diff options
Diffstat (limited to 'REORG.TODO/resolv/arpa/nameser.h')
| -rw-r--r-- | REORG.TODO/resolv/arpa/nameser.h | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/REORG.TODO/resolv/arpa/nameser.h b/REORG.TODO/resolv/arpa/nameser.h new file mode 100644 index 0000000000..a99d5ec508 --- /dev/null +++ b/REORG.TODO/resolv/arpa/nameser.h @@ -0,0 +1,443 @@ +/* + * Copyright (c) 1983, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#ifndef _ARPA_NAMESER_H_ +#define _ARPA_NAMESER_H_ + +#include <sys/param.h> +#include <sys/types.h> +#include <stdint.h> + +/* + * Define constants based on RFC 883, RFC 1034, RFC 1035 + */ +#define NS_PACKETSZ 512 /*%< default UDP packet size */ +#define NS_MAXDNAME 1025 /*%< maximum domain name */ +#define NS_MAXMSG 65535 /*%< maximum message size */ +#define NS_MAXCDNAME 255 /*%< maximum compressed domain name */ +#define NS_MAXLABEL 63 /*%< maximum length of domain label */ +#define NS_HFIXEDSZ 12 /*%< #/bytes of fixed data in header */ +#define NS_QFIXEDSZ 4 /*%< #/bytes of fixed data in query */ +#define NS_RRFIXEDSZ 10 /*%< #/bytes of fixed data in r record */ +#define NS_INT32SZ 4 /*%< #/bytes of data in a uint32_t */ +#define NS_INT16SZ 2 /*%< #/bytes of data in a uint16_t */ +#define NS_INT8SZ 1 /*%< #/bytes of data in a uint8_t */ +#define NS_INADDRSZ 4 /*%< IPv4 T_A */ +#define NS_IN6ADDRSZ 16 /*%< IPv6 T_AAAA */ +#define NS_CMPRSFLGS 0xc0 /*%< Flag bits indicating name compression. */ +#define NS_DEFAULTPORT 53 /*%< For both TCP and UDP. */ +/* + * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() + * in synch with it. + */ +typedef enum __ns_sect { + ns_s_qd = 0, /*%< Query: Question. */ + ns_s_zn = 0, /*%< Update: Zone. */ + ns_s_an = 1, /*%< Query: Answer. */ + ns_s_pr = 1, /*%< Update: Prerequisites. */ + ns_s_ns = 2, /*%< Query: Name servers. */ + ns_s_ud = 2, /*%< Update: Update. */ + ns_s_ar = 3, /*%< Query|Update: Additional records. */ + ns_s_max = 4 +} ns_sect; + +/*% + * This is a message handle. It is caller allocated and has no dynamic data. + * This structure is intended to be opaque to all but ns_parse.c, thus the + * leading _'s on the member names. Use the accessor functions, not the _'s. + */ +typedef struct __ns_msg { + const unsigned char *_msg, *_eom; + uint16_t _id, _flags, _counts[ns_s_max]; + const unsigned char *_sections[ns_s_max]; + ns_sect _sect; + int _rrnum; + const unsigned char *_msg_ptr; +} ns_msg; + +/* Private data structure - do not use from outside library. */ +struct _ns_flagdata { int mask, shift; }; +extern const struct _ns_flagdata _ns_flagdata[]; + +/* Accessor macros - this is part of the public interface. */ + +#define ns_msg_id(handle) ((handle)._id + 0) +#define ns_msg_base(handle) ((handle)._msg + 0) +#define ns_msg_end(handle) ((handle)._eom + 0) +#define ns_msg_size(handle) ((handle)._eom - (handle)._msg) +#define ns_msg_count(handle, section) ((handle)._counts[section] + 0) + +/*% + * This is a parsed record. It is caller allocated and has no dynamic data. + */ +typedef struct __ns_rr { + char name[NS_MAXDNAME]; + uint16_t type; + uint16_t rr_class; + uint32_t ttl; + uint16_t rdlength; + const unsigned char * rdata; +} ns_rr; + +/* Accessor macros - this is part of the public interface. */ +#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") +#define ns_rr_type(rr) ((ns_type)((rr).type + 0)) +#define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) +#define ns_rr_ttl(rr) ((rr).ttl + 0) +#define ns_rr_rdlen(rr) ((rr).rdlength + 0) +#define ns_rr_rdata(rr) ((rr).rdata + 0) + +/*% + * These don't have to be in the same order as in the packet flags word, + * and they can even overlap in some cases, but they will need to be kept + * in synch with ns_parse.c:ns_flagdata[]. + */ +typedef enum __ns_flag { + ns_f_qr, /*%< Question/Response. */ + ns_f_opcode, /*%< Operation code. */ + ns_f_aa, /*%< Authoritative Answer. */ + ns_f_tc, /*%< Truncation occurred. */ + ns_f_rd, /*%< Recursion Desired. */ + ns_f_ra, /*%< Recursion Available. */ + ns_f_z, /*%< MBZ. */ + ns_f_ad, /*%< Authentic Data (DNSSEC). */ + ns_f_cd, /*%< Checking Disabled (DNSSEC). */ + ns_f_rcode, /*%< Response code. */ + ns_f_max +} ns_flag; + +/*% + * Currently defined opcodes. + */ +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; + +/*% + * Currently defined response codes. + */ +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 EDNS extended rcodes */ + ns_r_badvers = 16, + /* The following are TSIG errors */ + ns_r_badsig = 16, + ns_r_badkey = 17, + ns_r_badtime = 18 +} ns_rcode; + +/* BIND_UPDATE */ +typedef enum __ns_update_operation { + ns_uop_delete = 0, + ns_uop_add = 1, + ns_uop_max = 2 +} ns_update_operation; + +/*% + * This structure is used for TSIG authenticated messages + */ +struct ns_tsig_key { + char name[NS_MAXDNAME], alg[NS_MAXDNAME]; + unsigned char *data; + int len; +}; +typedef struct ns_tsig_key ns_tsig_key; + +/*% + * This structure is used for TSIG authenticated TCP messages + */ +struct ns_tcp_tsig_state { + int counter; + struct dst_key *key; + void *ctx; + unsigned char sig[NS_PACKETSZ]; + int siglen; +}; +typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; + +#define NS_TSIG_FUDGE 300 +#define NS_TSIG_TCP_COUNT 100 +#define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" + +#define NS_TSIG_ERROR_NO_TSIG -10 +#define NS_TSIG_ERROR_NO_SPACE -11 +#define NS_TSIG_ERROR_FORMERR -12 + +/*% + * Currently defined type values for resources and queries. + */ +typedef enum __ns_type + { + ns_t_invalid = 0, + + ns_t_a = 1, + ns_t_ns = 2, + ns_t_md = 3, + ns_t_mf = 4, + ns_t_cname = 5, + ns_t_soa = 6, + ns_t_mb = 7, + ns_t_mg = 8, + ns_t_mr = 9, + ns_t_null = 10, + ns_t_wks = 11, + ns_t_ptr = 12, + ns_t_hinfo = 13, + ns_t_minfo = 14, + ns_t_mx = 15, + ns_t_txt = 16, + ns_t_rp = 17, + ns_t_afsdb = 18, + ns_t_x25 = 19, + ns_t_isdn = 20, + ns_t_rt = 21, + ns_t_nsap = 22, + ns_t_nsap_ptr = 23, + ns_t_sig = 24, + ns_t_key = 25, + ns_t_px = 26, + ns_t_gpos = 27, + ns_t_aaaa = 28, + ns_t_loc = 29, + ns_t_nxt = 30, + ns_t_eid = 31, + ns_t_nimloc = 32, + ns_t_srv = 33, + ns_t_atma = 34, + ns_t_naptr = 35, + ns_t_kx = 36, + ns_t_cert = 37, + ns_t_a6 = 38, + ns_t_dname = 39, + ns_t_sink = 40, + ns_t_opt = 41, + ns_t_apl = 42, + ns_t_ds = 43, + ns_t_sshfp = 44, + ns_t_ipseckey = 45, + ns_t_rrsig = 46, + ns_t_nsec = 47, + ns_t_dnskey = 48, + ns_t_dhcid = 49, + ns_t_nsec3 = 50, + ns_t_nsec3param = 51, + ns_t_tlsa = 52, + ns_t_smimea = 53, + ns_t_hip = 55, + ns_t_ninfo = 56, + ns_t_rkey = 57, + ns_t_talink = 58, + ns_t_cds = 59, + ns_t_cdnskey = 60, + ns_t_openpgpkey = 61, + ns_t_csync = 62, + ns_t_spf = 99, + ns_t_uinfo = 100, + ns_t_uid = 101, + ns_t_gid = 102, + ns_t_unspec = 103, + ns_t_nid = 104, + ns_t_l32 = 105, + ns_t_l64 = 106, + ns_t_lp = 107, + ns_t_eui48 = 108, + ns_t_eui64 = 109, + ns_t_tkey = 249, + ns_t_tsig = 250, + ns_t_ixfr = 251, + ns_t_axfr = 252, + ns_t_mailb = 253, + ns_t_maila = 254, + ns_t_any = 255, + ns_t_uri = 256, + ns_t_caa = 257, + ns_t_avc = 258, + ns_t_ta = 32768, + ns_t_dlv = 32769, + + ns_t_max = 65536 + } ns_type; + +/*% + * Values for class field + */ +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; + +/* Certificate type values in CERT resource records. */ +typedef enum __ns_cert_types { + cert_t_pkix = 1, /*%< PKIX (X.509v3) */ + cert_t_spki = 2, /*%< SPKI */ + cert_t_pgp = 3, /*%< PGP */ + cert_t_url = 253, /*%< URL private type */ + cert_t_oid = 254 /*%< OID private type */ +} ns_cert_types; + +/*% + * EDNS0 extended flags and option codes, host order. + */ +#define NS_OPT_DNSSEC_OK 0x8000U +#define NS_OPT_NSID 3 + +/*% + * Inline versions of get/put short/long. Pointer is advanced. + */ +#define NS_GET16(s, cp) do { \ + const unsigned char *t_cp = (const unsigned char *)(cp); \ + (s) = ((uint16_t)t_cp[0] << 8) \ + | ((uint16_t)t_cp[1]) \ + ; \ + (cp) += NS_INT16SZ; \ +} while (0) + +#define NS_GET32(l, cp) do { \ + const unsigned char *t_cp = (const unsigned char *)(cp); \ + (l) = ((uint32_t)t_cp[0] << 24) \ + | ((uint32_t)t_cp[1] << 16) \ + | ((uint32_t)t_cp[2] << 8) \ + | ((uint32_t)t_cp[3]) \ + ; \ + (cp) += NS_INT32SZ; \ +} while (0) + +#define NS_PUT16(s, cp) do { \ + uint16_t t_s = (uint16_t)(s); \ + unsigned char *t_cp = (unsigned char *)(cp); \ + *t_cp++ = t_s >> 8; \ + *t_cp = t_s; \ + (cp) += NS_INT16SZ; \ +} while (0) + +#define NS_PUT32(l, cp) do { \ + uint32_t t_l = (uint32_t)(l); \ + unsigned char *t_cp = (unsigned char *)(cp); \ + *t_cp++ = t_l >> 24; \ + *t_cp++ = t_l >> 16; \ + *t_cp++ = t_l >> 8; \ + *t_cp = t_l; \ + (cp) += NS_INT32SZ; \ +} while (0) + +__BEGIN_DECLS +int ns_msg_getflag (ns_msg, int) __THROW; +unsigned int ns_get16 (const unsigned char *) __THROW; +unsigned long ns_get32 (const unsigned char *) __THROW; +void ns_put16 (unsigned int, unsigned char *) __THROW; +void ns_put32 (unsigned long, unsigned char *) __THROW; +int ns_initparse (const unsigned char *, int, ns_msg *) __THROW; +int ns_skiprr (const unsigned char *, const unsigned char *, + ns_sect, int) __THROW; +int ns_parserr (ns_msg *, ns_sect, int, ns_rr *) __THROW; +int ns_sprintrr (const ns_msg *, const ns_rr *, + const char *, const char *, char *, size_t) + __THROW; +int ns_sprintrrf (const unsigned char *, size_t, const char *, + ns_class, ns_type, unsigned long, + const unsigned char *, size_t, const char *, + const char *, char *, size_t) __THROW; +int ns_format_ttl (unsigned long, char *, size_t) __THROW; +int ns_parse_ttl (const char *, unsigned long *) __THROW; +uint32_t ns_datetosecs (const char *, int *) __THROW; +int ns_name_ntol (const unsigned char *, unsigned char *, size_t) + __THROW; +int ns_name_ntop (const unsigned char *, char *, size_t) __THROW; +int ns_name_pton (const char *, unsigned char *, size_t) __THROW; +int ns_name_unpack (const unsigned char *, const unsigned char *, + const unsigned char *, unsigned char *, size_t) + __THROW; +int ns_name_pack (const unsigned char *, unsigned char *, int, + const unsigned char **, const unsigned char **) + __THROW; +int ns_name_uncompress (const unsigned char *, + const unsigned char *, + const unsigned char *, + char *, size_t) __THROW; +int ns_name_compress (const char *, unsigned char *, size_t, + const unsigned char **, + const unsigned char **) __THROW; +int ns_name_skip (const unsigned char **, const unsigned char *) + __THROW; +void ns_name_rollback (const unsigned char *, + const unsigned char **, + const unsigned char **) __THROW; +int ns_samedomain (const char *, const char *) __THROW; +int ns_subdomain (const char *, const char *) __THROW; +int ns_makecanon (const char *, char *, size_t) __THROW; +int ns_samename (const char *, const char *) __THROW; +__END_DECLS + +#include <arpa/nameser_compat.h> + +#endif /* !_ARPA_NAMESER_H_ */ +/*! \file */ |