| /* MIT License |
| * |
| * Copyright (c) Massachusetts Institute of Technology |
| * Copyright (c) Daniel Stenberg |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * SPDX-License-Identifier: MIT |
| */ |
| |
| #ifndef ARES_NAMESER_H |
| #define ARES_NAMESER_H |
| |
| #include "ares_build.h" |
| |
| #ifdef CARES_HAVE_ARPA_NAMESER_H |
| # include <arpa/nameser.h> |
| #endif |
| #ifdef CARES_HAVE_ARPA_NAMESER_COMPAT_H |
| # include <arpa/nameser_compat.h> |
| #endif |
| |
| /* ============================================================================ |
| * arpa/nameser.h may or may not provide ALL of the below defines, so check |
| * each one individually and set if not |
| * ============================================================================ |
| */ |
| |
| #ifndef NS_PACKETSZ |
| # define NS_PACKETSZ 512 /* maximum packet size */ |
| #endif |
| |
| #ifndef NS_MAXDNAME |
| # define NS_MAXDNAME 256 /* maximum domain name */ |
| #endif |
| |
| #ifndef NS_MAXCDNAME |
| # define NS_MAXCDNAME 255 /* maximum compressed domain name */ |
| #endif |
| |
| #ifndef NS_MAXLABEL |
| # define NS_MAXLABEL 63 |
| #endif |
| |
| #ifndef NS_HFIXEDSZ |
| # define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ |
| #endif |
| |
| #ifndef NS_QFIXEDSZ |
| # define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ |
| #endif |
| |
| #ifndef NS_RRFIXEDSZ |
| # define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ |
| #endif |
| |
| #ifndef NS_INT16SZ |
| # define NS_INT16SZ 2 |
| #endif |
| |
| #ifndef NS_INADDRSZ |
| # define NS_INADDRSZ 4 |
| #endif |
| |
| #ifndef NS_IN6ADDRSZ |
| # define NS_IN6ADDRSZ 16 |
| #endif |
| |
| #ifndef NS_CMPRSFLGS |
| # define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ |
| #endif |
| |
| #ifndef NS_DEFAULTPORT |
| # define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ |
| #endif |
| |
| /* ============================================================================ |
| * arpa/nameser.h should provide these enumerations always, so if not found, |
| * provide them |
| * ============================================================================ |
| */ |
| #ifndef CARES_HAVE_ARPA_NAMESER_H |
| |
| typedef enum __ns_class { |
| ns_c_invalid = 0, /* Cookie. */ |
| ns_c_in = 1, /* Internet. */ |
| ns_c_2 = 2, /* unallocated/unsupported. */ |
| ns_c_chaos = 3, /* MIT Chaos-net. */ |
| ns_c_hs = 4, /* MIT Hesiod. */ |
| /* Query class values which do not appear in resource records */ |
| ns_c_none = 254, /* for prereq. sections in update requests */ |
| ns_c_any = 255, /* Wildcard match. */ |
| ns_c_max = 65536 |
| } ns_class; |
| |
| typedef enum __ns_type { |
| ns_t_invalid = 0, /* Cookie. */ |
| ns_t_a = 1, /* Host address. */ |
| ns_t_ns = 2, /* Authoritative server. */ |
| ns_t_md = 3, /* Mail destination. */ |
| ns_t_mf = 4, /* Mail forwarder. */ |
| ns_t_cname = 5, /* Canonical name. */ |
| ns_t_soa = 6, /* Start of authority zone. */ |
| ns_t_mb = 7, /* Mailbox domain name. */ |
| ns_t_mg = 8, /* Mail group member. */ |
| ns_t_mr = 9, /* Mail rename name. */ |
| ns_t_null = 10, /* Null resource record. */ |
| ns_t_wks = 11, /* Well known service. */ |
| ns_t_ptr = 12, /* Domain name pointer. */ |
| ns_t_hinfo = 13, /* Host information. */ |
| ns_t_minfo = 14, /* Mailbox information. */ |
| ns_t_mx = 15, /* Mail routing information. */ |
| ns_t_txt = 16, /* Text strings. */ |
| ns_t_rp = 17, /* Responsible person. */ |
| ns_t_afsdb = 18, /* AFS cell database. */ |
| ns_t_x25 = 19, /* X_25 calling address. */ |
| ns_t_isdn = 20, /* ISDN calling address. */ |
| ns_t_rt = 21, /* Router. */ |
| ns_t_nsap = 22, /* NSAP address. */ |
| ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ |
| ns_t_sig = 24, /* Security signature. */ |
| ns_t_key = 25, /* Security key. */ |
| ns_t_px = 26, /* X.400 mail mapping. */ |
| ns_t_gpos = 27, /* Geographical position (withdrawn). */ |
| ns_t_aaaa = 28, /* Ip6 Address. */ |
| ns_t_loc = 29, /* Location Information. */ |
| ns_t_nxt = 30, /* Next domain (security). */ |
| ns_t_eid = 31, /* Endpoint identifier. */ |
| ns_t_nimloc = 32, /* Nimrod Locator. */ |
| ns_t_srv = 33, /* Server Selection. */ |
| ns_t_atma = 34, /* ATM Address */ |
| ns_t_naptr = 35, /* Naming Authority PoinTeR */ |
| ns_t_kx = 36, /* Key Exchange */ |
| ns_t_cert = 37, /* Certification record */ |
| ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */ |
| ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ |
| ns_t_sink = 40, /* Kitchen sink (experimentatl) */ |
| ns_t_opt = 41, /* EDNS0 option (meta-RR) */ |
| ns_t_apl = 42, /* Address prefix list (RFC3123) */ |
| ns_t_ds = 43, /* Delegation Signer (RFC4034) */ |
| ns_t_sshfp = 44, /* SSH Key Fingerprint (RFC4255) */ |
| ns_t_rrsig = 46, /* Resource Record Signature (RFC4034) */ |
| ns_t_nsec = 47, /* Next Secure (RFC4034) */ |
| ns_t_dnskey = 48, /* DNS Public Key (RFC4034) */ |
| ns_t_tkey = 249, /* Transaction key */ |
| ns_t_tsig = 250, /* Transaction signature. */ |
| ns_t_ixfr = 251, /* Incremental zone transfer. */ |
| ns_t_axfr = 252, /* Transfer zone of authority. */ |
| ns_t_mailb = 253, /* Transfer mailbox records. */ |
| ns_t_maila = 254, /* Transfer mail agent records. */ |
| ns_t_any = 255, /* Wildcard match. */ |
| ns_t_uri = 256, /* Uniform Resource Identifier (RFC7553) */ |
| ns_t_caa = 257, /* Certification Authority Authorization. */ |
| ns_t_max = 65536 |
| } ns_type; |
| |
| typedef enum __ns_opcode { |
| ns_o_query = 0, /* Standard query. */ |
| ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ |
| ns_o_status = 2, /* Name server status query (unsupported). */ |
| /* Opcode 3 is undefined/reserved. */ |
| ns_o_notify = 4, /* Zone change notification. */ |
| ns_o_update = 5, /* Zone update message. */ |
| ns_o_max = 6 |
| } ns_opcode; |
| |
| typedef enum __ns_rcode { |
| ns_r_noerror = 0, /* No error occurred. */ |
| ns_r_formerr = 1, /* Format error. */ |
| ns_r_servfail = 2, /* Server failure. */ |
| ns_r_nxdomain = 3, /* Name error. */ |
| ns_r_notimpl = 4, /* Unimplemented. */ |
| ns_r_refused = 5, /* Operation refused. */ |
| /* these are for BIND_UPDATE */ |
| ns_r_yxdomain = 6, /* Name exists */ |
| ns_r_yxrrset = 7, /* RRset exists */ |
| ns_r_nxrrset = 8, /* RRset does not exist */ |
| ns_r_notauth = 9, /* Not authoritative for zone */ |
| ns_r_notzone = 10, /* Zone of record different from zone section */ |
| ns_r_max = 11, |
| /* The following are TSIG extended errors */ |
| ns_r_badsig = 16, |
| ns_r_badkey = 17, |
| ns_r_badtime = 18 |
| } ns_rcode; |
| |
| #endif /* CARES_HAVE_ARPA_NAMESER_H */ |
| |
| |
| /* ============================================================================ |
| * arpa/nameser_compat.h typically sets these. However on some systems |
| * arpa/nameser.h does, but may not set all of them. Lets conditionally |
| * define each |
| * ============================================================================ |
| */ |
| |
| #ifndef PACKETSZ |
| # define PACKETSZ NS_PACKETSZ |
| #endif |
| |
| #ifndef MAXDNAME |
| # define MAXDNAME NS_MAXDNAME |
| #endif |
| |
| #ifndef MAXCDNAME |
| # define MAXCDNAME NS_MAXCDNAME |
| #endif |
| |
| #ifndef MAXLABEL |
| # define MAXLABEL NS_MAXLABEL |
| #endif |
| |
| #ifndef HFIXEDSZ |
| # define HFIXEDSZ NS_HFIXEDSZ |
| #endif |
| |
| #ifndef QFIXEDSZ |
| # define QFIXEDSZ NS_QFIXEDSZ |
| #endif |
| |
| #ifndef RRFIXEDSZ |
| # define RRFIXEDSZ NS_RRFIXEDSZ |
| #endif |
| |
| #ifndef INDIR_MASK |
| # define INDIR_MASK NS_CMPRSFLGS |
| #endif |
| |
| #ifndef NAMESERVER_PORT |
| # define NAMESERVER_PORT NS_DEFAULTPORT |
| #endif |
| |
| |
| /* opcodes */ |
| #ifndef O_QUERY |
| # define O_QUERY 0 /* ns_o_query */ |
| #endif |
| #ifndef O_IQUERY |
| # define O_IQUERY 1 /* ns_o_iquery */ |
| #endif |
| #ifndef O_STATUS |
| # define O_STATUS 2 /* ns_o_status */ |
| #endif |
| #ifndef O_NOTIFY |
| # define O_NOTIFY 4 /* ns_o_notify */ |
| #endif |
| #ifndef O_UPDATE |
| # define O_UPDATE 5 /* ns_o_update */ |
| #endif |
| |
| |
| /* response codes */ |
| #ifndef SERVFAIL |
| # define SERVFAIL ns_r_servfail |
| #endif |
| #ifndef NOTIMP |
| # define NOTIMP ns_r_notimpl |
| #endif |
| #ifndef REFUSED |
| # define REFUSED ns_r_refused |
| #endif |
| #if defined(_WIN32) && !defined(HAVE_ARPA_NAMESER_COMPAT_H) && defined(NOERROR) |
| # undef NOERROR /* it seems this is already defined in winerror.h */ |
| #endif |
| #ifndef NOERROR |
| # define NOERROR ns_r_noerror |
| #endif |
| #ifndef FORMERR |
| # define FORMERR ns_r_formerr |
| #endif |
| #ifndef NXDOMAIN |
| # define NXDOMAIN ns_r_nxdomain |
| #endif |
| /* Non-standard response codes, use numeric values */ |
| #ifndef YXDOMAIN |
| # define YXDOMAIN 6 /* ns_r_yxdomain */ |
| #endif |
| #ifndef YXRRSET |
| # define YXRRSET 7 /* ns_r_yxrrset */ |
| #endif |
| #ifndef NXRRSET |
| # define NXRRSET 8 /* ns_r_nxrrset */ |
| #endif |
| #ifndef NOTAUTH |
| # define NOTAUTH 9 /* ns_r_notauth */ |
| #endif |
| #ifndef NOTZONE |
| # define NOTZONE 10 /* ns_r_notzone */ |
| #endif |
| #ifndef TSIG_BADSIG |
| # define TSIG_BADSIG 16 /* ns_r_badsig */ |
| #endif |
| #ifndef TSIG_BADKEY |
| # define TSIG_BADKEY 17 /* ns_r_badkey */ |
| #endif |
| #ifndef TSIG_BADTIME |
| # define TSIG_BADTIME 18 /* ns_r_badtime */ |
| #endif |
| |
| |
| /* classes */ |
| #ifndef C_IN |
| # define C_IN 1 /* ns_c_in */ |
| #endif |
| #ifndef C_CHAOS |
| # define C_CHAOS 3 /* ns_c_chaos */ |
| #endif |
| #ifndef C_HS |
| # define C_HS 4 /* ns_c_hs */ |
| #endif |
| #ifndef C_NONE |
| # define C_NONE 254 /* ns_c_none */ |
| #endif |
| #ifndef C_ANY |
| # define C_ANY 255 /* ns_c_any */ |
| #endif |
| |
| |
| /* types */ |
| #ifndef T_A |
| # define T_A 1 /* ns_t_a */ |
| #endif |
| #ifndef T_NS |
| # define T_NS 2 /* ns_t_ns */ |
| #endif |
| #ifndef T_MD |
| # define T_MD 3 /* ns_t_md */ |
| #endif |
| #ifndef T_MF |
| # define T_MF 4 /* ns_t_mf */ |
| #endif |
| #ifndef T_CNAME |
| # define T_CNAME 5 /* ns_t_cname */ |
| #endif |
| #ifndef T_SOA |
| # define T_SOA 6 /* ns_t_soa */ |
| #endif |
| #ifndef T_MB |
| # define T_MB 7 /* ns_t_mb */ |
| #endif |
| #ifndef T_MG |
| # define T_MG 8 /* ns_t_mg */ |
| #endif |
| #ifndef T_MR |
| # define T_MR 9 /* ns_t_mr */ |
| #endif |
| #ifndef T_NULL |
| # define T_NULL 10 /* ns_t_null */ |
| #endif |
| #ifndef T_WKS |
| # define T_WKS 11 /* ns_t_wks */ |
| #endif |
| #ifndef T_PTR |
| # define T_PTR 12 /* ns_t_ptr */ |
| #endif |
| #ifndef T_HINFO |
| # define T_HINFO 13 /* ns_t_hinfo */ |
| #endif |
| #ifndef T_MINFO |
| # define T_MINFO 14 /* ns_t_minfo */ |
| #endif |
| #ifndef T_MX |
| # define T_MX 15 /* ns_t_mx */ |
| #endif |
| #ifndef T_TXT |
| # define T_TXT 16 /* ns_t_txt */ |
| #endif |
| #ifndef T_RP |
| # define T_RP 17 /* ns_t_rp */ |
| #endif |
| #ifndef T_AFSDB |
| # define T_AFSDB 18 /* ns_t_afsdb */ |
| #endif |
| #ifndef T_X25 |
| # define T_X25 19 /* ns_t_x25 */ |
| #endif |
| #ifndef T_ISDN |
| # define T_ISDN 20 /* ns_t_isdn */ |
| #endif |
| #ifndef T_RT |
| # define T_RT 21 /* ns_t_rt */ |
| #endif |
| #ifndef T_NSAP |
| # define T_NSAP 22 /* ns_t_nsap */ |
| #endif |
| #ifndef T_NSAP_PTR |
| # define T_NSAP_PTR 23 /* ns_t_nsap_ptr */ |
| #endif |
| #ifndef T_SIG |
| # define T_SIG 24 /* ns_t_sig */ |
| #endif |
| #ifndef T_KEY |
| # define T_KEY 25 /* ns_t_key */ |
| #endif |
| #ifndef T_PX |
| # define T_PX 26 /* ns_t_px */ |
| #endif |
| #ifndef T_GPOS |
| # define T_GPOS 27 /* ns_t_gpos */ |
| #endif |
| #ifndef T_AAAA |
| # define T_AAAA 28 /* ns_t_aaaa */ |
| #endif |
| #ifndef T_LOC |
| # define T_LOC 29 /* ns_t_loc */ |
| #endif |
| #ifndef T_NXT |
| # define T_NXT 30 /* ns_t_nxt */ |
| #endif |
| #ifndef T_EID |
| # define T_EID 31 /* ns_t_eid */ |
| #endif |
| #ifndef T_NIMLOC |
| # define T_NIMLOC 32 /* ns_t_nimloc */ |
| #endif |
| #ifndef T_SRV |
| # define T_SRV 33 /* ns_t_srv */ |
| #endif |
| #ifndef T_ATMA |
| # define T_ATMA 34 /* ns_t_atma */ |
| #endif |
| #ifndef T_NAPTR |
| # define T_NAPTR 35 /* ns_t_naptr */ |
| #endif |
| #ifndef T_KX |
| # define T_KX 36 /* ns_t_kx */ |
| #endif |
| #ifndef T_CERT |
| # define T_CERT 37 /* ns_t_cert */ |
| #endif |
| #ifndef T_A6 |
| # define T_A6 38 /* ns_t_a6 */ |
| #endif |
| #ifndef T_DNAME |
| # define T_DNAME 39 /* ns_t_dname */ |
| #endif |
| #ifndef T_SINK |
| # define T_SINK 40 /* ns_t_sink */ |
| #endif |
| #ifndef T_OPT |
| # define T_OPT 41 /* ns_t_opt */ |
| #endif |
| #ifndef T_APL |
| # define T_APL 42 /* ns_t_apl */ |
| #endif |
| #ifndef T_DS |
| # define T_DS 43 /* ns_t_ds */ |
| #endif |
| #ifndef T_SSHFP |
| # define T_SSHFP 44 /* ns_t_sshfp */ |
| #endif |
| #ifndef T_RRSIG |
| # define T_RRSIG 46 /* ns_t_rrsig */ |
| #endif |
| #ifndef T_NSEC |
| # define T_NSEC 47 /* ns_t_nsec */ |
| #endif |
| #ifndef T_DNSKEY |
| # define T_DNSKEY 48 /* ns_t_dnskey */ |
| #endif |
| #ifndef T_TKEY |
| # define T_TKEY 249 /* ns_t_tkey */ |
| #endif |
| #ifndef T_TSIG |
| # define T_TSIG 250 /* ns_t_tsig */ |
| #endif |
| #ifndef T_IXFR |
| # define T_IXFR 251 /* ns_t_ixfr */ |
| #endif |
| #ifndef T_AXFR |
| # define T_AXFR 252 /* ns_t_axfr */ |
| #endif |
| #ifndef T_MAILB |
| # define T_MAILB 253 /* ns_t_mailb */ |
| #endif |
| #ifndef T_MAILA |
| # define T_MAILA 254 /* ns_t_maila */ |
| #endif |
| #ifndef T_ANY |
| # define T_ANY 255 /* ns_t_any */ |
| #endif |
| #ifndef T_URI |
| # define T_URI 256 /* ns_t_uri */ |
| #endif |
| #ifndef T_CAA |
| # define T_CAA 257 /* ns_t_caa */ |
| #endif |
| #ifndef T_MAX |
| # define T_MAX 65536 /* ns_t_max */ |
| #endif |
| |
| |
| #endif /* ARES_NAMESER_H */ |
