1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2014 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include <netinet/in.h>
29 #include "in-addr-util.h"
32 typedef struct DnsResourceKey DnsResourceKey;
33 typedef struct DnsResourceRecord DnsResourceRecord;
35 /* DNS record classes, see RFC 1035 */
40 _DNS_CLASS_INVALID = -1
43 struct DnsResourceKey {
46 char *_name; /* don't access directy, use DNS_RESOURCE_KEY_NAME()! */
49 struct DnsResourceRecord {
69 } ptr, ns, cname, dname;
81 struct in_addr in_addr;
85 struct in6_addr in6_addr;
122 static inline const char* DNS_RESOURCE_KEY_NAME(const DnsResourceKey *key) {
123 if (_unlikely_(!key))
129 return (char*) key + sizeof(DnsResourceKey);
132 DnsResourceKey* dns_resource_key_new(uint16_t class, uint16_t type, const char *name);
133 DnsResourceKey* dns_resource_key_new_consume(uint16_t class, uint16_t type, char *name);
134 DnsResourceKey* dns_resource_key_ref(DnsResourceKey *key);
135 DnsResourceKey* dns_resource_key_unref(DnsResourceKey *key);
136 int dns_resource_key_equal(const DnsResourceKey *a, const DnsResourceKey *b);
137 int dns_resource_key_match_rr(const DnsResourceKey *key, const DnsResourceRecord *rr);
138 int dns_resource_key_match_cname(const DnsResourceKey *key, const DnsResourceRecord *rr);
139 unsigned long dns_resource_key_hash_func(const void *i, const uint8_t hash_key[HASH_KEY_SIZE]);
140 int dns_resource_key_compare_func(const void *a, const void *b);
141 int dns_resource_key_to_string(const DnsResourceKey *key, char **ret);
142 DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceKey*, dns_resource_key_unref);
144 DnsResourceRecord* dns_resource_record_new(DnsResourceKey *key);
145 DnsResourceRecord* dns_resource_record_new_full(uint16_t class, uint16_t type, const char *name);
146 DnsResourceRecord* dns_resource_record_ref(DnsResourceRecord *rr);
147 DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr);
148 int dns_resource_record_new_reverse(DnsResourceRecord **ret, int family, const union in_addr_union *address, const char *name);
149 int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b);
150 int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret);
151 DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceRecord*, dns_resource_record_unref);
153 const char *dns_class_to_string(uint16_t type);
154 int dns_class_from_string(const char *name, uint16_t *class);