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Update DNS RR type definitions [BZ #20593]
This commit includes a new script which allows generating parts of the header files from IANA DNS parameters protocol registry.
This commit is contained in:
Florian Weimer
parent
fc82b0a2df
commit
4f157746e0
24
ChangeLog
24
ChangeLog
@ -1,3 +1,27 @@
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2016-12-31 Florian Weimer <fweimer@redhat.com>
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[BZ #20593]
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Update DNS RR type definitions.
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* scripts/gen-rrtypes.py: New file.
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* resolv/arpa/nameser.h (ns_type): Remove ns_t_zxfr, a
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BIND-internal RR type not used on the Internet. Add ns_t_ds,
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ns_t_sshfp, ns_t_ipseckey, ns_t_rrsig, ns_t_nsec, ns_t_dnskey,
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ns_t_dhcid, ns_t_nsec3, ns_t_nsec3param, ns_t_tlsa, ns_t_smimea,
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ns_t_hip, ns_t_ninfo, ns_t_rkey, ns_t_talink, ns_t_cds,
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ns_t_cdnskey, ns_t_openpgpkey, ns_t_csync, ns_t_spf, ns_t_uinfo,
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ns_t_uid, ns_t_gid, ns_t_unspec, ns_t_nid, ns_t_l32, ns_t_l64,
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ns_t_lp, ns_t_eui48, ns_t_eui64, ns_t_uri, ns_t_caa, ns_t_avc,
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ns_t_ta, ns_t_dlv.
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* resolv/arpa/nameser_compat.h (T_KX, T_CERT, T_SINK, T_OPT)
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(T_APL, T_DS, T_SSHFP, T_IPSECKEY, T_RRSIG, T_NSEC, T_DNSKEY)
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(T_DHCID, T_NSEC3, T_NSEC3PARAM, T_TLSA, T_SMIMEA, T_HIP, T_NINFO)
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(T_RKEY, T_TALINK, T_CDS, T_CDNSKEY, T_OPENPGPKEY, T_CSYNC, T_SPF)
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(T_UINFO, T_UID, T_GID, T_UNSPEC, T_NID, T_L32, T_L64, T_LP)
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(T_EUI48, T_EUI64, T_TKEY, T_URI, T_CAA, T_AVC, T_TA, T_DLV):
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Define.
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* resolv/res_debug.c (__p_type_syms): Update comment. Remove
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entry for ns_t_zxfr.
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2016-12-31 Florian Weimer <fweimer@redhat.com>
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[BZ #18784]
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@ -228,60 +228,97 @@ typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
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/*%
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* Currently defined type values for resources and queries.
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*/
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typedef enum __ns_type {
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ns_t_invalid = 0, /*%< Cookie. */
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ns_t_a = 1, /*%< Host address. */
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ns_t_ns = 2, /*%< Authoritative server. */
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ns_t_md = 3, /*%< Mail destination. */
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ns_t_mf = 4, /*%< Mail forwarder. */
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ns_t_cname = 5, /*%< Canonical name. */
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ns_t_soa = 6, /*%< Start of authority zone. */
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ns_t_mb = 7, /*%< Mailbox domain name. */
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ns_t_mg = 8, /*%< Mail group member. */
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ns_t_mr = 9, /*%< Mail rename name. */
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ns_t_null = 10, /*%< Null resource record. */
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ns_t_wks = 11, /*%< Well known service. */
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ns_t_ptr = 12, /*%< Domain name pointer. */
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ns_t_hinfo = 13, /*%< Host information. */
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ns_t_minfo = 14, /*%< Mailbox information. */
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ns_t_mx = 15, /*%< Mail routing information. */
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ns_t_txt = 16, /*%< Text strings. */
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ns_t_rp = 17, /*%< Responsible person. */
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ns_t_afsdb = 18, /*%< AFS cell database. */
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ns_t_x25 = 19, /*%< X_25 calling address. */
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ns_t_isdn = 20, /*%< ISDN calling address. */
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ns_t_rt = 21, /*%< Router. */
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ns_t_nsap = 22, /*%< NSAP address. */
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ns_t_nsap_ptr = 23, /*%< Reverse NSAP lookup (deprecated). */
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ns_t_sig = 24, /*%< Security signature. */
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ns_t_key = 25, /*%< Security key. */
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ns_t_px = 26, /*%< X.400 mail mapping. */
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ns_t_gpos = 27, /*%< Geographical position (withdrawn). */
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ns_t_aaaa = 28, /*%< Ip6 Address. */
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ns_t_loc = 29, /*%< Location Information. */
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ns_t_nxt = 30, /*%< Next domain (security). */
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ns_t_eid = 31, /*%< Endpoint identifier. */
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ns_t_nimloc = 32, /*%< Nimrod Locator. */
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ns_t_srv = 33, /*%< Server Selection. */
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ns_t_atma = 34, /*%< ATM Address */
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ns_t_naptr = 35, /*%< Naming Authority PoinTeR */
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ns_t_kx = 36, /*%< Key Exchange */
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ns_t_cert = 37, /*%< Certification record */
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ns_t_a6 = 38, /*%< IPv6 address (deprecated, use ns_t_aaaa) */
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ns_t_dname = 39, /*%< Non-terminal DNAME (for IPv6) */
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ns_t_sink = 40, /*%< Kitchen sink (experimentatl) */
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ns_t_opt = 41, /*%< EDNS0 option (meta-RR) */
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ns_t_apl = 42, /*%< Address prefix list (RFC3123) */
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ns_t_tkey = 249, /*%< Transaction key */
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ns_t_tsig = 250, /*%< Transaction signature. */
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ns_t_ixfr = 251, /*%< Incremental zone transfer. */
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ns_t_axfr = 252, /*%< Transfer zone of authority. */
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ns_t_mailb = 253, /*%< Transfer mailbox records. */
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ns_t_maila = 254, /*%< Transfer mail agent records. */
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ns_t_any = 255, /*%< Wildcard match. */
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ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */
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ns_t_max = 65536
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} ns_type;
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typedef enum __ns_type
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{
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ns_t_invalid = 0,
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ns_t_a = 1,
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ns_t_ns = 2,
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ns_t_md = 3,
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ns_t_mf = 4,
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ns_t_cname = 5,
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ns_t_soa = 6,
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ns_t_mb = 7,
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ns_t_mg = 8,
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ns_t_mr = 9,
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ns_t_null = 10,
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ns_t_wks = 11,
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ns_t_ptr = 12,
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ns_t_hinfo = 13,
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ns_t_minfo = 14,
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ns_t_mx = 15,
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ns_t_txt = 16,
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ns_t_rp = 17,
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ns_t_afsdb = 18,
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ns_t_x25 = 19,
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ns_t_isdn = 20,
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ns_t_rt = 21,
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ns_t_nsap = 22,
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ns_t_nsap_ptr = 23,
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ns_t_sig = 24,
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ns_t_key = 25,
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ns_t_px = 26,
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ns_t_gpos = 27,
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ns_t_aaaa = 28,
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ns_t_loc = 29,
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ns_t_nxt = 30,
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ns_t_eid = 31,
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ns_t_nimloc = 32,
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ns_t_srv = 33,
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ns_t_atma = 34,
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ns_t_naptr = 35,
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ns_t_kx = 36,
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ns_t_cert = 37,
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ns_t_a6 = 38,
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ns_t_dname = 39,
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ns_t_sink = 40,
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ns_t_opt = 41,
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ns_t_apl = 42,
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ns_t_ds = 43,
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ns_t_sshfp = 44,
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ns_t_ipseckey = 45,
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ns_t_rrsig = 46,
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ns_t_nsec = 47,
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ns_t_dnskey = 48,
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ns_t_dhcid = 49,
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ns_t_nsec3 = 50,
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ns_t_nsec3param = 51,
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ns_t_tlsa = 52,
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ns_t_smimea = 53,
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ns_t_hip = 55,
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ns_t_ninfo = 56,
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ns_t_rkey = 57,
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ns_t_talink = 58,
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ns_t_cds = 59,
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ns_t_cdnskey = 60,
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ns_t_openpgpkey = 61,
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ns_t_csync = 62,
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ns_t_spf = 99,
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ns_t_uinfo = 100,
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ns_t_uid = 101,
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ns_t_gid = 102,
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ns_t_unspec = 103,
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ns_t_nid = 104,
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ns_t_l32 = 105,
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ns_t_l64 = 106,
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ns_t_lp = 107,
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ns_t_eui48 = 108,
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ns_t_eui64 = 109,
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ns_t_tkey = 249,
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ns_t_tsig = 250,
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ns_t_ixfr = 251,
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ns_t_axfr = 252,
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ns_t_mailb = 253,
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ns_t_maila = 254,
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ns_t_any = 255,
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ns_t_uri = 256,
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ns_t_caa = 257,
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ns_t_avc = 258,
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ns_t_ta = 32768,
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ns_t_dlv = 32769,
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ns_t_max = 65536
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} ns_type;
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/*%
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* Values for class field
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@ -120,49 +120,90 @@ typedef struct {
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#define DELETE ns_uop_delete
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#define ADD ns_uop_add
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#define T_A ns_t_a
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#define T_NS ns_t_ns
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#define T_MD ns_t_md
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#define T_MF ns_t_mf
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#define T_CNAME ns_t_cname
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#define T_SOA ns_t_soa
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#define T_MB ns_t_mb
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#define T_MG ns_t_mg
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#define T_MR ns_t_mr
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#define T_NULL ns_t_null
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#define T_WKS ns_t_wks
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#define T_PTR ns_t_ptr
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#define T_HINFO ns_t_hinfo
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#define T_MINFO ns_t_minfo
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#define T_MX ns_t_mx
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#define T_TXT ns_t_txt
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#define T_RP ns_t_rp
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#define T_AFSDB ns_t_afsdb
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#define T_X25 ns_t_x25
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#define T_ISDN ns_t_isdn
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#define T_RT ns_t_rt
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#define T_NSAP ns_t_nsap
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#define T_NSAP_PTR ns_t_nsap_ptr
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#define T_SIG ns_t_sig
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#define T_KEY ns_t_key
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#define T_PX ns_t_px
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#define T_GPOS ns_t_gpos
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#define T_AAAA ns_t_aaaa
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#define T_LOC ns_t_loc
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#define T_NXT ns_t_nxt
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#define T_EID ns_t_eid
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#define T_NIMLOC ns_t_nimloc
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#define T_SRV ns_t_srv
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#define T_ATMA ns_t_atma
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#define T_NAPTR ns_t_naptr
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#define T_A6 ns_t_a6
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#define T_DNAME ns_t_dname
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#define T_TSIG ns_t_tsig
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#define T_IXFR ns_t_ixfr
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#define T_AXFR ns_t_axfr
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#define T_MAILB ns_t_mailb
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#define T_MAILA ns_t_maila
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#define T_ANY ns_t_any
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#define T_A ns_t_a
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#define T_NS ns_t_ns
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#define T_MD ns_t_md
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#define T_MF ns_t_mf
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#define T_CNAME ns_t_cname
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#define T_SOA ns_t_soa
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#define T_MB ns_t_mb
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#define T_MG ns_t_mg
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#define T_MR ns_t_mr
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#define T_NULL ns_t_null
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#define T_WKS ns_t_wks
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#define T_PTR ns_t_ptr
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#define T_HINFO ns_t_hinfo
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#define T_MINFO ns_t_minfo
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#define T_MX ns_t_mx
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#define T_TXT ns_t_txt
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#define T_RP ns_t_rp
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#define T_AFSDB ns_t_afsdb
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#define T_X25 ns_t_x25
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#define T_ISDN ns_t_isdn
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#define T_RT ns_t_rt
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#define T_NSAP ns_t_nsap
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#define T_NSAP_PTR ns_t_nsap_ptr
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#define T_SIG ns_t_sig
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#define T_KEY ns_t_key
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#define T_PX ns_t_px
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#define T_GPOS ns_t_gpos
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#define T_AAAA ns_t_aaaa
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#define T_LOC ns_t_loc
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#define T_NXT ns_t_nxt
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#define T_EID ns_t_eid
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#define T_NIMLOC ns_t_nimloc
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#define T_SRV ns_t_srv
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#define T_ATMA ns_t_atma
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#define T_NAPTR ns_t_naptr
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#define T_KX ns_t_kx
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#define T_CERT ns_t_cert
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#define T_A6 ns_t_a6
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#define T_DNAME ns_t_dname
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#define T_SINK ns_t_sink
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#define T_OPT ns_t_opt
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#define T_APL ns_t_apl
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#define T_DS ns_t_ds
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#define T_SSHFP ns_t_sshfp
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#define T_IPSECKEY ns_t_ipseckey
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#define T_RRSIG ns_t_rrsig
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#define T_NSEC ns_t_nsec
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#define T_DNSKEY ns_t_dnskey
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#define T_DHCID ns_t_dhcid
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#define T_NSEC3 ns_t_nsec3
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#define T_NSEC3PARAM ns_t_nsec3param
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#define T_TLSA ns_t_tlsa
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#define T_SMIMEA ns_t_smimea
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#define T_HIP ns_t_hip
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#define T_NINFO ns_t_ninfo
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#define T_RKEY ns_t_rkey
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#define T_TALINK ns_t_talink
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#define T_CDS ns_t_cds
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#define T_CDNSKEY ns_t_cdnskey
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#define T_OPENPGPKEY ns_t_openpgpkey
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#define T_CSYNC ns_t_csync
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#define T_SPF ns_t_spf
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#define T_UINFO ns_t_uinfo
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#define T_UID ns_t_uid
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#define T_GID ns_t_gid
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#define T_UNSPEC ns_t_unspec
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#define T_NID ns_t_nid
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#define T_L32 ns_t_l32
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#define T_L64 ns_t_l64
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#define T_LP ns_t_lp
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#define T_EUI48 ns_t_eui48
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#define T_EUI64 ns_t_eui64
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#define T_TKEY ns_t_tkey
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#define T_TSIG ns_t_tsig
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#define T_IXFR ns_t_ixfr
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#define T_AXFR ns_t_axfr
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#define T_MAILB ns_t_mailb
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#define T_MAILA ns_t_maila
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#define T_ANY ns_t_any
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#define T_URI ns_t_uri
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#define T_CAA ns_t_caa
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#define T_AVC ns_t_avc
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#define T_TA ns_t_ta
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#define T_DLV ns_t_dlv
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#define C_IN ns_c_in
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#define C_CHAOS ns_c_chaos
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@ -372,9 +372,8 @@ const struct res_sym __p_update_section_syms[] attribute_hidden = {
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};
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/*
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* Names of RR types and qtypes. Types and qtypes are the same, except
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* that T_ANY is a qtype but not a type. (You can ask for records of type
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* T_ANY, but you can't have any records of that type in the database.)
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* Names of RR types and qtypes. The list is incomplete because its
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* size is part of the ABI.
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*/
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extern const struct res_sym __p_type_syms[];
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libresolv_hidden_proto (__p_type_syms)
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@ -418,13 +417,13 @@ const struct res_sym __p_type_syms[] = {
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{ns_t_tsig, (char *) "TSIG", (char *) "transaction signature"},
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{ns_t_ixfr, (char *) "IXFR", (char *) "incremental zone transfer"},
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{ns_t_axfr, (char *) "AXFR", (char *) "zone transfer"},
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{ns_t_zxfr, (char *) "ZXFR", (char *) "compressed zone transfer"},
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{ns_t_mailb, (char *) "MAILB", (char *) "mailbox-related data (deprecated)"},
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{ns_t_maila, (char *) "MAILA", (char *) "mail agent (deprecated)"},
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{ns_t_naptr, (char *) "NAPTR", (char *) "URN Naming Authority"},
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{ns_t_kx, (char *) "KX", (char *) "Key Exchange"},
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{ns_t_cert, (char *) "CERT", (char *) "Certificate"},
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{ns_t_any, (char *) "ANY", (char *) "\"any\""},
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{0, NULL, NULL}, /* Padding to preserve ABI. */
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{0, NULL, NULL}
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};
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libresolv_hidden_data_def (__p_type_syms)
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68
scripts/gen-rrtypes.py
Normal file
68
scripts/gen-rrtypes.py
Normal file
@ -0,0 +1,68 @@
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#!/usr/bin/python3
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# Generate DNS RR type constants for resolv header files.
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# Copyright (C) 2016 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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#
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
|
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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# Lesser General Public License for more details.
|
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#
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# You should have received a copy of the GNU Lesser General Public
|
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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"""Generate DNS RR type constants for resolv header files.
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resolv/arpa/nameser.h and resolv/arpa/nameser_compat.h contain lists
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of RR type constants. This script downloads the current definitions
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from the IANA DNS Parameters protocol registry and translates it into
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the two different lists.
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Two lists are written to standard output. The first one contains enum
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constants for resolv/arpa/nameser.h. The second one lists the
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preprocessor macros for resolv/arpa/nameser_compat.h.
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||||
|
||||
"""
|
||||
|
||||
# URL of the IANA registry.
|
||||
source = "http://www.iana.org/assignments/dns-parameters/dns-parameters-4.csv"
|
||||
|
||||
import collections
|
||||
import csv
|
||||
import io
|
||||
import urllib.request
|
||||
|
||||
Type = collections.namedtuple("Type", "name number comment")
|
||||
|
||||
def get_types(source):
|
||||
for row in csv.reader(io.TextIOWrapper(urllib.request.urlopen(source))):
|
||||
if row[0] in ('TYPE', 'Unassigned', 'Private use', 'Reserved'):
|
||||
continue
|
||||
name, number, comment = row[:3]
|
||||
if name == '*':
|
||||
name = 'ANY'
|
||||
comment = 'request for all cached records'
|
||||
number = int(number)
|
||||
yield Type(name, number, comment)
|
||||
|
||||
types = list(get_types(source))
|
||||
|
||||
print("// enum constants for resolv/arpa/nameser.h")
|
||||
print()
|
||||
for typ in types:
|
||||
name = typ.name.replace("-", "_").lower()
|
||||
print(" ns_t_{0} = {1.number},".format(name, typ))
|
||||
print()
|
||||
|
||||
print("// macro aliases resolv/arpa/nameser_compat.h")
|
||||
print()
|
||||
for typ in types:
|
||||
name = typ.name.replace("-", "_")
|
||||
print("#define T_{0} ns_t_{1}".format(name.upper(), name.lower()))
|
||||
print()
|
||||
Loading…
Reference in New Issue
Block a user