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Diffstat (limited to 'jni/iodine/src/dns_android.h')
| -rw-r--r-- | jni/iodine/src/dns_android.h | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/jni/iodine/src/dns_android.h b/jni/iodine/src/dns_android.h new file mode 100644 index 0000000..f8addf7 --- /dev/null +++ b/jni/iodine/src/dns_android.h @@ -0,0 +1,625 @@ +/* This file is modified to serve minimal requirements of iodine */ + + +/* + * 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. + */ + +/* + * $BINDId: nameser.h,v 8.37 2000/03/30 21:16:49 vixie Exp $ + */ + +#ifndef _ARPA_NAMESER_H_ +#define _ARPA_NAMESER_H_ + +/*% + * Revision information. This is the release date in YYYYMMDD format. + * It can change every day so the right thing to do with it is use it + * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not + * compare for equality; rather, use it to determine whether your libbind.a + * contains a new enough lib/nameser/ to support the feature you need. + */ + +#define __NAMESER 19991006 /*%< New interface version stamp. */ +/* + * 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 u_int32_t */ +#define NS_INT16SZ 2 /*%< #/bytes of data in a u_int16_t */ +#define NS_INT8SZ 1 /*%< #/bytes of data in a u_int8_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 u_char *_msg, *_eom; + u_int16_t _id, _flags, _counts[ns_s_max]; + const u_char *_sections[ns_s_max]; + ns_sect _sect; + int _rrnum; + const u_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]; + u_int16_t type; + u_int16_t rr_class; + u_int32_t ttl; + u_int16_t rdlength; + const u_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, /*%< 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 (deprecated, use ns_t_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_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_zxfr = 256, /*%< BIND-specific, nonstandard. */ + ns_t_max = 65536 +} ns_type; + +/* Exclusively a QTYPE? (not also an RTYPE) */ +#define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ + (t) == ns_t_mailb || (t) == ns_t_maila) +/* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ +#define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) +/* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ +#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) +#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) +#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ + (t) == ns_t_zxfr) + +/*% + * 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; + +/* DNSSEC constants. */ + +typedef enum __ns_key_types { + ns_kt_rsa = 1, /*%< key type RSA/MD5 */ + ns_kt_dh = 2, /*%< Diffie Hellman */ + ns_kt_dsa = 3, /*%< Digital Signature Standard (MANDATORY) */ + ns_kt_private = 254 /*%< Private key type starts with OID */ +} ns_key_types; + +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; + +/* Flags field of the KEY RR rdata. */ +#define NS_KEY_TYPEMASK 0xC000 /*%< Mask for "type" bits */ +#define NS_KEY_TYPE_AUTH_CONF 0x0000 /*%< Key usable for both */ +#define NS_KEY_TYPE_CONF_ONLY 0x8000 /*%< Key usable for confidentiality */ +#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /*%< Key usable for authentication */ +#define NS_KEY_TYPE_NO_KEY 0xC000 /*%< No key usable for either; no key */ +/* The type bits can also be interpreted independently, as single bits: */ +#define NS_KEY_NO_AUTH 0x8000 /*%< Key unusable for authentication */ +#define NS_KEY_NO_CONF 0x4000 /*%< Key unusable for confidentiality */ +#define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ +#define NS_KEY_EXTENDED_FLAGS 0x1000 /*%< reserved - must be zero */ +#define NS_KEY_RESERVED4 0x0800 /*%< reserved - must be zero */ +#define NS_KEY_RESERVED5 0x0400 /*%< reserved - must be zero */ +#define NS_KEY_NAME_TYPE 0x0300 /*%< these bits determine the type */ +#define NS_KEY_NAME_USER 0x0000 /*%< key is assoc. with user */ +#define NS_KEY_NAME_ENTITY 0x0200 /*%< key is assoc. with entity eg host */ +#define NS_KEY_NAME_ZONE 0x0100 /*%< key is zone key */ +#define NS_KEY_NAME_RESERVED 0x0300 /*%< reserved meaning */ +#define NS_KEY_RESERVED8 0x0080 /*%< reserved - must be zero */ +#define NS_KEY_RESERVED9 0x0040 /*%< reserved - must be zero */ +#define NS_KEY_RESERVED10 0x0020 /*%< reserved - must be zero */ +#define NS_KEY_RESERVED11 0x0010 /*%< reserved - must be zero */ +#define NS_KEY_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */ +#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ + NS_KEY_RESERVED4 | \ + NS_KEY_RESERVED5 | \ + NS_KEY_RESERVED8 | \ + NS_KEY_RESERVED9 | \ + NS_KEY_RESERVED10 | \ + NS_KEY_RESERVED11 ) +#define NS_KEY_RESERVED_BITMASK2 0xFFFF /*%< no bits defined here */ +/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ +#define NS_ALG_MD5RSA 1 /*%< MD5 with RSA */ +#define NS_ALG_DH 2 /*%< Diffie Hellman KEY */ +#define NS_ALG_DSA 3 /*%< DSA KEY */ +#define NS_ALG_DSS NS_ALG_DSA +#define NS_ALG_EXPIRE_ONLY 253 /*%< No alg, no security */ +#define NS_ALG_PRIVATE_OID 254 /*%< Key begins with OID giving alg */ +/* Protocol values */ +/* value 0 is reserved */ +#define NS_KEY_PROT_TLS 1 +#define NS_KEY_PROT_EMAIL 2 +#define NS_KEY_PROT_DNSSEC 3 +#define NS_KEY_PROT_IPSEC 4 +#define NS_KEY_PROT_ANY 255 + +/* Signatures */ +#define NS_MD5RSA_MIN_BITS 512 /*%< Size of a mod or exp in bits */ +#define NS_MD5RSA_MAX_BITS 4096 + /* Total of binary mod and exp */ +#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) + /* Max length of text sig block */ +#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) +#define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) +#define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) + +#define NS_DSA_SIG_SIZE 41 +#define NS_DSA_MIN_SIZE 213 +#define NS_DSA_MAX_BYTES 405 + +/* Offsets into SIG record rdata to find various values */ +#define NS_SIG_TYPE 0 /*%< Type flags */ +#define NS_SIG_ALG 2 /*%< Algorithm */ +#define NS_SIG_LABELS 3 /*%< How many labels in name */ +#define NS_SIG_OTTL 4 /*%< Original TTL */ +#define NS_SIG_EXPIR 8 /*%< Expiration time */ +#define NS_SIG_SIGNED 12 /*%< Signature time */ +#define NS_SIG_FOOT 16 /*%< Key footprint */ +#define NS_SIG_SIGNER 18 /*%< Domain name of who signed it */ +/* How RR types are represented as bit-flags in NXT records */ +#define NS_NXT_BITS 8 +#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) +#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) +#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) +#define NS_NXT_MAX 127 + +/*% + * 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 { \ + register const u_char *t_cp = (const u_char *)(cp); \ + (s) = ((u_int16_t)t_cp[0] << 8) \ + | ((u_int16_t)t_cp[1]) \ + ; \ + (cp) += NS_INT16SZ; \ +} while (0) + +#define NS_GET32(l, cp) do { \ + register const u_char *t_cp = (const u_char *)(cp); \ + (l) = ((u_int32_t)t_cp[0] << 24) \ + | ((u_int32_t)t_cp[1] << 16) \ + | ((u_int32_t)t_cp[2] << 8) \ + | ((u_int32_t)t_cp[3]) \ + ; \ + (cp) += NS_INT32SZ; \ +} while (0) + +#define NS_PUT16(s, cp) do { \ + register u_int16_t t_s = (u_int16_t)(s); \ + register u_char *t_cp = (u_char *)(cp); \ + *t_cp++ = t_s >> 8; \ + *t_cp = t_s; \ + (cp) += NS_INT16SZ; \ +} while (0) + +#define NS_PUT32(l, cp) do { \ + register u_int32_t t_l = (u_int32_t)(l); \ + register u_char *t_cp = (u_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) + +#endif /* !_ARPA_NAMESER_H_ */ +/*! \file */ + + + +/*% + * from nameser.h 8.1 (Berkeley) 6/2/93 + * $BINDId: nameser_compat.h,v 8.11 1999/01/02 08:00:58 vixie Exp $ + */ + +#ifndef _ARPA_NAMESER_COMPAT_ +#define _ARPA_NAMESER_COMPAT_ + +#define __BIND 19950621 /*%< (DEAD) interface version stamp. */ + +#include <endian.h> + +/*% + * Structure for query header. The order of the fields is machine- and + * compiler-dependent, depending on the byte/bit order and the layout + * of bit fields. We use bit fields only in int variables, as this + * is all ANSI requires. This requires a somewhat confusing rearrangement. + */ + +typedef struct { + unsigned id :16; /*%< query identification number */ +#if BYTE_ORDER == BIG_ENDIAN + /* fields in third byte */ + unsigned qr: 1; /*%< response flag */ + unsigned opcode: 4; /*%< purpose of message */ + unsigned aa: 1; /*%< authoritive answer */ + unsigned tc: 1; /*%< truncated message */ + unsigned rd: 1; /*%< recursion desired */ + /* fields in fourth byte */ + unsigned ra: 1; /*%< recursion available */ + unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */ + unsigned ad: 1; /*%< authentic data from named */ + unsigned cd: 1; /*%< checking disabled by resolver */ + unsigned rcode :4; /*%< response code */ +#endif +#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN + /* fields in third byte */ + unsigned rd :1; /*%< recursion desired */ + unsigned tc :1; /*%< truncated message */ + unsigned aa :1; /*%< authoritive answer */ + unsigned opcode :4; /*%< purpose of message */ + unsigned qr :1; /*%< response flag */ + /* fields in fourth byte */ + unsigned rcode :4; /*%< response code */ + unsigned cd: 1; /*%< checking disabled by resolver */ + unsigned ad: 1; /*%< authentic data from named */ + unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */ + unsigned ra :1; /*%< recursion available */ +#endif + /* remaining bytes */ + unsigned qdcount :16; /*%< number of question entries */ + unsigned ancount :16; /*%< number of answer entries */ + unsigned nscount :16; /*%< number of authority entries */ + unsigned arcount :16; /*%< number of resource entries */ +} HEADER; + +#define PACKETSZ NS_PACKETSZ +#define MAXDNAME NS_MAXDNAME +#define MAXCDNAME NS_MAXCDNAME +#define MAXLABEL NS_MAXLABEL +#define HFIXEDSZ NS_HFIXEDSZ +#define QFIXEDSZ NS_QFIXEDSZ +#define RRFIXEDSZ NS_RRFIXEDSZ +#define INT32SZ NS_INT32SZ +#define INT16SZ NS_INT16SZ +#define INT8SZ NS_INT8SZ +#define INADDRSZ NS_INADDRSZ +#define IN6ADDRSZ NS_IN6ADDRSZ +#define INDIR_MASK NS_CMPRSFLGS +#define NAMESERVER_PORT NS_DEFAULTPORT + +#define S_ZONE ns_s_zn +#define S_PREREQ ns_s_pr +#define S_UPDATE ns_s_ud +#define S_ADDT ns_s_ar + +#define QUERY ns_o_query +#define IQUERY ns_o_iquery +#define STATUS ns_o_status +#define NS_NOTIFY_OP ns_o_notify +#define NS_UPDATE_OP ns_o_update + +#define NOERROR ns_r_noerror +#define FORMERR ns_r_formerr +#define SERVFAIL ns_r_servfail +#define NXDOMAIN ns_r_nxdomain +#define NOTIMP ns_r_notimpl +#define REFUSED ns_r_refused +#define YXDOMAIN ns_r_yxdomain +#define YXRRSET ns_r_yxrrset +#define NXRRSET ns_r_nxrrset +#define NOTAUTH ns_r_notauth +#define NOTZONE ns_r_notzone +/*#define BADSIG ns_r_badsig*/ +/*#define BADKEY ns_r_badkey*/ +/*#define BADTIME ns_r_badtime*/ + + +#define DELETE ns_uop_delete +#define ADD ns_uop_add + +#define T_A ns_t_a +#define T_NS ns_t_ns +#define T_MD ns_t_md +#define T_MF ns_t_mf +#define T_CNAME ns_t_cname +#define T_SOA ns_t_soa +#define T_MB ns_t_mb +#define T_MG ns_t_mg +#define T_MR ns_t_mr +#define T_NULL ns_t_null +#define T_WKS ns_t_wks +#define T_PTR ns_t_ptr +#define T_HINFO ns_t_hinfo +#define T_MINFO ns_t_minfo +#define T_MX ns_t_mx +#define T_TXT ns_t_txt +#define T_RP ns_t_rp +#define T_AFSDB ns_t_afsdb +#define T_X25 ns_t_x25 +#define T_ISDN ns_t_isdn +#define T_RT ns_t_rt +#define T_NSAP ns_t_nsap +#define T_NSAP_PTR ns_t_nsap_ptr +#define T_SIG ns_t_sig +#define T_KEY ns_t_key +#define T_PX ns_t_px +#define T_GPOS ns_t_gpos +#define T_AAAA ns_t_aaaa +#define T_LOC ns_t_loc +#define T_NXT ns_t_nxt +#define T_EID ns_t_eid +#define T_NIMLOC ns_t_nimloc +#define T_SRV ns_t_srv +#define T_ATMA ns_t_atma +#define T_NAPTR ns_t_naptr +#define T_A6 ns_t_a6 +#define T_DNAME ns_t_dname +#define T_TSIG ns_t_tsig +#define T_IXFR ns_t_ixfr +#define T_AXFR ns_t_axfr +#define T_MAILB ns_t_mailb +#define T_MAILA ns_t_maila +#define T_ANY ns_t_any + +#define C_IN ns_c_in +#define C_CHAOS ns_c_chaos +#define C_HS ns_c_hs +/* BIND_UPDATE */ +#define C_NONE ns_c_none +#define C_ANY ns_c_any + +#define GETSHORT NS_GET16 +#define GETLONG NS_GET32 +#define PUTSHORT NS_PUT16 +#define PUTLONG NS_PUT32 + +#endif /* _ARPA_NAMESER_COMPAT_ */ +/*! \file */ |