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
fptr_whitelist_comm_point(comm_point_callback_type * fptr)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
fptr_whitelist_comm_point_raw(comm_point_callback_type * fptr)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
fptr_whitelist_comm_timer(void (* fptr)(void *))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 else if(fptr == &validate_suspend_timer_cb) return 1;
135 #ifdef UB_ON_WINDOWS
136 else if(fptr == &wsvc_cron_cb) return 1;
137 #endif
138 else if(fptr == &auth_xfer_timer) return 1;
139 else if(fptr == &auth_xfer_probe_timer_callback) return 1;
140 else if(fptr == &auth_xfer_transfer_timer_callback) return 1;
141 else if(fptr == &mesh_serve_expired_callback) return 1;
142 else if(fptr == &serviced_timer_cb) return 1;
143 #ifdef USE_DNSTAP
144 else if(fptr == &mq_wakeup_cb) return 1;
145 #endif
146 return 0;
147 }
148
149 int
fptr_whitelist_comm_signal(void (* fptr)(int,void *))150 fptr_whitelist_comm_signal(void (*fptr)(int, void*))
151 {
152 if(fptr == &worker_sighandler) return 1;
153 return 0;
154 }
155
fptr_whitelist_start_accept(void (* fptr)(void *))156 int fptr_whitelist_start_accept(void (*fptr)(void*))
157 {
158 if(fptr == &worker_start_accept) return 1;
159 return 0;
160 }
161
fptr_whitelist_stop_accept(void (* fptr)(void *))162 int fptr_whitelist_stop_accept(void (*fptr)(void*))
163 {
164 if(fptr == &worker_stop_accept) return 1;
165 return 0;
166 }
167
168 int
fptr_whitelist_event(void (* fptr)(int,short,void *))169 fptr_whitelist_event(void (*fptr)(int, short, void *))
170 {
171 if(fptr == &comm_point_udp_callback) return 1;
172 #if defined(AF_INET6) && defined(IPV6_PKTINFO) && defined(HAVE_RECVMSG)
173 else if(fptr == &comm_point_udp_ancil_callback) return 1;
174 #endif
175 else if(fptr == &comm_point_tcp_accept_callback) return 1;
176 else if(fptr == &comm_point_tcp_handle_callback) return 1;
177 else if(fptr == &comm_timer_callback) return 1;
178 else if(fptr == &comm_signal_callback) return 1;
179 else if(fptr == &comm_point_local_handle_callback) return 1;
180 else if(fptr == &comm_point_raw_handle_callback) return 1;
181 else if(fptr == &tube_handle_signal) return 1;
182 else if(fptr == &comm_base_handle_slow_accept) return 1;
183 else if(fptr == &comm_point_http_handle_callback) return 1;
184 #ifdef USE_DNSTAP
185 else if(fptr == &dtio_output_cb) return 1;
186 else if(fptr == &dtio_cmd_cb) return 1;
187 else if(fptr == &dtio_reconnect_timeout_cb) return 1;
188 else if(fptr == &dtio_stop_timer_cb) return 1;
189 else if(fptr == &dtio_stop_ev_cb) return 1;
190 else if(fptr == &dtio_tap_callback) return 1;
191 else if(fptr == &dtio_mainfdcallback) return 1;
192 #endif
193 #ifdef UB_ON_WINDOWS
194 else if(fptr == &worker_win_stop_cb) return 1;
195 #endif
196 return 0;
197 }
198
199 int
fptr_whitelist_pending_udp(comm_point_callback_type * fptr)200 fptr_whitelist_pending_udp(comm_point_callback_type *fptr)
201 {
202 if(fptr == &serviced_udp_callback) return 1;
203 return 0;
204 }
205
206 int
fptr_whitelist_pending_tcp(comm_point_callback_type * fptr)207 fptr_whitelist_pending_tcp(comm_point_callback_type *fptr)
208 {
209 if(fptr == &serviced_tcp_callback) return 1;
210 return 0;
211 }
212
213 int
fptr_whitelist_serviced_query(comm_point_callback_type * fptr)214 fptr_whitelist_serviced_query(comm_point_callback_type *fptr)
215 {
216 if(fptr == &worker_handle_service_reply) return 1;
217 else if(fptr == &libworker_handle_service_reply) return 1;
218 return 0;
219 }
220
221 int
fptr_whitelist_rbtree_cmp(int (* fptr)(const void *,const void *))222 fptr_whitelist_rbtree_cmp(int (*fptr) (const void *, const void *))
223 {
224 if(fptr == &mesh_state_compare) return 1;
225 else if(fptr == &mesh_state_ref_compare) return 1;
226 else if(fptr == &addr_tree_compare) return 1;
227 else if(fptr == &addr_tree_addrport_compare) return 1;
228 else if(fptr == &local_zone_cmp) return 1;
229 else if(fptr == &local_data_cmp) return 1;
230 else if(fptr == &fwd_cmp) return 1;
231 else if(fptr == &pending_cmp) return 1;
232 else if(fptr == &serviced_cmp) return 1;
233 else if(fptr == &reuse_cmp) return 1;
234 else if(fptr == &reuse_id_cmp) return 1;
235 else if(fptr == &name_tree_compare) return 1;
236 else if(fptr == &order_lock_cmp) return 1;
237 else if(fptr == &codeline_cmp) return 1;
238 else if(fptr == &nsec3_hash_cmp) return 1;
239 else if(fptr == &mini_ev_cmp) return 1;
240 else if(fptr == &anchor_cmp) return 1;
241 else if(fptr == &canonical_tree_compare) return 1;
242 else if(fptr == &context_query_cmp) return 1;
243 else if(fptr == &val_neg_data_compare) return 1;
244 else if(fptr == &val_neg_zone_compare) return 1;
245 else if(fptr == &probetree_cmp) return 1;
246 else if(fptr == &replay_var_compare) return 1;
247 else if(fptr == &view_cmp) return 1;
248 else if(fptr == &auth_zone_cmp) return 1;
249 else if(fptr == &auth_data_cmp) return 1;
250 else if(fptr == &auth_xfer_cmp) return 1;
251 return 0;
252 }
253
254 int
fptr_whitelist_hash_sizefunc(lruhash_sizefunc_type fptr)255 fptr_whitelist_hash_sizefunc(lruhash_sizefunc_type fptr)
256 {
257 if(fptr == &msgreply_sizefunc) return 1;
258 else if(fptr == &ub_rrset_sizefunc) return 1;
259 else if(fptr == &infra_sizefunc) return 1;
260 else if(fptr == &key_entry_sizefunc) return 1;
261 else if(fptr == &rate_sizefunc) return 1;
262 else if(fptr == &ip_rate_sizefunc) return 1;
263 else if(fptr == &test_slabhash_sizefunc) return 1;
264 #ifdef CLIENT_SUBNET
265 else if(fptr == &msg_cache_sizefunc) return 1;
266 #endif
267 #ifdef USE_DNSCRYPT
268 else if(fptr == &dnsc_shared_secrets_sizefunc) return 1;
269 else if(fptr == &dnsc_nonces_sizefunc) return 1;
270 #endif
271 return 0;
272 }
273
274 int
fptr_whitelist_hash_compfunc(lruhash_compfunc_type fptr)275 fptr_whitelist_hash_compfunc(lruhash_compfunc_type fptr)
276 {
277 if(fptr == &query_info_compare) return 1;
278 else if(fptr == &ub_rrset_compare) return 1;
279 else if(fptr == &infra_compfunc) return 1;
280 else if(fptr == &key_entry_compfunc) return 1;
281 else if(fptr == &rate_compfunc) return 1;
282 else if(fptr == &ip_rate_compfunc) return 1;
283 else if(fptr == &test_slabhash_compfunc) return 1;
284 #ifdef USE_DNSCRYPT
285 else if(fptr == &dnsc_shared_secrets_compfunc) return 1;
286 else if(fptr == &dnsc_nonces_compfunc) return 1;
287 #endif
288 return 0;
289 }
290
291 int
fptr_whitelist_hash_delkeyfunc(lruhash_delkeyfunc_type fptr)292 fptr_whitelist_hash_delkeyfunc(lruhash_delkeyfunc_type fptr)
293 {
294 if(fptr == &query_entry_delete) return 1;
295 else if(fptr == &ub_rrset_key_delete) return 1;
296 else if(fptr == &infra_delkeyfunc) return 1;
297 else if(fptr == &key_entry_delkeyfunc) return 1;
298 else if(fptr == &rate_delkeyfunc) return 1;
299 else if(fptr == &ip_rate_delkeyfunc) return 1;
300 else if(fptr == &test_slabhash_delkey) return 1;
301 #ifdef USE_DNSCRYPT
302 else if(fptr == &dnsc_shared_secrets_delkeyfunc) return 1;
303 else if(fptr == &dnsc_nonces_delkeyfunc) return 1;
304 #endif
305 return 0;
306 }
307
308 int
fptr_whitelist_hash_deldatafunc(lruhash_deldatafunc_type fptr)309 fptr_whitelist_hash_deldatafunc(lruhash_deldatafunc_type fptr)
310 {
311 if(fptr == &reply_info_delete) return 1;
312 else if(fptr == &rrset_data_delete) return 1;
313 else if(fptr == &infra_deldatafunc) return 1;
314 else if(fptr == &key_entry_deldatafunc) return 1;
315 else if(fptr == &rate_deldatafunc) return 1;
316 else if(fptr == &test_slabhash_deldata) return 1;
317 #ifdef CLIENT_SUBNET
318 else if(fptr == &subnet_data_delete) return 1;
319 #endif
320 #ifdef USE_DNSCRYPT
321 else if(fptr == &dnsc_shared_secrets_deldatafunc) return 1;
322 else if(fptr == &dnsc_nonces_deldatafunc) return 1;
323 #endif
324 return 0;
325 }
326
327 int
fptr_whitelist_hash_markdelfunc(lruhash_markdelfunc_type fptr)328 fptr_whitelist_hash_markdelfunc(lruhash_markdelfunc_type fptr)
329 {
330 if(fptr == NULL) return 1;
331 else if(fptr == &rrset_markdel) return 1;
332 #ifdef CLIENT_SUBNET
333 else if(fptr == &subnet_markdel) return 1;
334 #endif
335 return 0;
336 }
337
338 /** whitelist env->send_query callbacks */
339 int
fptr_whitelist_modenv_send_query(struct outbound_entry * (* fptr)(struct query_info * qinfo,uint16_t flags,int dnssec,int want_dnssec,int nocaps,int check_ratelimit,struct sockaddr_storage * addr,socklen_t addrlen,uint8_t * zone,size_t zonelen,int tcp_upstream,int ssl_upstream,char * tls_auth_name,struct module_qstate * q,int * was_ratelimited))340 fptr_whitelist_modenv_send_query(struct outbound_entry* (*fptr)(
341 struct query_info* qinfo, uint16_t flags, int dnssec, int want_dnssec,
342 int nocaps, int check_ratelimit, struct sockaddr_storage* addr,
343 socklen_t addrlen, uint8_t* zone, size_t zonelen, int tcp_upstream,
344 int ssl_upstream, char* tls_auth_name, struct module_qstate* q,
345 int* was_ratelimited))
346 {
347 if(fptr == &worker_send_query) return 1;
348 else if(fptr == &libworker_send_query) return 1;
349 return 0;
350 }
351
352 int
fptr_whitelist_modenv_detach_subs(void (* fptr)(struct module_qstate * qstate))353 fptr_whitelist_modenv_detach_subs(void (*fptr)(
354 struct module_qstate* qstate))
355 {
356 if(fptr == &mesh_detach_subs) return 1;
357 return 0;
358 }
359
360 int
fptr_whitelist_modenv_attach_sub(int (* fptr)(struct module_qstate * qstate,struct query_info * qinfo,uint16_t qflags,int prime,int valrec,struct module_qstate ** newq))361 fptr_whitelist_modenv_attach_sub(int (*fptr)(
362 struct module_qstate* qstate, struct query_info* qinfo,
363 uint16_t qflags, int prime, int valrec, struct module_qstate** newq))
364 {
365 if(fptr == &mesh_attach_sub) return 1;
366 return 0;
367 }
368
369 int
fptr_whitelist_modenv_add_sub(int (* fptr)(struct module_qstate * qstate,struct query_info * qinfo,uint16_t qflags,int prime,int valrec,struct module_qstate ** newq,struct mesh_state ** sub))370 fptr_whitelist_modenv_add_sub(int (*fptr)(
371 struct module_qstate* qstate, struct query_info* qinfo,
372 uint16_t qflags, int prime, int valrec, struct module_qstate** newq,
373 struct mesh_state** sub))
374 {
375 if(fptr == &mesh_add_sub) return 1;
376 return 0;
377 }
378
379 int
fptr_whitelist_modenv_kill_sub(void (* fptr)(struct module_qstate * newq))380 fptr_whitelist_modenv_kill_sub(void (*fptr)(struct module_qstate* newq))
381 {
382 if(fptr == &mesh_state_delete) return 1;
383 return 0;
384 }
385
386 int
fptr_whitelist_modenv_detect_cycle(int (* fptr)(struct module_qstate * qstate,struct query_info * qinfo,uint16_t flags,int prime,int valrec))387 fptr_whitelist_modenv_detect_cycle(int (*fptr)(
388 struct module_qstate* qstate, struct query_info* qinfo,
389 uint16_t flags, int prime, int valrec))
390 {
391 if(fptr == &mesh_detect_cycle) return 1;
392 return 0;
393 }
394
395 int
fptr_whitelist_mod_init(int (* fptr)(struct module_env * env,int id))396 fptr_whitelist_mod_init(int (*fptr)(struct module_env* env, int id))
397 {
398 if(fptr == &iter_init) return 1;
399 else if(fptr == &val_init) return 1;
400 else if(fptr == &dns64_init) return 1;
401 else if(fptr == &respip_init) return 1;
402 #ifdef WITH_PYTHONMODULE
403 else if(fptr == &pythonmod_init) return 1;
404 #endif
405 #ifdef WITH_DYNLIBMODULE
406 else if(fptr == &dynlibmod_init) return 1;
407 #endif
408 #ifdef USE_CACHEDB
409 else if(fptr == &cachedb_init) return 1;
410 #endif
411 #ifdef USE_IPSECMOD
412 else if(fptr == &ipsecmod_init) return 1;
413 #endif
414 #ifdef CLIENT_SUBNET
415 else if(fptr == &subnetmod_init) return 1;
416 #endif
417 #ifdef USE_IPSET
418 else if(fptr == &ipset_init) return 1;
419 #endif
420 return 0;
421 }
422
423 int
fptr_whitelist_mod_deinit(void (* fptr)(struct module_env * env,int id))424 fptr_whitelist_mod_deinit(void (*fptr)(struct module_env* env, int id))
425 {
426 if(fptr == &iter_deinit) return 1;
427 else if(fptr == &val_deinit) return 1;
428 else if(fptr == &dns64_deinit) return 1;
429 else if(fptr == &respip_deinit) return 1;
430 #ifdef WITH_PYTHONMODULE
431 else if(fptr == &pythonmod_deinit) return 1;
432 #endif
433 #ifdef WITH_DYNLIBMODULE
434 else if(fptr == &dynlibmod_deinit) return 1;
435 #endif
436 #ifdef USE_CACHEDB
437 else if(fptr == &cachedb_deinit) return 1;
438 #endif
439 #ifdef USE_IPSECMOD
440 else if(fptr == &ipsecmod_deinit) return 1;
441 #endif
442 #ifdef CLIENT_SUBNET
443 else if(fptr == &subnetmod_deinit) return 1;
444 #endif
445 #ifdef USE_IPSET
446 else if(fptr == &ipset_deinit) return 1;
447 #endif
448 return 0;
449 }
450
451 int
fptr_whitelist_mod_startup(int (* fptr)(struct module_env * env,int id))452 fptr_whitelist_mod_startup(int (*fptr)(struct module_env* env, int id))
453 {
454 #ifdef USE_IPSET
455 if(fptr == &ipset_startup) return 1;
456 #else
457 (void)fptr;
458 #endif
459 return 0;
460 }
461
462 int
fptr_whitelist_mod_destartup(void (* fptr)(struct module_env * env,int id))463 fptr_whitelist_mod_destartup(void (*fptr)(struct module_env* env, int id))
464 {
465 #ifdef USE_IPSET
466 if(fptr == &ipset_destartup) return 1;
467 #else
468 (void)fptr;
469 #endif
470 return 0;
471 }
472
473 int
fptr_whitelist_mod_operate(void (* fptr)(struct module_qstate * qstate,enum module_ev event,int id,struct outbound_entry * outbound))474 fptr_whitelist_mod_operate(void (*fptr)(struct module_qstate* qstate,
475 enum module_ev event, int id, struct outbound_entry* outbound))
476 {
477 if(fptr == &iter_operate) return 1;
478 else if(fptr == &val_operate) return 1;
479 else if(fptr == &dns64_operate) return 1;
480 else if(fptr == &respip_operate) return 1;
481 #ifdef WITH_PYTHONMODULE
482 else if(fptr == &pythonmod_operate) return 1;
483 #endif
484 #ifdef WITH_DYNLIBMODULE
485 else if(fptr == &dynlibmod_operate) return 1;
486 #endif
487 #ifdef USE_CACHEDB
488 else if(fptr == &cachedb_operate) return 1;
489 #endif
490 #ifdef USE_IPSECMOD
491 else if(fptr == &ipsecmod_operate) return 1;
492 #endif
493 #ifdef CLIENT_SUBNET
494 else if(fptr == &subnetmod_operate) return 1;
495 #endif
496 #ifdef USE_IPSET
497 else if(fptr == &ipset_operate) return 1;
498 #endif
499 return 0;
500 }
501
502 int
fptr_whitelist_mod_inform_super(void (* fptr)(struct module_qstate * qstate,int id,struct module_qstate * super))503 fptr_whitelist_mod_inform_super(void (*fptr)(
504 struct module_qstate* qstate, int id, struct module_qstate* super))
505 {
506 if(fptr == &iter_inform_super) return 1;
507 else if(fptr == &val_inform_super) return 1;
508 else if(fptr == &dns64_inform_super) return 1;
509 else if(fptr == &respip_inform_super) return 1;
510 #ifdef WITH_PYTHONMODULE
511 else if(fptr == &pythonmod_inform_super) return 1;
512 #endif
513 #ifdef WITH_DYNLIBMODULE
514 else if(fptr == &dynlibmod_inform_super) return 1;
515 #endif
516 #ifdef USE_CACHEDB
517 else if(fptr == &cachedb_inform_super) return 1;
518 #endif
519 #ifdef USE_IPSECMOD
520 else if(fptr == &ipsecmod_inform_super) return 1;
521 #endif
522 #ifdef CLIENT_SUBNET
523 else if(fptr == &subnetmod_inform_super) return 1;
524 #endif
525 #ifdef USE_IPSET
526 else if(fptr == &ipset_inform_super) return 1;
527 #endif
528 return 0;
529 }
530
531 int
fptr_whitelist_mod_clear(void (* fptr)(struct module_qstate * qstate,int id))532 fptr_whitelist_mod_clear(void (*fptr)(struct module_qstate* qstate,
533 int id))
534 {
535 if(fptr == &iter_clear) return 1;
536 else if(fptr == &val_clear) return 1;
537 else if(fptr == &dns64_clear) return 1;
538 else if(fptr == &respip_clear) return 1;
539 #ifdef WITH_PYTHONMODULE
540 else if(fptr == &pythonmod_clear) return 1;
541 #endif
542 #ifdef WITH_DYNLIBMODULE
543 else if(fptr == &dynlibmod_clear) return 1;
544 #endif
545 #ifdef USE_CACHEDB
546 else if(fptr == &cachedb_clear) return 1;
547 #endif
548 #ifdef USE_IPSECMOD
549 else if(fptr == &ipsecmod_clear) return 1;
550 #endif
551 #ifdef CLIENT_SUBNET
552 else if(fptr == &subnetmod_clear) return 1;
553 #endif
554 #ifdef USE_IPSET
555 else if(fptr == &ipset_clear) return 1;
556 #endif
557 return 0;
558 }
559
560 int
fptr_whitelist_mod_get_mem(size_t (* fptr)(struct module_env * env,int id))561 fptr_whitelist_mod_get_mem(size_t (*fptr)(struct module_env* env, int id))
562 {
563 if(fptr == &iter_get_mem) return 1;
564 else if(fptr == &val_get_mem) return 1;
565 else if(fptr == &dns64_get_mem) return 1;
566 else if(fptr == &respip_get_mem) return 1;
567 #ifdef WITH_PYTHONMODULE
568 else if(fptr == &pythonmod_get_mem) return 1;
569 #endif
570 #ifdef WITH_DYNLIBMODULE
571 else if(fptr == &dynlibmod_get_mem) return 1;
572 #endif
573 #ifdef USE_CACHEDB
574 else if(fptr == &cachedb_get_mem) return 1;
575 #endif
576 #ifdef USE_IPSECMOD
577 else if(fptr == &ipsecmod_get_mem) return 1;
578 #endif
579 #ifdef CLIENT_SUBNET
580 else if(fptr == &subnetmod_get_mem) return 1;
581 #endif
582 #ifdef USE_IPSET
583 else if(fptr == &ipset_get_mem) return 1;
584 #endif
585 return 0;
586 }
587
588 int
fptr_whitelist_alloc_cleanup(void (* fptr)(void *))589 fptr_whitelist_alloc_cleanup(void (*fptr)(void*))
590 {
591 if(fptr == &worker_alloc_cleanup) return 1;
592 return 0;
593 }
594
fptr_whitelist_tube_listen(tube_callback_type * fptr)595 int fptr_whitelist_tube_listen(tube_callback_type* fptr)
596 {
597 if(fptr == &worker_handle_control_cmd) return 1;
598 else if(fptr == &libworker_handle_control_cmd) return 1;
599 return 0;
600 }
601
fptr_whitelist_mesh_cb(mesh_cb_func_type fptr)602 int fptr_whitelist_mesh_cb(mesh_cb_func_type fptr)
603 {
604 if(fptr == &libworker_fg_done_cb) return 1;
605 else if(fptr == &libworker_bg_done_cb) return 1;
606 else if(fptr == &libworker_event_done_cb) return 1;
607 else if(fptr == &probe_answer_cb) return 1;
608 else if(fptr == &auth_xfer_probe_lookup_callback) return 1;
609 else if(fptr == &auth_xfer_transfer_lookup_callback) return 1;
610 else if(fptr == &auth_zonemd_dnskey_lookup_callback) return 1;
611 return 0;
612 }
613
fptr_whitelist_print_func(void (* fptr)(char *,void *))614 int fptr_whitelist_print_func(void (*fptr)(char*,void*))
615 {
616 if(fptr == &config_print_func) return 1;
617 else if(fptr == &config_collate_func) return 1;
618 else if(fptr == &remote_get_opt_ssl) return 1;
619 return 0;
620 }
621
fptr_whitelist_inplace_cb_reply_generic(inplace_cb_reply_func_type * fptr,enum inplace_cb_list_type type)622 int fptr_whitelist_inplace_cb_reply_generic(inplace_cb_reply_func_type* fptr,
623 enum inplace_cb_list_type type)
624 {
625 #ifndef WITH_PYTHONMODULE
626 (void)fptr;
627 #endif
628 if(type == inplace_cb_reply) {
629 #ifdef WITH_PYTHONMODULE
630 if(fptr == &python_inplace_cb_reply_generic) return 1;
631 #endif
632 #ifdef WITH_DYNLIBMODULE
633 if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
634 #endif
635 } else if(type == inplace_cb_reply_cache) {
636 #ifdef WITH_PYTHONMODULE
637 if(fptr == &python_inplace_cb_reply_generic) return 1;
638 #endif
639 #ifdef WITH_DYNLIBMODULE
640 if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
641 #endif
642 } else if(type == inplace_cb_reply_local) {
643 #ifdef WITH_PYTHONMODULE
644 if(fptr == &python_inplace_cb_reply_generic) return 1;
645 #endif
646 #ifdef WITH_DYNLIBMODULE
647 if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
648 #endif
649 } else if(type == inplace_cb_reply_servfail) {
650 #ifdef WITH_PYTHONMODULE
651 if(fptr == &python_inplace_cb_reply_generic) return 1;
652 #endif
653 #ifdef WITH_DYNLIBMODULE
654 if(fptr == &dynlib_inplace_cb_reply_generic) return 1;
655 #endif
656 }
657 return 0;
658 }
659
fptr_whitelist_inplace_cb_query(inplace_cb_query_func_type * fptr)660 int fptr_whitelist_inplace_cb_query(inplace_cb_query_func_type* fptr)
661 {
662 #ifdef CLIENT_SUBNET
663 if(fptr == &ecs_whitelist_check)
664 return 1;
665 #endif
666 #ifdef WITH_PYTHONMODULE
667 if(fptr == &python_inplace_cb_query_generic)
668 return 1;
669 #endif
670 #ifdef WITH_DYNLIBMODULE
671 if(fptr == &dynlib_inplace_cb_query_generic)
672 return 1;
673 #endif
674 (void)fptr;
675 return 0;
676 }
677
fptr_whitelist_inplace_cb_edns_back_parsed(inplace_cb_edns_back_parsed_func_type * fptr)678 int fptr_whitelist_inplace_cb_edns_back_parsed(
679 inplace_cb_edns_back_parsed_func_type* fptr)
680 {
681 #ifdef CLIENT_SUBNET
682 if(fptr == &ecs_edns_back_parsed)
683 return 1;
684 #else
685 (void)fptr;
686 #endif
687 #ifdef WITH_PYTHONMODULE
688 if(fptr == &python_inplace_cb_edns_back_parsed_call)
689 return 1;
690 #endif
691 #ifdef WITH_DYNLIBMODULE
692 if(fptr == &dynlib_inplace_cb_edns_back_parsed)
693 return 1;
694 #endif
695 return 0;
696 }
697
fptr_whitelist_inplace_cb_query_response(inplace_cb_query_response_func_type * fptr)698 int fptr_whitelist_inplace_cb_query_response(
699 inplace_cb_query_response_func_type* fptr)
700 {
701 #ifdef CLIENT_SUBNET
702 if(fptr == &ecs_query_response)
703 return 1;
704 #else
705 (void)fptr;
706 #endif
707 #ifdef WITH_PYTHONMODULE
708 if(fptr == &python_inplace_cb_query_response)
709 return 1;
710 #endif
711 #ifdef WITH_DYNLIBMODULE
712 if(fptr == &dynlib_inplace_cb_query_response)
713 return 1;
714 #endif
715 return 0;
716 }
717
fptr_whitelist_serve_expired_lookup(serve_expired_lookup_func_type * fptr)718 int fptr_whitelist_serve_expired_lookup(serve_expired_lookup_func_type* fptr)
719 {
720 if(fptr == &mesh_serve_expired_lookup)
721 return 1;
722 return 0;
723 }
724