| /*- | |
| * Copyright (c) 1983, 1987, 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. | |
| * 3. All advertising materials mentioning features or use of this software | |
| * must display the following acknowledgement: | |
| * This product includes software developed by the University of | |
| * California, Berkeley and its contributors. | |
| * 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. | |
| */ | |
| /* | |
| * Portions Copyright (c) 1996 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. | |
| */ | |
| /* | |
| * @(#)resolv.h 8.1 (Berkeley) 6/2/93 | |
| * From Id: resolv.h,v 8.12 1998/04/28 19:36:46 halley Exp $ | |
| * $Id: resolv.h,v 1.1.1.1 2003/11/19 01:48:35 kyu3 Exp $ | |
| */ | |
| #ifndef _RESOLV_H_ | |
| #define _RESOLV_H_ | |
| #include <arpa/nameser.h> | |
| #include <sys/param.h> | |
| #include <sys/types.h> | |
| #include <sys/cdefs.h> | |
| #include <stdio.h> | |
| #include <paths.h> | |
| #ifndef __P | |
| #define __P(x) x | |
| #endif // __P | |
| /* | |
| * 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 (__RES > 19931104)". Do not | |
| * compare for equality; rather, use it to determine whether your resolver | |
| * is new enough to contain a certain feature. | |
| */ | |
| #define __RES 19960801 | |
| /* | |
| * Global defines and variables for resolver stub. | |
| */ | |
| #define MAXNS 3 /* max # name servers we'll track */ | |
| #define MAXDFLSRCH 3 /* # default domain levels to try */ | |
| #define MAXDNSRCH 6 /* max # domains in search path */ | |
| #define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ | |
| #define RES_TIMEOUT 5 /* min. seconds between retries */ | |
| #define MAXRESOLVSORT 10 /* number of net to sort on */ | |
| #define RES_MAXNDOTS 15 /* should reflect bit field size */ | |
| struct __res_state { | |
| int retrans; /* retransmition time interval */ | |
| int retry; /* number of times to retransmit */ | |
| u_long options; /* option flags - see below. */ | |
| int nscount; /* number of name servers */ | |
| struct sockaddr_in | |
| nsaddr_list[MAXNS]; /* address of name server */ | |
| #define nsaddr nsaddr_list[0] /* for backward compatibility */ | |
| u_short id; /* current message id */ | |
| char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ | |
| char defdname[256]; /* default domain (deprecated) */ | |
| u_long pfcode; /* RES_PRF_ flags - see below. */ | |
| unsigned ndots:4; /* threshold for initial abs. query */ | |
| unsigned nsort:4; /* number of elements in sort_list[] */ | |
| char unused[3]; | |
| struct { | |
| struct in_addr addr; | |
| u_int32_t mask; | |
| } sort_list[MAXRESOLVSORT]; | |
| char pad[72]; /* on an i386 this means 512b total */ | |
| }; | |
| typedef struct __res_state *res_state; | |
| /* | |
| * Resolver options (keep these in synch with res_debug.c, please) | |
| */ | |
| #define RES_INIT 0x00000001 /* address initialized */ | |
| #define RES_DEBUG 0x00000002 /* print debug messages */ | |
| #define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ | |
| #define RES_USEVC 0x00000008 /* use virtual circuit */ | |
| #define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ | |
| #define RES_IGNTC 0x00000020 /* ignore truncation errors */ | |
| #define RES_RECURSE 0x00000040 /* recursion desired */ | |
| #define RES_DEFNAMES 0x00000080 /* use default domain name */ | |
| #define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ | |
| #define RES_DNSRCH 0x00000200 /* search up local domain tree */ | |
| #define RES_INSECURE1 0x00000400 /* type 1 security disabled */ | |
| #define RES_INSECURE2 0x00000800 /* type 2 security disabled */ | |
| #define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ | |
| #define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ | |
| #define RES_NOTLDQUERY 0x00004000 /* Don't query TLD names */ | |
| #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) | |
| /* | |
| * Resolver "pfcode" values. Used by dig. | |
| */ | |
| #define RES_PRF_STATS 0x00000001 | |
| #define RES_PRF_UPDATE 0x00000002 | |
| #define RES_PRF_CLASS 0x00000004 | |
| #define RES_PRF_CMD 0x00000008 | |
| #define RES_PRF_QUES 0x00000010 | |
| #define RES_PRF_ANS 0x00000020 | |
| #define RES_PRF_AUTH 0x00000040 | |
| #define RES_PRF_ADD 0x00000080 | |
| #define RES_PRF_HEAD1 0x00000100 | |
| #define RES_PRF_HEAD2 0x00000200 | |
| #define RES_PRF_TTLID 0x00000400 | |
| #define RES_PRF_HEADX 0x00000800 | |
| #define RES_PRF_QUERY 0x00001000 | |
| #define RES_PRF_REPLY 0x00002000 | |
| #define RES_PRF_INIT 0x00004000 | |
| /* 0x00008000 */ | |
| typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } | |
| res_sendhookact; | |
| typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr_in * const *ns, | |
| const u_char **query, | |
| int *querylen, | |
| u_char *ans, | |
| int anssiz, | |
| int *resplen)); | |
| typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr_in *ns, | |
| const u_char *query, | |
| int querylen, | |
| u_char *ans, | |
| int anssiz, | |
| int *resplen)); | |
| struct res_sym { | |
| int number; /* Identifying number, like T_MX */ | |
| char * name; /* Its symbolic name, like "MX" */ | |
| char * humanname; /* Its fun name, like "mail exchanger" */ | |
| }; | |
| extern struct __res_state _res; | |
| extern const struct res_sym __p_class_syms[]; | |
| extern const struct res_sym __p_type_syms[]; | |
| /* Private routines shared between libc/net, named, nslookup and others. */ | |
| #define res_hnok __res_hnok | |
| #define res_ownok __res_ownok | |
| #define res_mailok __res_mailok | |
| #define res_dnok __res_dnok | |
| #define sym_ston __sym_ston | |
| #define sym_ntos __sym_ntos | |
| #define sym_ntop __sym_ntop | |
| #define b64_ntop __b64_ntop | |
| #define b64_pton __b64_pton | |
| #define loc_ntoa __loc_ntoa | |
| #define loc_aton __loc_aton | |
| #define fp_resstat __fp_resstat | |
| #define p_query __p_query | |
| #define dn_skipname __dn_skipname | |
| #define fp_resstat __fp_resstat | |
| #define fp_query __fp_query | |
| #define fp_nquery __fp_nquery | |
| #define hostalias __hostalias | |
| #define putlong __putlong | |
| #define putshort __putshort | |
| uint16_t _getshort(const u_char *); | |
| #define p_class __p_class | |
| #define p_time __p_time | |
| #define p_type __p_type | |
| #define p_query __p_query | |
| #define p_cdnname __p_cdnname | |
| #define p_section __p_section | |
| #define p_cdname __p_cdname | |
| #define p_fqnname __p_fqnname | |
| #define p_fqname __p_fqname | |
| #define p_option __p_option | |
| #define p_secstodate __p_secstodate | |
| #define dn_count_labels __dn_count_labels | |
| #define dn_comp __dn_comp | |
| #define dn_expand __dn_expand | |
| #define res_init __res_init | |
| #define res_randomid __res_randomid | |
| #define res_query __res_query | |
| #define res_search __res_search | |
| #define res_querydomain __res_querydomain | |
| #define res_mkquery __res_mkquery | |
| #define res_send __res_send | |
| #define res_isourserver __res_isourserver | |
| #define res_nameinquery __res_nameinquery | |
| #define res_queriesmatch __res_queriesmatch | |
| #define res_close __res_close | |
| #define res_mkupdate __res_mkupdate | |
| #define res_mkupdrec __res_mkupdrec | |
| #define res_freeupdrec __res_freeupdrec | |
| __BEGIN_DECLS | |
| int res_hnok __P((const char *)); | |
| int res_ownok __P((const char *)); | |
| int res_mailok __P((const char *)); | |
| int res_dnok __P((const char *)); | |
| int sym_ston __P((const struct res_sym *, const char *, int *)); | |
| const char * sym_ntos __P((const struct res_sym *, int, int *)); | |
| const char * sym_ntop __P((const struct res_sym *, int, int *)); | |
| int b64_ntop __P((u_char const *, size_t, char *, size_t)); | |
| int b64_pton __P((char const *, u_char *, size_t)); | |
| int loc_aton __P((const char *, u_char *)); | |
| const char * loc_ntoa __P((const u_char *, char *)); | |
| int dn_skipname __P((const u_char *, const u_char *)); | |
| void fp_resstat __P((struct __res_state *, FILE *)); | |
| void fp_query __P((const u_char *, FILE *)); | |
| void fp_nquery __P((const u_char *, int, FILE *)); | |
| const char * hostalias __P((const char *)); | |
| void putlong __P((u_int32_t, u_char *)); | |
| void putshort __P((u_int16_t, u_char *)); | |
| const char * p_class __P((int)); | |
| const char * p_time __P((u_int32_t)); | |
| const char * p_type __P((int)); | |
| void p_query __P((const u_char *)); | |
| const u_char * p_cdnname __P((const u_char *, const u_char *, int, FILE *)); | |
| const u_char * p_cdname __P((const u_char *, const u_char *, FILE *)); | |
| const u_char * p_fqnname __P((const u_char *, const u_char *, | |
| int, char *, int)); | |
| const u_char * p_fqname __P((const u_char *, const u_char *, FILE *)); | |
| const char * p_option __P((u_long)); | |
| char * p_secstodate __P((u_long)); | |
| int dn_count_labels __P((const char *)); | |
| int dn_comp __P((const char *, u_char *, int, | |
| u_char **, u_char **)); | |
| int dn_expand __P((const u_char *, const u_char *, const u_char *, | |
| char *, int)); | |
| int res_init __P((void)); | |
| u_int res_randomid __P((void)); | |
| int res_query __P((const char *, int, int, u_char *, int)); | |
| int res_search __P((const char *, int, int, u_char *, int)); | |
| int res_querydomain __P((const char *, const char *, int, int, | |
| u_char *, int)); | |
| int res_mkquery __P((int, const char *, int, int, const u_char *, | |
| int, const u_char *, u_char *, int)); | |
| int res_send __P((const u_char *, int, u_char *, int)); | |
| int res_isourserver __P((const struct sockaddr_in *)); | |
| int res_nameinquery __P((const char *, int, int, | |
| const u_char *, const u_char *)); | |
| int res_queriesmatch __P((const u_char *, const u_char *, | |
| const u_char *, const u_char *)); | |
| void res_close __P((void)); | |
| const char * p_section __P((int, int)); | |
| /* XXX The following depend on the ns_updrec typedef in arpa/nameser.h */ | |
| #ifdef _ARPA_NAMESER_H_ | |
| int res_update __P((ns_updrec *)); | |
| int res_mkupdate __P((ns_updrec *, u_char *, int)); | |
| ns_updrec * res_mkupdrec __P((int, const char *, u_int, u_int, u_long)); | |
| void res_freeupdrec __P((ns_updrec *)); | |
| #endif | |
| __END_DECLS | |
| #endif /* !_RESOLV_H_ */ |