/* * Copyright 2005 Niels Provos * 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 Niels Provos. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /* $OpenBSD: resolv.h,v 1.15 2004/01/22 21:48:02 espie Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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++ 1983, 1987, 1989, 1993 * - * 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. 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) 1993 by Digital Equipment Corporation. * * 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, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION 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-- */ /* * @(#)resolv.h 8.1 (Berkeley) 6/2/93 * $From: resolv.h,v 8.17 1996/11/26 10:11:20 vixie Exp $ */ #ifndef _RESOLV_H_ #define _RESOLV_H_ #include #if (!defined(BSD)) || (BSD < 199306) # include #else # include #endif #include #include #include /* * 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 /* * Resolver configuration file. * Normally not present, but may contain the address of the * initial name server(s) to query and the domain search list. */ #ifndef _PATH_RESCONF #define _PATH_RESCONF "/etc/resolv.conf" #endif #include "dnsres.h" /* * 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 trucation 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() */ /* KAME extensions: use higher bit to avoid conflict with ISC use */ #define RES_USE_EDNS0 0x40000000 /* use EDNS0 */ /* DNSSEC extensions: use higher bit to avoid conflict with ISC use */ #define RES_USE_DNSSEC 0x20000000 /* use DNSSEC using OK bit in OPT */ #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) /* * Resolver "pfcode" values. Used by dig. */ #define RES_PRF_STATS 0x00000001 /* 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 */ /* hooks are still experimental as of 4.9.2 */ typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } res_sendhookact; typedef res_sendhookact (*res_send_qhook)(struct sockaddr_in * const *ns, const unsigned char **query, int *querylen, unsigned char *ans, int anssiz, int *resplen); typedef res_sendhookact (*res_send_rhook)(const struct sockaddr_in *ns, const unsigned char *query, int querylen, unsigned 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 const struct res_sym __dnsres_p_class_syms[]; extern const struct res_sym __dnsres_p_type_syms[]; /* Private routines shared between libc/net, named, nslookup and others. */ #define res_hnok __dnsres_res_hnok #define res_ownok __dnsres_res_ownok #define res_mailok __dnsres_res_mailok #define res_dnok __dnsres_res_dnok #define sym_ston __dnsres_sym_ston #define sym_ntos __dnsres_sym_ntos #define sym_ntop __dnsres_sym_ntop #define b64_ntop __dnsres_b64_ntop #define b64_pton __dnsres_b64_pton #define loc_ntoa __dnsres_loc_ntoa #define loc_aton __dnsres_loc_aton #define dn_skipname __dnsres_dn_skipname #define fp_resstat __dnsres_fp_resstat #define fp_query __dnsres_fp_query #define fp_nquery __dnsres_fp_nquery #define hostalias __dnsres_hostalias #define putlong __dnsres_putlong #define putshort __dnsres_putshort #define p_class __dnsres_p_class #define p_time __dnsres_p_time #define p_type __dnsres_p_type #define p_query __dnsres_p_query #define p_cdnname __dnsres_p_cdnname #define p_cdname __dnsres_p_cdname #define p_fqnname __dnsres_p_fqnname #define p_fqname __dnsres_p_fqname #define p_rr __dnsres_p_rr #define p_option __dnsres_p_option #define p_secstodate __dnsres_p_secstodate #define dn_count_labels __dnsres_dn_count_labels #define dn_comp __dnsres_dn_comp #define res_randomid __dnsres_res_randomid #define res_send __dnsres_res_send #define res_isourserver __dnsres_res_isourserver #define res_nameinquery __dnsres_res_nameinquery #define res_queriesmatch __dnsres_res_queriesmatch #define res_close __dnsres_res_close #define res_opt __dnsres_res_opt #define dn_expand __dnsres_dn_expand #define res_init_socket __dnsres_res_init_socket #define res_query __dnsres_res_query #define res_search __dnsres_res_search #define res_querydomain __dnsres_res_querydomain #define res_mkquery __dnsres_res_mkquery #define getshort __dnsres_getshort #define getlong __dnsres_getlong struct dnsres_cbstate; struct dnsres_socket; struct dnsres_target; struct res_search_state; __BEGIN_DECLS int res_hnok(const char *); int res_ownok(const char *); int res_mailok(const char *); int res_dnok(const char *); int sym_ston(const struct res_sym *, char *, int *); const char * sym_ntos(const struct res_sym *, int, int *); const char * sym_ntop(const struct res_sym *, int, int *); int b64_ntop(unsigned char const *, size_t, char *, size_t); int b64_pton(char const *, unsigned char *, size_t); int loc_aton(const char *, unsigned char *); const char * loc_ntoa(const unsigned char *, char *); int dn_skipname(const unsigned char *, const unsigned char *); void fp_resstat(struct dnsres *, FILE *); void fp_query(struct dnsres *, const unsigned char *, FILE *); void fp_nquery(struct dnsres *, const unsigned char *msg, int len, FILE *file); const char * hostalias(struct dnsres *, const char *); void putlong(u_int32_t, unsigned char *); void putshort(u_int16_t, unsigned char *); const char * p_class(int); const char * p_time(u_int32_t); const char * p_type(int); void p_query(struct dnsres *, const unsigned char *); const unsigned char * p_cdnname(const unsigned char *, const unsigned char *, int, FILE *); const unsigned char * p_cdname(const unsigned char *, const unsigned char *, FILE *); const unsigned char * p_fqnname(const unsigned char *, const unsigned char *, int, char *, int); const unsigned char * p_fqname(const unsigned char *, const unsigned char *, FILE *); const unsigned char * p_rr(struct dnsres *, const unsigned char *, const unsigned char *, FILE *); const char * p_option(unsigned long); char * p_secstodate(unsigned long); int dn_count_labels(char *); int dn_comp(const char *, unsigned char *, int, unsigned char **, unsigned char **); int dn_expand(const unsigned char *, const unsigned char *, const unsigned char *, char *, int); int res_init(struct dnsres *); void res_init_socket(struct dnsres_socket *); unsigned int res_randomid(void); void res_query(struct dnsres *, const char *, struct dnsres_target *, void (*)(int, void *), void *); void res_search(struct dnsres *, const char *, struct dnsres_target * , void (*)(int, void *), void *); void res_querydomain(struct dnsres *, const char *, const char *, struct dnsres_target *, void (*)(int, void *), void *); int res_mkquery(struct dnsres *, int, const char *, int, int, const unsigned char *, int, const unsigned char *, unsigned char *, int); void res_send(struct dnsres *, const unsigned char *, int, unsigned char *, int, void (*)(int, struct res_search_state *), struct res_search_state *) __attribute__((__bounded__(__string__,4,5))); int res_isourserver(struct dnsres *, const struct sockaddr_in *); int res_nameinquery(const char *, int, int, const unsigned char *, const unsigned char *); int res_opt(struct dnsres *_resp, int, u_char *, int, int); int res_queriesmatch(const unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *); void res_close(struct dnsres_socket *); unsigned short getshort(const unsigned char *); unsigned int getlong(const unsigned char *); __END_DECLS #ifndef HAVE_FGETLN char *fgetln(FILE *, size_t *); #endif #ifndef HAVE_STRLCPY size_t strlcpy(char *dst, const char *src, size_t size); #endif #ifndef ARC4RANDOM u_int32_t arc4random(void); #endif #endif /* !_RESOLV_H_ */