src/resolve/dns-type.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2014 Zbigniew Jędrzejewski-Szmek
   7
   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.
  12
  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.
  17
  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/>.
  20 ***/
  21
  22 #pragma once
  23
  24 #include "macro.h"
  25
  26 const char *dns_type_to_string(int type);
  27 int dns_type_from_string(const char *s);
  28
  29 bool dns_type_is_pseudo(uint16_t type);
  30 bool dns_type_is_valid_query(uint16_t type);
  31 bool dns_type_is_valid_rr(uint16_t type);
  32
  33 /* DNS record types, taken from
  34  * http://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml.
  35  */
  36 enum {
  37         /* Normal records */
  38         DNS_TYPE_A          = 0x01,
  39         DNS_TYPE_NS,
  40         DNS_TYPE_MD,
  41         DNS_TYPE_MF,
  42         DNS_TYPE_CNAME,
  43         DNS_TYPE_SOA,
  44         DNS_TYPE_MB,
  45         DNS_TYPE_MG,
  46         DNS_TYPE_MR,
  47         DNS_TYPE_NULL,
  48         DNS_TYPE_WKS,
  49         DNS_TYPE_PTR,
  50         DNS_TYPE_HINFO,
  51         DNS_TYPE_MINFO,
  52         DNS_TYPE_MX,
  53         DNS_TYPE_TXT,
  54         DNS_TYPE_RP,
  55         DNS_TYPE_AFSDB,
  56         DNS_TYPE_X25,
  57         DNS_TYPE_ISDN,
  58         DNS_TYPE_RT,
  59         DNS_TYPE_NSAP,
  60         DNS_TYPE_NSAP_PTR,
  61         DNS_TYPE_SIG,
  62         DNS_TYPE_KEY,
  63         DNS_TYPE_PX,
  64         DNS_TYPE_GPOS,
  65         DNS_TYPE_AAAA,
  66         DNS_TYPE_LOC,
  67         DNS_TYPE_NXT,
  68         DNS_TYPE_EID,
  69         DNS_TYPE_NIMLOC,
  70         DNS_TYPE_SRV,
  71         DNS_TYPE_ATMA,
  72         DNS_TYPE_NAPTR,
  73         DNS_TYPE_KX,
  74         DNS_TYPE_CERT,
  75         DNS_TYPE_A6,
  76         DNS_TYPE_DNAME,
  77         DNS_TYPE_SINK,
  78         DNS_TYPE_OPT,          /* EDNS0 option */
  79         DNS_TYPE_APL,
  80         DNS_TYPE_DS,
  81         DNS_TYPE_SSHFP,
  82         DNS_TYPE_IPSECKEY,
  83         DNS_TYPE_RRSIG,
  84         DNS_TYPE_NSEC,
  85         DNS_TYPE_DNSKEY,
  86         DNS_TYPE_DHCID,
  87         DNS_TYPE_NSEC3,
  88         DNS_TYPE_NSEC3PARAM,
  89         DNS_TYPE_TLSA,
  90
  91         DNS_TYPE_HIP        = 0x37,
  92         DNS_TYPE_NINFO,
  93         DNS_TYPE_RKEY,
  94         DNS_TYPE_TALINK,
  95         DNS_TYPE_CDS,
  96         DNS_TYPE_CDNSKEY,
  97
  98         DNS_TYPE_SPF        = 0x63,
  99         DNS_TYPE_NID,
 100         DNS_TYPE_L32,
 101         DNS_TYPE_L64,
 102         DNS_TYPE_LP,
 103         DNS_TYPE_EUI48,
 104         DNS_TYPE_EUI64,
 105
 106         DNS_TYPE_TKEY       = 0xF9,
 107         DNS_TYPE_TSIG,
 108         DNS_TYPE_IXFR,
 109         DNS_TYPE_AXFR,
 110         DNS_TYPE_MAILB,
 111         DNS_TYPE_MAILA,
 112         DNS_TYPE_ANY,
 113         DNS_TYPE_URI,
 114         DNS_TYPE_CAA,
 115         DNS_TYPE_TA         = 0x8000,
 116         DNS_TYPE_DLV,
 117
 118         _DNS_TYPE_MAX,
 119         _DNS_TYPE_INVALID = -1
 120 };
 121
 122 assert_cc(DNS_TYPE_SSHFP == 44);
 123 assert_cc(DNS_TYPE_TLSA == 52);
 124 assert_cc(DNS_TYPE_ANY == 255);