#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 */