diff options
Diffstat (limited to 'include/arpa/nameser.h')
| -rw-r--r-- | include/arpa/nameser.h | 156 |
1 files changed, 128 insertions, 28 deletions
diff --git a/include/arpa/nameser.h b/include/arpa/nameser.h index 1f5ce45..448edd7 100644 --- a/include/arpa/nameser.h +++ b/include/arpa/nameser.h @@ -1,7 +1,24 @@ /* + * Portions Copyright (C) 2004, 2005, 2008, 2009 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 1996-2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC 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. + */ + +/* * 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: @@ -13,7 +30,7 @@ * 3. 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 @@ -28,24 +45,7 @@ */ /* - * 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 ISC DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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. - */ - -/* - * $Id: nameser.h,v 1.7.18.2 2008/04/03 23:15:15 marka Exp $ + * $Id: nameser.h,v 1.16 2009/03/03 01:52:48 each Exp $ * $FreeBSD$ */ @@ -68,15 +68,18 @@ * contains a new enough lib/nameser/ to support the feature you need. */ -#define __NAMESER 19991006 /*%< New interface version stamp. */ +#define __NAMESER 20090302 /*%< New interface version stamp. */ /* * Define constants based on RFC0883, RFC1034, RFC 1035 */ #define NS_PACKETSZ 512 /*%< default UDP packet size */ -#define NS_MAXDNAME 1025 /*%< maximum domain name */ +#define NS_MAXDNAME 1025 /*%< maximum domain name (presentation format)*/ #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_MAXLABELS 128 /*%< theoretical max #/labels per domain name */ +#define NS_MAXNNAME 256 /*%< maximum uncompressed (binary) domain name*/ +#define NS_MAXPADDR (sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff") #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 */ @@ -103,6 +106,18 @@ typedef enum __ns_sect { } ns_sect; /*% + * Network name (compressed or not) type. Equivilent to a pointer when used + * in a function prototype. Can be const'd. + */ +typedef u_char ns_nname[NS_MAXNNAME]; +typedef const u_char *ns_nname_ct; +typedef u_char *ns_nname_t; + +struct ns_namemap { ns_nname_ct base; int len; }; +typedef struct ns_namemap *ns_namemap_t; +typedef const struct ns_namemap *ns_namemap_ct; + +/*% * 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. @@ -116,6 +131,17 @@ typedef struct __ns_msg { const u_char *_msg_ptr; } ns_msg; +/* + * This is a newmsg handle, used when constructing new messages with + * ns_newmsg_init, et al. + */ +struct ns_newmsg { + ns_msg msg; + const u_char *dnptrs[25]; + const u_char **lastdnptr; +}; +typedef struct ns_newmsg ns_newmsg; + /* Private data structure - do not use from outside library. */ struct _ns_flagdata { int mask, shift; }; extern struct _ns_flagdata _ns_flagdata[]; @@ -140,8 +166,23 @@ typedef struct __ns_rr { const u_char * rdata; } ns_rr; +/* + * Same thing, but using uncompressed network binary names, and real C types. + */ +typedef struct __ns_rr2 { + ns_nname nname; + size_t nnamel; + int type; + int rr_class; + u_int ttl; + int rdlength; + const u_char * rdata; +} ns_rr2; + /* Accessor macros - this is part of the public interface. */ #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") +#define ns_rr_nname(rr) ((const ns_nname_t)(rr).nname) +#define ns_rr_nnamel(rr) ((rr).nnamel + 0) #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) @@ -216,9 +257,9 @@ typedef enum __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; + char name[NS_MAXDNAME], alg[NS_MAXDNAME]; + unsigned char *data; + int len; }; typedef struct ns_tsig_key ns_tsig_key; @@ -274,7 +315,7 @@ typedef enum __ns_type { 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_aaaa = 28, /*%< IPv6 Address. */ ns_t_loc = 29, /*%< Location Information. */ ns_t_nxt = 30, /*%< Next domain (security). */ ns_t_eid = 31, /*%< Endpoint identifier. */ @@ -284,11 +325,22 @@ typedef enum __ns_type { 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_a6 = 38, /*%< IPv6 address (experimental) */ + ns_t_dname = 39, /*%< Non-terminal DNAME */ 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 */ + ns_t_sshfp = 44, /*%< SSH Fingerprint */ + ns_t_ipseckey = 45, /*%< IPSEC Key */ + ns_t_rrsig = 46, /*%< RRset Signature */ + ns_t_nsec = 47, /*%< Negative security */ + ns_t_dnskey = 48, /*%< DNS Key */ + ns_t_dhcid = 49, /*%< Dynamic host configuratin identifier */ + ns_t_nsec3 = 50, /*%< Negative security type 3 */ + ns_t_nsec3param = 51, /*%< Negative security type 3 parameters */ + ns_t_hip = 55, /*%< Host Identity Protocol */ + ns_t_spf = 99, /*%< Sender Policy Framework */ ns_t_tkey = 249, /*%< Transaction key */ ns_t_tsig = 250, /*%< Transaction signature. */ ns_t_ixfr = 251, /*%< Incremental zone transfer. */ @@ -297,6 +349,7 @@ typedef enum __ns_type { ns_t_maila = 254, /*%< Transfer mail agent records. */ ns_t_any = 255, /*%< Wildcard match. */ ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */ + ns_t_dlv = 32769, /*%< DNSSEC look-aside validatation. */ ns_t_max = 65536 } ns_type; @@ -475,6 +528,7 @@ typedef enum __ns_cert_types { #define ns_initparse __ns_initparse #define ns_skiprr __ns_skiprr #define ns_parserr __ns_parserr +#define ns_parserr2 __ns_parserr2 #define ns_sprintrr __ns_sprintrr #define ns_sprintrrf __ns_sprintrrf #define ns_format_ttl __ns_format_ttl @@ -485,12 +539,19 @@ typedef enum __ns_cert_types { #define ns_name_ntol __ns_name_ntol #define ns_name_ntop __ns_name_ntop #define ns_name_pton __ns_name_pton +#define ns_name_pton2 __ns_name_pton2 #define ns_name_unpack __ns_name_unpack +#define ns_name_unpack2 __ns_name_unpack2 #define ns_name_pack __ns_name_pack #define ns_name_compress __ns_name_compress #define ns_name_uncompress __ns_name_uncompress #define ns_name_skip __ns_name_skip #define ns_name_rollback __ns_name_rollback +#define ns_name_length __ns_name_length +#define ns_name_eq __ns_name_eq +#define ns_name_owned __ns_name_owned +#define ns_name_map __ns_name_map +#define ns_name_labels __ns_name_labels #if 0 #define ns_sign __ns_sign #define ns_sign2 __ns_sign2 @@ -508,6 +569,16 @@ typedef enum __ns_cert_types { #endif #define ns_makecanon __ns_makecanon #define ns_samename __ns_samename +#define ns_newmsg_init __ns_newmsg_init +#define ns_newmsg_copy __ns_newmsg_copy +#define ns_newmsg_id __ns_newmsg_id +#define ns_newmsg_flag __ns_newmsg_flag +#define ns_newmsg_q __ns_newmsg_q +#define ns_newmsg_rr __ns_newmsg_rr +#define ns_newmsg_done __ns_newmsg_done +#define ns_rdata_unpack __ns_rdata_unpack +#define ns_rdata_equal __ns_rdata_equal +#define ns_rdata_refers __ns_rdata_refers __BEGIN_DECLS int ns_msg_getflag(ns_msg, int); @@ -518,6 +589,7 @@ void ns_put32(u_long, u_char *); int ns_initparse(const u_char *, int, ns_msg *); int ns_skiprr(const u_char *, const u_char *, ns_sect, int); int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); +int ns_parserr2(ns_msg *, ns_sect, int, ns_rr2 *); int ns_sprintrr(const ns_msg *, const ns_rr *, const char *, const char *, char *, size_t); int ns_sprintrrf(const u_char *, size_t, const char *, @@ -532,8 +604,12 @@ u_int32_t ns_datetosecs(const char *cp, int *errp); int ns_name_ntol(const u_char *, u_char *, size_t); int ns_name_ntop(const u_char *, char *, size_t); int ns_name_pton(const char *, u_char *, size_t); +int ns_name_pton2(const char *, u_char *, size_t, size_t *); int ns_name_unpack(const u_char *, const u_char *, const u_char *, u_char *, size_t); +int ns_name_unpack2(const u_char *, const u_char *, + const u_char *, u_char *, size_t, + size_t *); int ns_name_pack(const u_char *, u_char *, int, const u_char **, const u_char **); int ns_name_uncompress(const u_char *, const u_char *, @@ -543,6 +619,11 @@ int ns_name_compress(const char *, u_char *, size_t, int ns_name_skip(const u_char **, const u_char *); void ns_name_rollback(const u_char *, const u_char **, const u_char **); +ssize_t ns_name_length(ns_nname_ct, size_t); +int ns_name_eq(ns_nname_ct, size_t, ns_nname_ct, size_t); +int ns_name_owned(ns_namemap_ct, int, ns_namemap_ct, int); +int ns_name_map(ns_nname_ct, size_t, ns_namemap_t, int); +int ns_name_labels(ns_nname_ct, size_t); #if 0 int ns_sign(u_char *, int *, int, int, void *, const u_char *, int, u_char *, int *, time_t); @@ -570,6 +651,25 @@ int ns_subdomain(const char *, const char *); #endif int ns_makecanon(const char *, char *, size_t); int ns_samename(const char *, const char *); +int ns_newmsg_init(u_char *buffer, size_t bufsiz, ns_newmsg *); +int ns_newmsg_copy(ns_newmsg *, ns_msg *); +void ns_newmsg_id(ns_newmsg *handle, u_int16_t id); +void ns_newmsg_flag(ns_newmsg *handle, ns_flag flag, u_int value); +int ns_newmsg_q(ns_newmsg *handle, ns_nname_ct qname, + ns_type qtype, ns_class qclass); +int ns_newmsg_rr(ns_newmsg *handle, ns_sect sect, + ns_nname_ct name, ns_type type, + ns_class rr_class, u_int32_t ttl, + u_int16_t rdlen, const u_char *rdata); +size_t ns_newmsg_done(ns_newmsg *handle); +ssize_t ns_rdata_unpack(const u_char *, const u_char *, ns_type, + const u_char *, size_t, u_char *, size_t); +int ns_rdata_equal(ns_type, + const u_char *, size_t, + const u_char *, size_t); +int ns_rdata_refers(ns_type, + const u_char *, size_t, + const u_char *); __END_DECLS #ifdef BIND_4_COMPAT |
