/*

 * util/fptr_wlist.c - function pointer whitelists.

 *

 * Copyright (c) 2007, NLnet Labs. All rights reserved.

 *

 * This software is open source.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 

 * Redistributions of source code must retain the above copyright notice,

 * this list of conditions and the following disclaimer.

 * 

 * Redistributions in binary form must reproduce the above copyright notice,

 * this list of conditions and the following disclaimer in the documentation

 * and/or other materials provided with the distribution.

 * 

 * Neither the name of the NLNET LABS nor the names of its contributors may

 * be used to endorse or promote products derived from this software without

 * specific prior written permission.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED

 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/**

 * \file

 *

 * This file contains functions that check function pointers.

 * The functions contain a whitelist of known good callback values.

 * Any other values lead to an error. 

 *

 * Due to the listing nature, this file violates all the modularization

 * boundaries in the program.

 */

#include "config.h"

#include "util/fptr_wlist.h"

#include "util/mini_event.h"

#include "services/outside_network.h"

#include "services/listen_dnsport.h"

#include "services/mesh.h"

#include "services/localzone.h"

#include "services/authzone.h"

#include "services/cache/infra.h"

#include "services/cache/rrset.h"

#include "services/view.h"

#include "dns64/dns64.h"

#include "iterator/iterator.h"

#include "iterator/iter_fwd.h"

#include "validator/validator.h"

#include "validator/val_anchor.h"

#include "validator/val_nsec3.h"

#include "validator/val_sigcrypt.h"

#include "validator/val_kentry.h"

#include "validator/val_neg.h"

#include "validator/autotrust.h"

#include "util/data/msgreply.h"

#include "util/data/packed_rrset.h"

#include "util/storage/slabhash.h"

#include "util/storage/dnstree.h"

#include "util/locks.h"

#include "libunbound/libworker.h"

#include "libunbound/context.h"

#include "libunbound/worker.h"

#include "util/tube.h"

#include "util/config_file.h"

#include "daemon/remote.h"

#ifdef UB_ON_WINDOWS

#include "winrc/win_svc.h"

#endif

#include "respip/respip.h"

#ifdef WITH_PYTHONMODULE

#include "pythonmod/pythonmod.h"

#endif

#ifdef WITH_DYNLIBMODULE

#include "dynlibmod/dynlibmod.h"

#endif

#ifdef USE_CACHEDB

#include "cachedb/cachedb.h"

#endif

#ifdef USE_IPSECMOD

#include "ipsecmod/ipsecmod.h"

#endif

#ifdef CLIENT_SUBNET

#include "edns-subnet/subnetmod.h"

#endif

#ifdef USE_IPSET

#include "ipset/ipset.h"

#endif

#ifdef USE_DNSTAP

#include "dnstap/dtstream.h"

#endif

int 

fptr_whitelist_comm_point(comm_point_callback_type *fptr)

{

  if(fptr == &worker_handle_request) return 1;

  else if(fptr == &outnet_udp_cb) return 1;

  else if(fptr == &outnet_tcp_cb) return 1;

  else if(fptr == &tube_handle_listen) return 1;

  else if(fptr == &auth_xfer_probe_udp_callback) return 1;

  else if(fptr == &auth_xfer_transfer_tcp_callback) return 1;

  else if(fptr == &auth_xfer_transfer_http_callback) return 1;

  return 0;

}

int 

fptr_whitelist_comm_point_raw(comm_point_callback_type *fptr)

{

  if(fptr == &tube_handle_listen) return 1;

  else if(fptr == &tube_handle_write) return 1;

  else if(fptr == &remote_accept_callback) return 1;

  else if(fptr == &remote_control_callback) return 1;

  else if(fptr == &fast_reload_client_callback) return 1;

  return 0;

}

int 

fptr_whitelist_comm_timer(void (*fptr)(void*))

{

  if(fptr == &pending_udp_timer_cb) return 1;

  else if(fptr == &outnet_tcptimer) return 1;

  else if(fptr == &pending_udp_timer_delay_cb) return 1;

  else if(fptr == &worker_stat_timer_cb) return 1;

  else if(fptr == &worker_probe_timer_cb) return 1;

  else if(fptr == &validate_suspend_timer_cb) return 1;

#ifdef HAVE_NGTCP2

  else if(fptr == &doq_timer_cb) return 1;

#endif

#ifdef UB_ON_WINDOWS

  else if(fptr == &wsvc_cron_cb) return 1;

#endif

  else if(fptr == &auth_xfer_timer) return 1;

  else if(fptr == &auth_xfer_probe_timer_callback) return 1;

  else if(fptr == &auth_xfer_transfer_timer_callback) return 1;

  else if(fptr == &mesh_serve_expired_callback) return 1;

  else if(fptr == &serviced_timer_cb) return 1;

#ifdef USE_DNSTAP

  else if(fptr == &mq_wakeup_cb) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_comm_signal(void (*fptr)(int, void*))

{

  if(fptr == &worker_sighandler) return 1;

  return 0;

}

int fptr_whitelist_start_accept(void (*fptr)(void*))

{

  if(fptr == &worker_start_accept) return 1;

  return 0;

}

int fptr_whitelist_stop_accept(void (*fptr)(void*))

{

  if(fptr == &worker_stop_accept) return 1;

  return 0;

}

int 

fptr_whitelist_event(void (*fptr)(int, short, void *))

{

  if(fptr == &comm_point_udp_callback) return 1;

#if defined(AF_INET6) && defined(IPV6_PKTINFO) && defined(HAVE_RECVMSG)

  else if(fptr == &comm_point_udp_ancil_callback) return 1;

#endif

  else if(fptr == &comm_point_tcp_accept_callback) return 1;

  else if(fptr == &comm_point_tcp_handle_callback) return 1;

  else if(fptr == &comm_timer_callback) return 1;

  else if(fptr == &comm_signal_callback) return 1;

  else if(fptr == &comm_point_local_handle_callback) return 1;

  else if(fptr == &comm_point_raw_handle_callback) return 1;

  else if(fptr == &tube_handle_signal) return 1;

  else if(fptr == &comm_base_handle_slow_accept) return 1;

  else if(fptr == &comm_point_http_handle_callback) return 1;

#ifdef HAVE_NGTCP2

  else if(fptr == &comm_point_doq_callback) return 1;

#endif

  else if(fptr == &fast_reload_service_cb) return 1;

#ifdef USE_DNSTAP

  else if(fptr == &dtio_output_cb) return 1;

  else if(fptr == &dtio_cmd_cb) return 1;

  else if(fptr == &dtio_reconnect_timeout_cb) return 1;

  else if(fptr == &dtio_stop_timer_cb) return 1;

  else if(fptr == &dtio_stop_ev_cb) return 1;

  else if(fptr == &dtio_tap_callback) return 1;

  else if(fptr == &dtio_mainfdcallback) return 1;

#endif

#ifdef HAVE_NGTCP2

  else if(fptr == &doq_client_event_cb) return 1;

  else if(fptr == &doq_client_timer_cb) return 1;

#endif

#ifdef UB_ON_WINDOWS

  else if(fptr == &worker_win_stop_cb) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_pending_udp(comm_point_callback_type *fptr)

{

  if(fptr == &serviced_udp_callback) return 1;

  return 0;

}

int 

fptr_whitelist_pending_tcp(comm_point_callback_type *fptr)

{

  if(fptr == &serviced_tcp_callback) return 1;

  return 0;

}

int 

fptr_whitelist_serviced_query(comm_point_callback_type *fptr)

{

  if(fptr == &worker_handle_service_reply) return 1;

  else if(fptr == &libworker_handle_service_reply) return 1;

  return 0;

}

int 

fptr_whitelist_rbtree_cmp(int (*fptr) (const void *, const void *))

{

  if(fptr == &mesh_state_compare) return 1;

  else if(fptr == &mesh_state_ref_compare) return 1;

  else if(fptr == &addr_tree_compare) return 1;

  else if(fptr == &addr_tree_addrport_compare) return 1;

  else if(fptr == &local_zone_cmp) return 1;

  else if(fptr == &local_data_cmp) return 1;

  else if(fptr == &fwd_cmp) return 1;

  else if(fptr == &pending_cmp) return 1;

  else if(fptr == &serviced_cmp) return 1;

  else if(fptr == &reuse_cmp) return 1;

  else if(fptr == &reuse_id_cmp) return 1;

  else if(fptr == &name_tree_compare) return 1;

  else if(fptr == &order_lock_cmp) return 1;

  else if(fptr == &codeline_cmp) return 1;

  else if(fptr == &nsec3_hash_cmp) return 1;

  else if(fptr == &mini_ev_cmp) return 1;

  else if(fptr == &anchor_cmp) return 1;

  else if(fptr == &canonical_tree_compare) return 1;

  else if(fptr == &context_query_cmp) return 1;

  else if(fptr == &val_neg_data_compare) return 1;

  else if(fptr == &val_neg_zone_compare) return 1;

  else if(fptr == &probetree_cmp) return 1;

  else if(fptr == &replay_var_compare) return 1;

  else if(fptr == &view_cmp) return 1;

  else if(fptr == &auth_zone_cmp) return 1;

  else if(fptr == &auth_data_cmp) return 1;

  else if(fptr == &auth_xfer_cmp) return 1;

#ifdef HAVE_NGTCP2

  else if(fptr == &doq_conn_cmp) return 1;

  else if(fptr == &doq_conid_cmp) return 1;

  else if(fptr == &doq_timer_cmp) return 1;

  else if(fptr == &doq_stream_cmp) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_hash_sizefunc(lruhash_sizefunc_type fptr)

{

  if(fptr == &msgreply_sizefunc) return 1;

  else if(fptr == &ub_rrset_sizefunc) return 1;

  else if(fptr == &infra_sizefunc) return 1;

  else if(fptr == &key_entry_sizefunc) return 1;

  else if(fptr == &rate_sizefunc) return 1;

  else if(fptr == &ip_rate_sizefunc) return 1;

  else if(fptr == &test_slabhash_sizefunc) return 1;

#ifdef CLIENT_SUBNET

  else if(fptr == &msg_cache_sizefunc) return 1;

#endif

#ifdef USE_DNSCRYPT

  else if(fptr == &dnsc_shared_secrets_sizefunc) return 1;

  else if(fptr == &dnsc_nonces_sizefunc) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_hash_compfunc(lruhash_compfunc_type fptr)

{

  if(fptr == &query_info_compare) return 1;

  else if(fptr == &ub_rrset_compare) return 1;

  else if(fptr == &infra_compfunc) return 1;

  else if(fptr == &key_entry_compfunc) return 1;

  else if(fptr == &rate_compfunc) return 1;

  else if(fptr == &ip_rate_compfunc) return 1;

  else if(fptr == &test_slabhash_compfunc) return 1;

#ifdef USE_DNSCRYPT

  else if(fptr == &dnsc_shared_secrets_compfunc) return 1;

  else if(fptr == &dnsc_nonces_compfunc) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_hash_delkeyfunc(lruhash_delkeyfunc_type fptr)

{

  if(fptr == &query_entry_delete) return 1;

  else if(fptr == &ub_rrset_key_delete) return 1;

  else if(fptr == &infra_delkeyfunc) return 1;

  else if(fptr == &key_entry_delkeyfunc) return 1;

  else if(fptr == &rate_delkeyfunc) return 1;

  else if(fptr == &ip_rate_delkeyfunc) return 1;

  else if(fptr == &test_slabhash_delkey) return 1;

#ifdef USE_DNSCRYPT

  else if(fptr == &dnsc_shared_secrets_delkeyfunc) return 1;

  else if(fptr == &dnsc_nonces_delkeyfunc) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_hash_deldatafunc(lruhash_deldatafunc_type fptr)

{

  if(fptr == &reply_info_delete) return 1;

  else if(fptr == &rrset_data_delete) return 1;

  else if(fptr == &infra_deldatafunc) return 1;

  else if(fptr == &key_entry_deldatafunc) return 1;

  else if(fptr == &rate_deldatafunc) return 1;

  else if(fptr == &test_slabhash_deldata) return 1;

#ifdef CLIENT_SUBNET

  else if(fptr == &subnet_data_delete) return 1;

#endif

#ifdef USE_DNSCRYPT

  else if(fptr == &dnsc_shared_secrets_deldatafunc) return 1;

  else if(fptr == &dnsc_nonces_deldatafunc) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_hash_markdelfunc(lruhash_markdelfunc_type fptr)

{

  if(fptr == NULL) return 1;

  else if(fptr == &rrset_markdel) return 1;

#ifdef CLIENT_SUBNET

  else if(fptr == &subnet_markdel) return 1;

#endif

  return 0;

}

/** whitelist env->send_query callbacks */

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))

{

  if(fptr == &worker_send_query) return 1;

  else if(fptr == &libworker_send_query) return 1;

  return 0;

}

int 

fptr_whitelist_modenv_detach_subs(void (*fptr)(

        struct module_qstate* qstate))

{

  if(fptr == &mesh_detach_subs) return 1;

  return 0;

}

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))

{

  if(fptr == &mesh_attach_sub) return 1;

  return 0;

}

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))

{

  if(fptr == &mesh_add_sub) return 1;

  return 0;

}

int 

fptr_whitelist_modenv_kill_sub(void (*fptr)(struct module_qstate* newq))

{

  if(fptr == &mesh_state_delete) return 1;

  return 0;

}

int 

fptr_whitelist_modenv_detect_cycle(int (*fptr)(

  struct module_qstate* qstate, struct query_info* qinfo,

  uint16_t flags, int prime, int valrec))

{

  if(fptr == &mesh_detect_cycle) return 1;

  return 0;

}

int

fptr_whitelist_mod_init(int (*fptr)(struct module_env* env, int id))

{

  if(fptr == &iter_init) return 1;

  else if(fptr == &val_init) return 1;

  else if(fptr == &dns64_init) return 1;

  else if(fptr == &respip_init) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_init) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_init) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_init) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_init) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_init) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_init) return 1;

#endif

  return 0;

}

int

fptr_whitelist_mod_deinit(void (*fptr)(struct module_env* env, int id))

{

  if(fptr == &iter_deinit) return 1;

  else if(fptr == &val_deinit) return 1;

  else if(fptr == &dns64_deinit) return 1;

  else if(fptr == &respip_deinit) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_deinit) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_deinit) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_deinit) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_deinit) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_deinit) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_deinit) return 1;

#endif

  return 0;

}

int

fptr_whitelist_mod_startup(int (*fptr)(struct module_env* env, int id))

{

#ifdef USE_IPSET

  if(fptr == &ipset_startup) return 1;

#else

  (void)fptr;

#endif

  return 0;

}

int

fptr_whitelist_mod_destartup(void (*fptr)(struct module_env* env, int id))

{

#ifdef USE_IPSET

  if(fptr == &ipset_destartup) return 1;

#else

  (void)fptr;

#endif

  return 0;

}

int 

fptr_whitelist_mod_operate(void (*fptr)(struct module_qstate* qstate,

        enum module_ev event, int id, struct outbound_entry* outbound))

{

  if(fptr == &iter_operate) return 1;

  else if(fptr == &val_operate) return 1;

  else if(fptr == &dns64_operate) return 1;

  else if(fptr == &respip_operate) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_operate) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_operate) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_operate) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_operate) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_operate) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_operate) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_mod_inform_super(void (*fptr)(

        struct module_qstate* qstate, int id, struct module_qstate* super))

{

  if(fptr == &iter_inform_super) return 1;

  else if(fptr == &val_inform_super) return 1;

  else if(fptr == &dns64_inform_super) return 1;

  else if(fptr == &respip_inform_super) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_inform_super) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_inform_super) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_inform_super) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_inform_super) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_inform_super) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_inform_super) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_mod_clear(void (*fptr)(struct module_qstate* qstate,

        int id))

{

  if(fptr == &iter_clear) return 1;

  else if(fptr == &val_clear) return 1;

  else if(fptr == &dns64_clear) return 1;

  else if(fptr == &respip_clear) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_clear) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_clear) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_clear) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_clear) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_clear) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_clear) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_mod_get_mem(size_t (*fptr)(struct module_env* env, int id))

{

  if(fptr == &iter_get_mem) return 1;

  else if(fptr == &val_get_mem) return 1;

  else if(fptr == &dns64_get_mem) return 1;

  else if(fptr == &respip_get_mem) return 1;

#ifdef WITH_PYTHONMODULE

  else if(fptr == &pythonmod_get_mem) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

  else if(fptr == &dynlibmod_get_mem) return 1;

#endif

#ifdef USE_CACHEDB

  else if(fptr == &cachedb_get_mem) return 1;

#endif

#ifdef USE_IPSECMOD

  else if(fptr == &ipsecmod_get_mem) return 1;

#endif

#ifdef CLIENT_SUBNET

  else if(fptr == &subnetmod_get_mem) return 1;

#endif

#ifdef USE_IPSET

  else if(fptr == &ipset_get_mem) return 1;

#endif

  return 0;

}

int 

fptr_whitelist_alloc_cleanup(void (*fptr)(void*))

{

  if(fptr == &worker_alloc_cleanup) return 1;

  return 0;

}

int fptr_whitelist_tube_listen(tube_callback_type* fptr)

{

  if(fptr == &worker_handle_control_cmd) return 1;

  else if(fptr == &libworker_handle_control_cmd) return 1;

  return 0;

}

int fptr_whitelist_mesh_cb(mesh_cb_func_type fptr)

{

  if(fptr == &libworker_fg_done_cb) return 1;

  else if(fptr == &libworker_bg_done_cb) return 1;

  else if(fptr == &libworker_event_done_cb) return 1;

  else if(fptr == &probe_answer_cb) return 1;

  else if(fptr == &auth_xfer_probe_lookup_callback) return 1;

  else if(fptr == &auth_xfer_transfer_lookup_callback) return 1;

  else if(fptr == &auth_zonemd_dnskey_lookup_callback) return 1;

  return 0;

}

int fptr_whitelist_print_func(void (*fptr)(char*,void*))

{

  if(fptr == &config_print_func) return 1;

  else if(fptr == &config_collate_func) return 1;

  else if(fptr == &remote_get_opt_ssl) return 1;

  return 0;

}

int fptr_whitelist_inplace_cb_reply_generic(inplace_cb_reply_func_type* fptr,

  enum inplace_cb_list_type type)

{

#ifndef WITH_PYTHONMODULE

  (void)fptr;

#endif

  if(type == inplace_cb_reply) {

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_reply_generic) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_reply_generic) return 1;

#endif

  } else if(type == inplace_cb_reply_cache) {

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_reply_generic) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_reply_generic) return 1;

#endif

  } else if(type == inplace_cb_reply_local) {

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_reply_generic) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_reply_generic) return 1;

#endif

  } else if(type == inplace_cb_reply_servfail) {

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_reply_generic) return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_reply_generic) return 1;

#endif

  }

  return 0;

}

int fptr_whitelist_inplace_cb_query(inplace_cb_query_func_type* fptr)

{

#ifdef CLIENT_SUBNET

  if(fptr == &ecs_whitelist_check)

    return 1;

#endif

#ifdef WITH_PYTHONMODULE

        if(fptr == &python_inplace_cb_query_generic)

                return 1;

#endif

#ifdef WITH_DYNLIBMODULE

        if(fptr == &dynlib_inplace_cb_query_generic)

                return 1;

#endif

  (void)fptr;

  return 0;

}

int fptr_whitelist_inplace_cb_edns_back_parsed(

  inplace_cb_edns_back_parsed_func_type* fptr)

{

#ifdef CLIENT_SUBNET

  if(fptr == &ecs_edns_back_parsed)

    return 1;

#else

  (void)fptr;

#endif

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_edns_back_parsed_call)

        return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_edns_back_parsed)

            return 1;

#endif

  return 0;

}

int fptr_whitelist_inplace_cb_query_response(

  inplace_cb_query_response_func_type* fptr)

{

#ifdef CLIENT_SUBNET

  if(fptr == &ecs_query_response)

    return 1;

#else

  (void)fptr;

#endif

#ifdef WITH_PYTHONMODULE

    if(fptr == &python_inplace_cb_query_response)

        return 1;

#endif

#ifdef WITH_DYNLIBMODULE

    if(fptr == &dynlib_inplace_cb_query_response)

            return 1;

#endif

  return 0;

}

int fptr_whitelist_serve_expired_lookup(serve_expired_lookup_func_type* fptr)

{

  if(fptr == &mesh_serve_expired_lookup)

    return 1;

  return 0;

}