_write) return 1;
121 	else if(fptr == &remote_accept_callback) return 1;
122 	else if(fptr == &remote_control_callback) return 1;
123 	return 0;
124 }
125 
126 int
127 fptr_whitelist_comm_timer(void (*fptr)(void*))
128 {
129 	if(fptr == &pending_udp_timer_cb) return 1;
130 	else if(fptr == &outnet_tcptimer) return 1;
131 	else if(fptr == &pending_udp_timer_delay_cb) return 1;
132 	else if(fptr == &worker_stat_timer_cb) return 1;
133 	else if(fptr == &worker_probe_timer_cb) return 1;
134 #ifdef UB_ON_WINDOWS
135 	else if(fptr == &wsvc_cron_cb) return 1;
136 #endif
137 	else if(fptr == &auth_xfer_timer) return 1;
138 	else if(fptr == &auth_xfer_probe_timer_callback) return 1;
139 	else if(fptr == &auth_xfer_transfer_timer_callback) return 1;
140 	else if(fptr == &mesh_serve_expired_callback) return 1;
141 #ifdef USE_DNSTAP
142 	else if(fptr == &mq_wakeup_cb) return 1;
143 #endif
144 	return 0;
145 }
146 
147 int
148 fptr_whitelist_comm_signal(void (*fptr)(int, void*))
149 {
150 	if(fptr == &worker_sighandler) return 1;
151 	return 0;
152 }
153 
154 int fptr_whitelist_start_accept(void (*fptr)(void*))
155 {
156 	if(fptr == &worker_start_accept) return 1;
157 	return 0;
158 }
159 
160 int fptr_whitelist_stop_accept(void (*fptr)(void*))
161 {
162 	if(fptr == &worker_stop_accept) return 1;
163 	return 0;
164 }
165 
166 int
167 fptr_whitelist_event(void (*fptr)(int, short, void *))
168 {
169 	if(fptr == &comm_point_udp_callback) return 1;
170 	else if(fptr == &comm_point_udp_ancil_callback) return 1;
171 	else if(fptr == &comm_point_tcp_accept_callback) return 1;
172 	else if(fptr == &comm_point_tcp_handle_callback) return 1;
173 	else if(fptr == &comm_timer_callback) return 1;
174 	else if(fptr == &comm_signal_callback) return 1;
175 	else if(fptr == &comm_point_local_handle_callback) return 1;
176 	else if(fptr == &comm_point_raw_handle_callback) return 1;
177 	else if(fptr == &tube_handle_signal) return 1;
178 	else if(fptr == &comm_base_handle_slow_accept) return 1;
179 	else if(fptr == &comm_point_http_handle_callback) return 1;
180 #ifdef USE_DNSTAP
181 	else if(fptr == &dtio_output_cb) return 1;
182 	else if(fptr == &dtio_cmd_cb) return 1;
183 	else if(fptr == &dtio_reconnect_timeout_cb) return 1;
184 	else if(fptr == &dtio_stop_timer_cb) return 1;
185 	else if(fptr == &dtio_stop_ev_cb) return 1;
186 	else if(fptr == &dtio_tap_callback) return 1;
187 	else if(fptr == &dtio_mainfdcallback) return 1;
188 #endif
189 #ifdef UB_ON_WINDOWS
190 	else if(fptr == &worker_win_stop_cb) return 1;
191 #endif
192 	return 0;
193 }
194 
195 int
196 fptr_whitelist_pending_udp(comm_point_callback_type *fptr)
197 {
198 	if(fptr == &serviced_udp_callback) return 1;
199 	return 0;
200 }
201 
202 int
203 fptr_whitelist_pending_tcp(comm_point_callback_type *fptr)
204 {
205 	if(fptr == &serviced_tcp_callback) return 1;
206 	return 0;
207 }
208 
209 int
210 fptr_whitelist_serviced_query(comm_point_callback_type *fptr)
211 {
212 	if(fptr == &worker_handle_service_reply) return 1;
213 	else if(fptr == &libworker_handle_service_reply) return 1;
214 	return 0;
215 }
216 
217 int
218 fptr_whitelist_rbtree_cmp(int (*fptr) (const void *, const void *))
219 {
220 	if(fptr == &mesh_state_compare) return 1;
221 	else if(fptr == &mesh_state_ref_compare) return 1;
222 	else if(fptr == &addr_tree_compare) return 1;
223 	else if(fptr == &local_zone_cmp) return 1;
224 	else if(fptr == &local_data_cmp) return 1;
225 	else if(fptr == &fwd_cmp) return 1;
226 	else if(fptr == &pending_cmp) return 1;
227 	else if(fptr == &serviced_cmp) return 1;
228 	else if(fptr == &reuse_cmp) return 1;
229 	else if(fptr == &reuse_id_cmp) return 1;
230 	else if(fptr == &name_tree_compare) return 1;
231 	else if(fptr == &order_lock_cmp) return 1;
232 	else if(fptr == &codeline_cmp) return 1;
233 	else if(fptr == &nsec3_hash_cmp) return 1;
234 	else if(fptr == &mini_ev_cmp) return 1;
235 	else if(fptr == &anchor_cmp) return 1;
236 	else if(fptr == &canonical_tree_compare) return 1;
237 	else if(fptr == &context_query_cmp) return 1;
238 	else if(fptr == &val_neg_data_compare) return 1;
239 	else if(fptr == &val_neg_zone_compare) return 1;
240 	else if(fptr == &probetree_cmp) return 1;
241 	else if(fptr == &replay_var_compare) return 1;
242 	else if(fptr == &view_cmp) return 1;
243 	else if(fptr == &auth_zone_cmp) return 1;
244 	else if(fptr == &auth_data_cmp) return 1;
245 	else if(fptr == &auth_xfer_cmp) return 1;
246 	return 0;
247 }
248 
249 int
250 fptr_whitelist_hash_sizefunc(lruhash_sizefunc_type fptr)
251 {
252 	if(fptr == &msgreply_sizefunc) return 1;
253 	else if(fptr == &ub_rrset_sizefunc) return 1;
254 	else if(fptr == &infra_sizefunc) return 1;
255 	else if(fptr == &key_entry_sizefunc) return 1;
256 	else if(fptr == &rate_sizefunc) return 1;
257 	else if(fptr == &ip_rate_sizefunc) return 1;
258 	else if(fptr == &test_slabhash_sizefunc) return 1;
259 #ifdef CLIENT_SUBNET
260 	else if(fptr == &msg_cache_sizefunc) return 1;
261 #endif
262 #ifdef USE_DNSCRYPT
263 	else if(fptr == &dnsc_shared_secrets_sizefunc) return 1;
264 	else if(fptr == &dnsc_nonces_sizefunc) return 1;
265 #endif
266 	return 0;
267 }
268 
269 int
270 fptr_whitelist_hash_compfunc(lruhash_compfunc_type fptr)
271 {
272 	if(fptr == &query_info_compare) return 1;
273 	else if(fptr == &ub_rrset_compare) return 1;
274 	else if(fptr == &infra_compfunc) return 1;
275 	else if(fptr == &key_entry_compfunc) return 1;
276 	else if(fptr == &rate_compfunc) return 1;
277 	else if(fptr == &ip_rate_compfunc) return 1;
278 	else if(fptr == &test_slabhash_compfunc) return 1;
279 #ifdef USE_DNSCRYPT
280 	else if(fptr == &dnsc_shared_secrets_compfunc) return 1;
281 	else if(fptr == &dnsc_nonces_compfunc) return 1;
282 #endif
283 	return 0;
284 }
285 
286 int
287 fptr_whitelist_hash_delkeyfunc(lruhash_delkeyfunc_type fptr)
288 {
289 	if(fptr == &query_entry_delete) return 1;
290 	else if(fptr == &ub_rrset_key_delete) return 1;
291 	else if(fptr == &infra_delkeyfunc) return 1;
292 	else if(fptr == &key_entry_delkeyfunc) return 1;
293 	else if(fptr == &rate_delkeyfunc) return 1;
294 	else if(fptr == &ip_rate_delkeyfunc) return 1;
295 	else if(fptr == &test_slabhash_delkey) return 1;
296 #ifdef USE_DNSCRYPT
297 	else if(fptr == &dnsc_shared_secrets_delkeyfunc) return 1;
298 	else if(fptr == &dnsc_nonces_delkeyfunc) return 1;
299 #endif
300 	return 0;
301 }
302 
303 int
304 fptr_whitelist_hash_deldatafunc(lruhash_deldatafunc_type fptr)
305 {
306 	if(fptr == &reply_info_delete) return 1;
307 	else if(fptr == &rrset_data_delete) return 1;
308 	else if(fptr == &infra_deldatafunc) return 1;
309 	else if(fptr == &key_entry_deldatafunc) return 1;
310 	else if(fptr == &rate_deldatafunc) return 1;
311 	else if(fptr == &test_slabhash_deldata) return 1;
312 #ifdef CLIENT_SUBNET
313 	else if(fptr == &subnet_data_delete) return 1;
314 #endif
315 #ifdef USE_DNSCRYPT
316 	else if(fptr == &dnsc_shared_secrets_deldatafunc) return 1;
317 	else if(fptr == &dnsc_nonces_deldatafunc) return 1;
318 #endif
319 	return 0;
320 }
321 
322 int
323 fptr_whitelist_hash_markdelfunc(lruhash_markdelfunc_type fptr)
324 {
325 	if(fptr == NULL) return 1;
326 	else if(fptr == &rrset_markdel) return 1;
327 #ifdef CLIENT_SUBNET
328 	else if(fptr == &subnet_markdel) return 1;
329 #endif
330 	return 0;
331 }
332 
333 /** whitelist env->send_query callbacks */
334 int
335 fptr_whitelist_modenv_send_query(struct outbound_entry* (*fptr)(
336 	struct query_info* qinfo, uint16_t flags, int dnssec, int want_dnssec,
337 	int nocaps, struct sockaddr_storage* addr, socklen_t addrlen,
338 	uint8_t* zone, size_t zonelen, int ssl_upstream, char* tls_auth_name,
339 	struct module_qstate* q))
340 {
341 	if(fptr == &worker_send_query) return 1;
342 	else if(fptr == &libworker_send_query) return 1;
343 	return 0;
344 }
345 
346 int
347 fptr_whitelist_modenv_detach_subs(void (*fptr)(
348         struct module_qstate* qstate))
349 {
350 	if(fptr == &mesh_detach_subs) return 1;
351 	return 0;
352 }
353 
354 int
355 fptr_whitelist_modenv_attach_sub(int (*fptr)(
356         struct module_qstate* qstate, struct query_info* qinfo,
357         uint16_t qflags, int prime, int valrec, struct module_qstate** newq))
358 {
359 	if(fptr == &mesh_attach_sub) return 1;
360 	return 0;
361 }
362 
363 int
364 fptr_whitelist_modenv_add_sub(int (*fptr)(
365         struct module_qstate* qstate, struct query_info* qinfo,
366         uint16_t qflags, int prime, int valrec, struct module_qstate** newq,
367 	struct mesh_state** sub))
368 {
369 	if(fptr == &mesh_add_sub) return 1;
370 	return 0;
371 }
372 
373 int
374 fptr_whitelist_modenv_kill_sub(void (*fptr)(struct module_qstate* newq))
375 {
376 	if(fptr == &mesh_state_delete) return 1;
377 	return 0;
378 }
379 
380 int
381 fptr_whitelist_modenv_detect_cycle(int (*fptr)(
382 	struct module_qstate* qstate, struct query_info* qinfo,
383 	uint16_t flags, int prime, int valrec))
384 {
385 	if(fptr == &mesh_detect_cycle) return 1;
386 	return 0;
387 }
388 
389 int
390 fptr_whitelist_mod_init(int (*fptr)(struct module_env* env, int id))
391 {
392 	if(fptr == &iter_init) return 1;
393 	else if(fptr == &val_init) return 1;
394 	else if(fptr == &dns64_init) return 1;
395 	else if(fptr == &respip_init) return 1;
396 #ifdef WITH_PYTHONMODULE
397 	else if(fptr == &pythonmod_init) return 1;
398 #endif
399 #ifdef WITH_DYNLIBMODULE
400 	else if(fptr == &dynlibmod_init) return 1;
401 #endif
402 #ifdef USE_CACHEDB
403 	else if(fptr == &cachedb_init) return 1;
404 #endif
405 #ifdef USE_IPSECMOD
406 	else if(fptr == &ipsecmod_init) return 1;
407 #endif
408 #ifdef CLIENT_SUBNET
409 	else if(fptr == &subnetmod_init) return 1;
410 #endif
411 #ifdef USE_IPSET
412 	else if(fptr == &ipset_init) return 1;
413 #endif
414 	return 0;
415 }
416 
417 int
418 fptr_whitelist_mod_deinit(void (*fptr)(struct module_env* env, int id))
419 {
420 	if(fptr == &iter_deinit) return 1;
421 	else if(fptr == &val_deinit) return 1;
422 	else if(fptr == &dns64_deinit) return 1;
423 	else if(fptr == &respip_deinit) return 1;
424 #ifdef WITH_PYTHONMODULE
425 	else if(fptr == &pythonmod_deinit) return 1;
426 #endif
427 #ifdef WITH_DYNLIBMODULE
428 	else if(fptr == &dynlibmod_deinit) return 1;
429 #endif
430 #ifdef USE_CACHEDB
431 	else if(fptr == &cachedb_deinit) return 1;
432 #endif
433 #ifdef USE_IPSECMOD
434 	else if(fptr == &ipsecmod_deinit) return 1;
435 #endif
436 #ifdef CLIENT_SUBNET
437 	else if(fptr == &subnetmod_deinit) return 1;
438 #endif
439 #ifdef USE_IPSET
440 	else if(fptr == &ipset_deinit) return 1;
441 #endif
442 	return 0;
443 }
444 
445 int
446 fptr_whitelist_mod_operate(void (*fptr)(struct module_qstate* qstate,
447         enum module_ev event, int id, struct outbound_entry* outbound))
448 {
449 	if(fptr == &iter_operate) return 1;
450 	else if(fptr == &val_operate) return 1;
451 	else if(fptr == &dns64_operate) return 1;
452 	else if(fptr == &respip_operate) return 1;
453 #ifdef WITH_PYTHONMODULE
454 	else if(fptr == &pythonmod_operate) return 1;
455 #endif
456 #ifdef WITH_DYNLIBMODULE
457 	else if(fptr == &dynlibmod_operate) return 1;
458 #endif
459 #ifdef USE_CACHEDB
460 	else if(fptr == &cachedb_operate) return 1;
461 #endif
462 #ifdef USE_IPSECMOD
463 	else if(fptr == &ipsecmod_operate) return 1;
464 #endif
465 #ifdef CLIENT_SUBNET
466 	else if(fptr == &subnetmod_operate) return 1;
467 #endif
468 #ifdef USE_IPSET
469 	else if(fptr == &ipset_operate) return 1;
470 #endif
471 	return 0;
472 }
473 
474 int
475 fptr_whitelist_mod_inform_super(void (*fptr)(
476         struct module_qstate* qstate, int id, struct module_qstate* super))
477 {
478 	if(fptr == &iter_inform_super) return 1;
479 	else if(fptr == &val_inform_super) return 1;
480 	else if(fptr == &dns64_inform_super) return 1;
481 	else if(fptr == &respip_inform_super) return 1;
482 #ifdef WITH_PYTHONMODULE
483 	else if(fptr == &pythonmod_inform_super) return 1;
484 #endif
485 #ifdef WITH_DYNLIBMODULE
486 	else if(fptr == &dynlibmod_inform_super) return 1;
487 #endif
488 #ifdef USE_CACHEDB
489 	else if(fptr == &cachedb_inform_super) return 1;
490 #endif
491 #ifdef USE_IPSECMOD
492 	else if(fptr == &ipsecmod_inform_super) return 1;
493 #endif
494 #ifdef CLIENT_SUBNET
495 	else if(fptr == &subnetmod_inform_super) return 1;
496 #endif
497 #ifdef USE_IPSET
498 	else if(fptr == &ipset_inform_super) return 1;
499 #endif
500 	return 0;
501 }
502 
503 int
504 fptr_whitelist_mod_clear(void (*fptr)(struct module_qstate* qstate,
505         int id))
506 {
507 	if(fptr == &iter_clear) return 1;
508 	else if(fptr == &val_clear) return 1;
509 	else if(fptr == &dns64_clear) return 1;
510 	else if(fptr == &respip_clear) return 1;
511 #ifdef WITH_PYTHONMODULE
512 	else if(fptr == &pythonmod_clear) return 1;
513 #endif
514 #ifdef WITH_DYNLIBMODULE
515 	else if(fptr == &dynlibmod_clear) return 1;
516 #endif
517 #ifdef USE_CACHEDB
518 	else if(fptr == &cachedb_clear) return 1;
519 #endif
520 #ifdef USE_IPSECMOD
521 	else if(fptr == &ipsecmod_clear) return 1;
522 #endif
523 #ifdef CLIENT_SUBNET
524 	else if(fptr == &subnetmod_clear) return 1;
525 #endif
526 #ifdef USE_IPSET
527 	else if(fptr == &ipset_clear) return 1;
528 #endif
529 	return 0;
530 }
531 
532 int
533 fptr_whitelist_mod_get_mem(size_t (*fptr)(struct module_env* env, int id))
534 {
535 	if(fptr == &iter_get_mem) return 1;
536 	else if(fptr == &val_get_mem) return 1;
537 	else if(fptr == &dns64_get_mem) return 1;
538 	else if(fptr == &respip_get_mem) return 1;
539 #ifdef WITH_PYTHONMODULE
540 	else if(fptr == &pythonmod_get_mem) return 1;
541 #endif
542 #ifdef WITH_DYNLIBMODULE
543 	else if(fptr == &dynlibmod_get_mem) return 1;
544 #endif
545 #ifdef USE_CACHEDB
546 	else if(fptr == &cachedb_get_mem) return 1;
547 #endif
548 #ifdef USE_IPSECMOD
549 	else if(fptr == &ipsecmod_get_mem) return 1;
550 #endif
551 #ifdef CLIENT_SUBNET
552 	else if(fptr == &subnetmod_get_mem) return 1;
553 #endif
554 #ifdef USE_IPSET
555 	else if(fptr == &ipset_get_mem) return 1;
556 #endif
557 	return 0;
558 }
559 
560 int
561 fptr_whitelist_alloc_cleanup(void (*fptr)(void*))
562 {
563 	if(fptr == &worker_alloc_cleanup) return 1;
564 	return 0;
565 }
566 
567 int fptr_whitelist_tube_listen(tube_callback_type* fptr)
568 {
569 	if(fptr == &worker_handle_control_cmd) return 1;
570 	else if(fptr == &libworker_handle_control_cmd) return 1;
571 	return 0;
572 }
573 
574 int fptr_whitelist_mesh_cb(mesh_cb_func_type fptr)
575 {
576 	if(fptr == &libworker_fg_done_cb) return 1;
577 	else if(fptr == &libworker_bg_done_cb) return 1;
578 	else if(fptr == &libworker_event_done_cb) return 1;
579 	else if(fptr == &probe_answer_cb) return 1;
580 	else if(fptr == &auth_xfer_probe_lookup_callback) return 1;
581 	else if(fptr == &auth_xfer_transfer_lookup_callback) return 1;
582 	else if(fptr == &auth_zonemd_dnskey_lookup_callback) return 1;
583 	return 0;
584 }
585 
586 int fptr_whitelist_print_func(void (*fptr)(char*,void*))
587 {
588 	if(fptr == &config_print_func) return 1;
589 	else if(fptr == &config_collate_func) return 1;
590 	else if(fptr == &remote_get_opt_ssl) return 1;
591 	return 0;
592 }
593 
594 int fptr_whitelist_inplace_cb_reply_generic(inplace_cb_reply_func_type* fptr,
595 	enum inplace_cb_list_type type)
596 {
597 #ifndef WITH_PYTHONMODULE
598 	(void)fptr;
599 #endif
600 	if(type == inplace_cb_reply) {
601 #ifdef WITH_PYTHONMODULE
602 		if(fptr == &python_inplace_cb_reply_generic) return 1;
603 #endif
604 #ifdef WITH_DYNLIBMODULE
605 		if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
606 #endif
607 	} else if(type == inplace_cb_reply_cache) {
608 #ifdef WITH_PYTHONMODULE
609 		if(fptr == &python_inplace_cb_reply_generic) return 1;
610 #endif
611 #ifdef WITH_DYNLIBMODULE
612 		if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
613 #endif
614 	} else if(type == inplace_cb_reply_local) {
615 #ifdef WITH_PYTHONMODULE
616 		if(fptr == &python_inplace_cb_reply_generic) return 1;
617 #endif
618 #ifdef WITH_DYNLIBMODULE
619 		if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
620 #endif
621 	} else if(type == inplace_cb_reply_servfail) {
622 #ifdef WITH_PYTHONMODULE
623 		if(fptr == &python_inplace_cb_reply_generic) return 1;
624 #endif
625 #ifdef WITH_DYNLIBMODULE
626 		if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
627 #endif
628 	}
629 	return 0;
630 }
631 
632 int fptr_whitelist_inplace_cb_query(inplace_cb_query_func_type* fptr)
633 {
634 #ifdef CLIENT_SUBNET
635 	if(fptr == &ecs_whitelist_check)
636 		return 1;
637 #endif
638 #ifdef WITH_PYTHONMODULE
639         if(fptr == &python_inplace_cb_query_generic)
640                 return 1;
641 #endif
642 #ifdef WITH_DYNLIBMODULE
643         if(fptr == &dynlib_inplace_cb_query_generic)
644                 return 1;
645 #endif
646 	(void)fptr;
647 	return 0;
648 }
649 
650 int fptr_whitelist_inplace_cb_edns_back_parsed(
651 	inplace_cb_edns_back_parsed_func_type* fptr)
652 {
653 #ifdef CLIENT_SUBNET
654 	if(fptr == &ecs_edns_back_parsed)
655 		return 1;
656 #else
657 	(void)fptr;
658 #endif
659 #ifdef WITH_DYNLIBMODULE
660     if(fptr == &dynlib_inplace_cb_edns_back_parsed)
661             return 1;
662 #endif
663 	return 0;
664 }
665 
666 int fptr_whitelist_inplace_cb_query_response(
667 	inplace_cb_query_response_func_type* fptr)
668 {
669 #ifdef CLIENT_SUBNET
670 	if(fptr == &ecs_query_response)
671 		return 1;
672 #else
673 	(void)fptr;
674 #endif
675 #ifdef WITH_DYNLIBMODULE
676     if(fptr == &dynlib_inplace_cb_query_response)
677             return 1;
678 #endif
679 	return 0;
680 }
681 
682 int fptr_whitelist_serve_expired_lookup(serve_expired_lookup_func_type* fptr)
683 {
684 	if(fptr == &mesh_serve_expired_lookup)
685 		return 1;
686 	return 0;
687 }
688