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Diffstat (limited to 'mit-pthreads/include/resolv.h')
| -rw-r--r-- | mit-pthreads/include/resolv.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/mit-pthreads/include/resolv.h b/mit-pthreads/include/resolv.h new file mode 100644 index 00000000000..f6313a7229e --- /dev/null +++ b/mit-pthreads/include/resolv.h @@ -0,0 +1,179 @@ +/* + * Copyright (c) 1983, 1987, 1989 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. + * + * from: @(#)resolv.h 5.15 (Berkeley) 4/3/91 + * $Id$ + */ + +#ifndef _RESOLV_H_ +#define _RESOLV_H_ + +#include <netinet/in.h> +/* + * This is specificly for Solaris which defines NOERROR in the streams + * header files and defines it differently than in arpa/nameser.h + */ +#ifdef NOERROR +#undef NOERROR +#endif +#include <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 (__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 19940703 + +/* + * Resolver configuration file. + * Normally not present, but may contain the address of the + * inital name server(s) to query and the domain search list. + */ + +#ifndef _PATH_RESCONF +#define _PATH_RESCONF "/etc/resolv.conf" +#endif + +/* + * 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 MAXDNSLUS 4 /* max # of host lookup types */ + +#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 */ + 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 packet id */ + char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ + char defdname[MAXDNAME]; /* default domain */ + long pfcode; /* RES_PRF_ flags - see below. */ + u_char ndots:4; /* threshold for initial abs. query */ + u_char nsort:4; /* number of elements in sort_list[] */ + char unused[3]; + struct { + struct in_addr addr; + u_long mask; + } sort_list[MAXRESOLVSORT]; + char lookups[MAXDNSLUS]; +}; + +/* + * Resolver options + */ +#define RES_INIT 0x0001 /* address initialized */ +#define RES_DEBUG 0x0002 /* print debug messages */ +#define RES_AAONLY 0x0004 /* authoritative answers only */ +#define RES_USEVC 0x0008 /* use virtual circuit */ +#define RES_PRIMARY 0x0010 /* query primary server only */ +#define RES_IGNTC 0x0020 /* ignore trucation errors */ +#define RES_RECURSE 0x0040 /* recursion desired */ +#define RES_DEFNAMES 0x0080 /* use default domain name */ +#define RES_STAYOPEN 0x0100 /* Keep TCP socket open */ +#define RES_DNSRCH 0x0200 /* search up local domain tree */ + +#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) + +/* + * Resolver "pfcode" values. Used by dig. + */ +#define RES_PRF_STATS 0x0001 +/* 0x0002 */ +#define RES_PRF_CLASS 0x0004 +#define RES_PRF_CMD 0x0008 +#define RES_PRF_QUES 0x0010 +#define RES_PRF_ANS 0x0020 +#define RES_PRF_AUTH 0x0040 +#define RES_PRF_ADD 0x0080 +#define RES_PRF_HEAD1 0x0100 +#define RES_PRF_HEAD2 0x0200 +#define RES_PRF_TTLID 0x0400 +#define RES_PRF_HEADX 0x0800 +#define RES_PRF_QUERY 0x1000 +#define RES_PRF_REPLY 0x2000 +#define RES_PRF_INIT 0x4000 +/* 0x8000 */ + +#define _res (*_res_status()) +#define h_errno (_res_get_error()) + +#include <sys/cdefs.h> +#include <stdio.h> + +/* Private routines shared between libc/net, named, nslookup and others. */ +#define dn_skipname __dn_skipname +#define fp_query __fp_query +#define hostalias __hostalias +#define putlong __putlong +#define putshort __putshort +#define p_class __p_class +#define p_time __p_time +#define p_type __p_type +__BEGIN_DECLS +struct __res_state *_res_status __P_((void)); +int _res_get_error __P_((void)); + +int __dn_skipname __P_((const u_char *, const u_char *)); +void __fp_query __P_((char *, FILE *)); +char *__hostalias __P_((const char *)); +void __putlong __P_((pthread_ipaddr_type, unsigned char *)); +void __putshort __P_((pthread_ipport_type, unsigned char *)); +char *__p_class __P_((int)); +char *__p_time __P_((unsigned long)); +char *__p_type __P_((int)); + +int dn_comp __P_((const unsigned char *, unsigned char *, int, + unsigned char **, unsigned char **)); +int dn_expand __P_((const unsigned char *, const unsigned char *, + const unsigned char *, unsigned char *, int)); +int res_init __P_((void)); +int res_mkquery __P_((int, const char *, int, int, const char *, int, + const char *, char *, int)); +int res_send __P_((const char *, int, char *, int)); +__END_DECLS + +#endif /* !_RESOLV_H_ */ + |