--- /dev/null
+/*
+ * 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 */
projects / cross.git / blobdiff