Electroneum
subnetmod.h
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1 /*
2  * edns-subnet/subnetmod.h - edns subnet module. Must be called before validator
3  * and iterator.
4  *
5  * Copyright (c) 2013, NLnet Labs. All rights reserved.
6  *
7  * This software is open source.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * Redistributions of source code must retain the above copyright notice,
14  * this list of conditions and the following disclaimer.
15  *
16  * Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  *
20  * Neither the name of the NLNET LABS nor the names of its contributors may
21  * be used to endorse or promote products derived from this software without
22  * specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
30  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
41 #ifndef SUBNETMOD_H
42 #define SUBNETMOD_H
43 #include "util/module.h"
44 #include "services/outbound_list.h"
45 #include "util/alloc.h"
46 #include "util/net_help.h"
47 #include "util/storage/slabhash.h"
48 #include "edns-subnet/addrtree.h"
50 
54 struct subnet_env {
64 };
65 
67  struct addrtree* tree4;
68  struct addrtree* tree6;
69 };
70 
71 struct subnet_qstate {
82 };
83 
84 void subnet_data_delete(void* d, void* ATTR_UNUSED(arg));
85 size_t msg_cache_sizefunc(void* k, void* d);
86 
92 
94 int subnetmod_init(struct module_env* env, int id);
95 
97 void subnetmod_deinit(struct module_env* env, int id);
98 
100 void subnetmod_operate(struct module_qstate* qstate, enum module_ev event,
101  int id, struct outbound_entry* outbound);
102 
104 void subnetmod_inform_super(struct module_qstate* qstate, int id,
105  struct module_qstate* super);
106 
108 void subnetmod_clear(struct module_qstate* qstate, int id);
109 
111 size_t subnetmod_get_mem(struct module_env* env, int id);
112 
114 size_t unittest_wrapper_subnetmod_sizefunc(void *elemptr);
115 
117 int ecs_whitelist_check(struct query_info* qinfo, uint16_t flags,
118  struct module_qstate* qstate, struct sockaddr_storage* addr,
119  socklen_t addrlen, uint8_t* zone, size_t zonelen,
120  struct regional* region, int id, void* cbargs);
121 
124 int ecs_edns_back_parsed(struct module_qstate* qstate, int id, void* cbargs);
125 
127 int ecs_query_response(struct module_qstate* qstate, struct dns_msg* response,
128  int id, void* cbargs);
129 
130 #endif /* SUBNETMOD_H */
struct addrtree * tree4
Definition: subnetmod.h:67
struct ecs_data ecs_client_in
Definition: subnetmod.h:75
Definition: dns.h:61
void subnetmod_clear(struct module_qstate *qstate, int id)
size_t unittest_wrapper_subnetmod_sizefunc(void *elemptr)
Definition: outbound_list.h:61
epee::misc_utils::struct_init< response_t > response
struct alloc_cache alloc
Definition: subnetmod.h:62
unsigned short uint16_t
Definition: stdint.h:125
struct ecs_data ecs_server_in
Definition: subnetmod.h:78
size_t msg_cache_sizefunc(void *k, void *d)
int subnetmod_init(struct module_env *env, int id)
struct addrtree * tree6
Definition: subnetmod.h:68
unsigned char uint8_t
Definition: stdint.h:124
void subnetmod_deinit(struct module_env *env, int id)
struct ecs_whitelist * whitelist
Definition: subnetmod.h:60
void subnet_data_delete(void *d, void *ATTR_UNUSED(arg))
struct ecs_data ecs_server_out
Definition: subnetmod.h:79
struct slabhash * subnet_msg_cache
Definition: subnetmod.h:58
uint32_t hashvalue_type
Definition: lruhash.h:119
lock_rw_type biglock
Definition: subnetmod.h:63
int ecs_query_response(struct module_qstate *qstate, struct dns_msg *response, int id, void *cbargs)
module_ev
Definition: module.h:536
hashvalue_type qinfo_hash
Definition: subnetmod.h:73
struct ecs_data ecs_client_out
Definition: subnetmod.h:76
size_t subnetmod_get_mem(struct module_env *env, int id)
void subnetmod_inform_super(struct module_qstate *qstate, int id, struct module_qstate *super)
int ecs_edns_back_parsed(struct module_qstate *qstate, int id, void *cbargs)
int subnet_sent
Definition: subnetmod.h:81
int subnet_downstream
Definition: subnetmod.h:80
void subnetmod_operate(struct module_qstate *qstate, enum module_ev event, int id, struct outbound_entry *outbound)
int ecs_whitelist_check(struct query_info *qinfo, uint16_t flags, struct module_qstate *qstate, struct sockaddr_storage *addr, socklen_t addrlen, uint8_t *zone, size_t zonelen, struct regional *region, int id, void *cbargs)
struct module_func_block * subnetmod_get_funcblock(void)
int lock_rw_type
Definition: locks.h:261