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git.ipfire.org Git - thirdparty/systemd.git/blob - src/resolve/dns-type.h
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Zbigniew Jędrzejewski-Szmek
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 /* DNS record types, taken from
27 * http://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml.
71 DNS_TYPE_OPT
, /* EDNS0 option */
100 DNS_TYPE_TKEY
= 0xF9,
109 DNS_TYPE_TA
= 0x8000,
113 _DNS_TYPE_INVALID
= -1
116 assert_cc(DNS_TYPE_SSHFP
== 44);
117 assert_cc(DNS_TYPE_TLSA
== 52);
118 assert_cc(DNS_TYPE_ANY
== 255);
120 /* DNS record classes, see RFC 1035 */
123 DNS_CLASS_ANY
= 0xFF,
126 _DNS_CLASS_INVALID
= -1
129 bool dns_type_is_pseudo(uint16_t type
);
130 bool dns_type_is_valid_query(uint16_t type
);
131 bool dns_type_is_valid_rr(uint16_t type
);
132 bool dns_type_may_redirect(uint16_t type
);
133 bool dns_type_is_dnssec(uint16_t type
);
134 bool dns_type_is_obsolete(uint16_t type
);
135 bool dns_type_may_wildcard(uint16_t type
);
136 bool dns_type_apex_only(uint16_t type
);
137 int dns_type_to_af(uint16_t t
);
139 bool dns_class_is_pseudo(uint16_t class);
140 bool dns_class_is_valid_rr(uint16_t class);
142 /* TYPE?? follows http://tools.ietf.org/html/rfc3597#section-5 */
143 const char *dns_type_to_string(int type
);
144 int dns_type_from_string(const char *s
);
146 const char *dns_class_to_string(uint16_t type
);
147 int dns_class_from_string(const char *name
);
149 /* https://tools.ietf.org/html/draft-ietf-dane-protocol-23#section-7.2 */
150 const char *tlsa_cert_usage_to_string(uint8_t cert_usage
);
152 /* https://tools.ietf.org/html/draft-ietf-dane-protocol-23#section-7.3 */
153 const char *tlsa_selector_to_string(uint8_t selector
);
155 /* https://tools.ietf.org/html/draft-ietf-dane-protocol-23#section-7.4 */
156 const char *tlsa_matching_type_to_string(uint8_t selector
);