Logo Search packages:      
Sourcecode: unbound version File versions  Download package

fptr_wlist.c

Go to the documentation of this file.
/*
 * 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 REGENTS 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 "daemon/worker.h"
#include "services/outside_network.h"
#include "services/mesh.h"
#include "services/localzone.h"
#include "services/cache/infra.h"
#include "services/cache/rrset.h"
#include "iterator/iterator.h"
#include "iterator/iter_donotq.h"
#include "iterator/iter_fwd.h"
#include "iterator/iter_hints.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 "util/data/msgreply.h"
#include "util/data/packed_rrset.h"
#include "util/storage/slabhash.h"
#include "util/locks.h"
#include "testcode/checklocks.h"
#include "daemon/acl_list.h"
#include "libunbound/libworker.h"
#include "libunbound/context.h"

int 
00074 fptr_whitelist_comm_point(comm_point_callback_t *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 == &worker_handle_control_cmd) return 1;
      return 0;
}

int 
00084 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 == &worker_stat_timer_cb) return 1;
      return 0;
}

int 
00093 fptr_whitelist_comm_signal(void (*fptr)(int, void*))
{
      if(fptr == &worker_sighandler) return 1;
      return 0;
}

int 
00100 fptr_whitelist_event(void (*fptr)(int, short, void *))
{
      if(fptr == &comm_point_udp_callback) return 1;
      else if(fptr == &comm_point_udp_ancil_callback) return 1;
      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;
      return 0;
}

int 
00114 fptr_whitelist_pending_udp(comm_point_callback_t *fptr)
{
      if(fptr == &serviced_udp_callback) return 1;
      else if(fptr == &worker_handle_reply) return 1;
      else if(fptr == &libworker_handle_reply) return 1;
      return 0;
}

int 
00123 fptr_whitelist_pending_tcp(comm_point_callback_t *fptr)
{
      if(fptr == &serviced_tcp_callback) return 1;
      else if(fptr == &worker_handle_reply) return 1;
      else if(fptr == &libworker_handle_reply) return 1;
      return 0;
}

int 
00132 fptr_whitelist_serviced_query(comm_point_callback_t *fptr)
{
      if(fptr == &worker_handle_service_reply) return 1;
      else if(fptr == &libworker_handle_service_reply) return 1;
      return 0;
}

int 
00140 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 == &acl_list_cmp) return 1;
      else if(fptr == &local_zone_cmp) return 1;
      else if(fptr == &local_data_cmp) return 1;
      else if(fptr == &donotq_cmp) return 1;
      else if(fptr == &fwd_cmp) return 1;
      else if(fptr == &stub_cmp) return 1;
      else if(fptr == &pending_cmp) return 1;
      else if(fptr == &serviced_cmp) 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;
      return 0;
}

int 
00163 fptr_whitelist_hash_sizefunc(lruhash_sizefunc_t fptr)
{
      if(fptr == &msgreply_sizefunc) return 1;
      else if(fptr == &ub_rrset_sizefunc) return 1;
      else if(fptr == &infra_host_sizefunc) return 1;
      else if(fptr == &key_entry_sizefunc) return 1;
      else if(fptr == &infra_lame_sizefunc) return 1;
      else if(fptr == &test_slabhash_sizefunc) return 1;
      return 0;
}

int 
00175 fptr_whitelist_hash_compfunc(lruhash_compfunc_t fptr)
{
      if(fptr == &query_info_compare) return 1;
      else if(fptr == &ub_rrset_compare) return 1;
      else if(fptr == &infra_host_compfunc) return 1;
      else if(fptr == &key_entry_compfunc) return 1;
      else if(fptr == &infra_lame_compfunc) return 1;
      else if(fptr == &test_slabhash_compfunc) return 1;
      return 0;
}

int 
00187 fptr_whitelist_hash_delkeyfunc(lruhash_delkeyfunc_t fptr)
{
      if(fptr == &query_entry_delete) return 1;
      else if(fptr == &ub_rrset_key_delete) return 1;
      else if(fptr == &infra_host_delkeyfunc) return 1;
      else if(fptr == &key_entry_delkeyfunc) return 1;
      else if(fptr == &infra_lame_delkeyfunc) return 1;
      else if(fptr == &test_slabhash_delkey) return 1;
      return 0;
}

int 
00199 fptr_whitelist_hash_deldatafunc(lruhash_deldatafunc_t fptr)
{
      if(fptr == &reply_info_delete) return 1;
      else if(fptr == &rrset_data_delete) return 1;
      else if(fptr == &infra_host_deldatafunc) return 1;
      else if(fptr == &key_entry_deldatafunc) return 1;
      else if(fptr == &infra_lame_deldatafunc) return 1;
      else if(fptr == &test_slabhash_deldata) return 1;
      return 0;
}

int 
00211 fptr_whitelist_hash_markdelfunc(lruhash_markdelfunc_t fptr)
{
      if(fptr == NULL) return 1;
      else if(fptr == &rrset_markdel) return 1;
      return 0;
}

int 
00219 fptr_whitelist_modenv_send_packet(int (*fptr)(ldns_buffer* pkt,
        struct sockaddr_storage* addr, socklen_t addrlen, int timeout,
        struct module_qstate* q, int use_tcp))
{
      if(fptr == &worker_send_packet) return 1;
      else if(fptr == &libworker_send_packet) return 1;
      return 0;
}

int 
00229 fptr_whitelist_modenv_send_query(struct outbound_entry* (*fptr)(
        uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass,
        uint16_t flags, int dnssec, struct sockaddr_storage* addr,
        socklen_t addrlen, struct module_qstate* q))
{
      if(fptr == &worker_send_query) return 1;
      else if(fptr == &libworker_send_query) return 1;
      return 0;
}

int 
00240 fptr_whitelist_modenv_detach_subs(void (*fptr)(
        struct module_qstate* qstate))
{
      if(fptr == &mesh_detach_subs) return 1;
      return 0;
}

int 
00248 fptr_whitelist_modenv_attach_sub(int (*fptr)(
        struct module_qstate* qstate, struct query_info* qinfo,
        uint16_t qflags, int prime, struct module_qstate** newq))
{
      if(fptr == &mesh_attach_sub) return 1;
      return 0;
}

int 
00257 fptr_whitelist_modenv_kill_sub(void (*fptr)(struct module_qstate* newq))
{
      if(fptr == &mesh_state_delete) return 1;
      return 0;
}

int 
00264 fptr_whitelist_modenv_detect_cycle(int (*fptr)(        
      struct module_qstate* qstate, struct query_info* qinfo,         
      uint16_t flags, int prime))
{
      if(fptr == &mesh_detect_cycle) return 1;
      return 0;
}

int 
00273 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;
      return 0;
}

int 
00281 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;
      return 0;
}

int 
00289 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;
      return 0;
}

int 
00298 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;
      return 0;
}

int 
00307 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;
      return 0;
}

int 
00316 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;
      return 0;
}

int 
00324 fptr_whitelist_alloc_cleanup(void (*fptr)(void*))
{
      if(fptr == &worker_alloc_cleanup) return 1;
      return 0;
}

Generated by  Doxygen 1.6.0   Back to index