/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* bos72Q src/bos/usr/include/resolv.h 1.4.4.1 */
/* */
/* Licensed Materials - Property of IBM */
/* */
/* COPYRIGHT International Business Machines Corp. 1988,2019 */
/* All Rights Reserved */
/* */
/* US Government Users Restricted Rights - Use, duplication or */
/* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */
/* */
/* IBM_PROLOG_END_TAG */
/* @(#)75 1.4.4.1 src/bos/usr/include/resolv.h, sockinc, bos72Q, q2019_13A4 2/5/19 03:07:12 */
#ifndef _H_RESOLV
#define _H_RESOLV
#include <sys/param.h>
#include <sys/types.h>
#include <sys/cdefs.h>
#include <stdio.h>
#include <netinet/in.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _POWER_PROLOG_
/*
* COMPONENT_NAME: SOCKINC
*
* FUNCTIONS:
*
* ORIGINS: 26,27,71
*
*
* (C) COPYRIGHT International Business Machines Corp. 1988,1995
* All Rights Reserved
* Licensed Materials - Property of IBM
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*/
#endif /* _POWER_PROLOG_ */
/*
*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*/
/*
* (c) Copyright 1990, 1991, 1992 OPEN SOFTWARE FOUNDATION, INC.
* ALL RIGHTS RESERVED
*/
/*
* Portions 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.
*/
#ifdef _USE_IRS
#define IRS_CONST_UCHAR const u_char
#define IRS_CONST_CHAR const char
#else /* _USE_IRS */
#define IRS_CONST_UCHAR char
#define IRS_CONST_CHAR char
#endif /* _USE_IRS */
/*
* NOTE: MAXDNAME is also defined in <arpa/nameser_compat.h>
* and <arpa/onameser_compat.h> files.
* If the values changed in any one of the above 2 files,
* we need to change the constant value here to keep
* it consistant.
*/
/*undef before redefining to get rid of the warnings*/
#ifdef MAXDNAME
#undef MAXDNAME
#endif
#ifdef _USE_IRS
#define MAXDNAME 1025
#else /* _USE_IRS */
#define MAXDNAME 256
#endif /* _USE_IRS */
/*
* 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 19991006
/*
* 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
typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
res_sendhookact;
typedef res_sendhookact (*res_send_qhook)(struct sockaddr_in **ns,
const u_char **query,
int *querylen,
u_char *ans,
int anssiz,
int *resplen);
typedef res_sendhookact (*res_send_rhook)(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" */
};
/*
* 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 */
#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */
#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */
#define RES_DFLRETRY 2 /* Default #/tries. */
#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */
union res_sockaddr_union {
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
};
struct __res_state_ext {
union res_sockaddr_union nsaddrs[MAXNS];
};
/*
* This header file has been munged some from the ISC distribution
* to support previous programs that have defined or interacted with
* _res as a "struct state" rather than a "struct __res_state".
* A further complication is the name of the routine __res_state(),
* which returns the address of the thread's resolver context.
* Macros are defined herein so that the "struct __res_state"definition
* and _res macro to refer to the thread's resolver context work
* for previously written programs and new ports, however, a direct
* call to __res_state() is not possible without defining
* BIND_8_RESSTATE before including this header.
*/
#ifdef BIND_8_RESSTATE
struct __res_state
#else
#define __res_state state
struct state
#endif
{
int retrans; /* retransmition time interval */
int retry; /* number of times to retransmit */
__ulong32_t 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 olddefdname[256]; /* default domain */
char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
__ulong32_t 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;
__ulong32_t mask;
} sort_list[MAXRESOLVSORT];
int sizeof_defdname;
char defdname[MAXDNAME]; /* default domain */
res_send_qhook qhook; /* query hook */
res_send_rhook rhook; /* response hook */
int res_h_errno; /* last one set for this context */
int _sock; /* PRIVATE: for res_send i/o */
u_int _flags; /* PRIVATE: see below */
struct {
u_int16_t nscount;
u_int16_t nstimes[MAXNS]; /* ms. */
int nssocks[MAXNS];
struct __res_state_ext ext; /* extention for IPv6 */
} _ext;
int netcd_ttl; /* ttl for netcd daemon */
long long netcd_key; /* key for netcd daemon */
};
typedef struct __res_state *res_state;
/*
* Resolver flags (used to be discrete per-module static ints).
*/
#define RES_F_VC 0x00000001 /* socket is TCP */
#define RES_F_CONN 0x00000002 /* socket is connected */
/* res_findzonecut() options */
#define RES_EXHAUSTIVE 0x00000001 /* always do all queries */
/*
* Resolver options
*/
#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_MAPINET6 0x00002000
#define RES_MAPINET4 0x00004000
#define RES_MAPSIT 0x00008000
#define RES_NOFALL6 0x00010000
#define RES_USE_INET6 0x00020000 /* use/map IPv6 in gethostbyname() */
#define RES_ROTATE 0x00040000 /* rotate ns list after each query */
#define RES_NOCHECKNAME 0x00080000 /* do not check names for sanity */
#define RES_KEEPTSIG 0x00100000 /* do not strip TSIG records */
#define RES_BLAST 0x00200000 /* blast all recursive servers */
#define RES_NO_NIBBLE 0x00400000 /* disable IPv6 nibble mode reverse */
#define RES_NO_BITSTRING 0x0800000 /* disable IPv6 bitstring mode reverse */
#define RES_NOTLDQUERY 0x01000000 /* don't unqualified name as a tld */
#define RES_USE_DNSSEC 0x02000000 /* use DNSSEC using OK bit in OPT */
/* KAME extensions: use higher bit to avoid conflict with ISC use */
#define RES_USE_DNAME 0x10000000 /* use DNAME */
#define RES_USE_A6 0x20000000 /* use A6 */
#define RES_USE_EDNS0 0x40000000 /* use EDNS0 if configured */
#define RES_NO_NIBBLE2 0x80000000 /* disable alternate nibble lookup */
#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
#define RES_PRF_TRUNC 0x00008000
/* 0x00010000 */
#ifdef BIND_8_RESSTATE
extern struct __res_state *__res_state(void);
#define WHICH_RES_STATE() __res_state()
#else
extern struct __res_state *__which_res_state(void);
#define WHICH_RES_STATE() __which_res_state()
#endif
#define _res (*WHICH_RES_STATE())
#define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x)
void __h_errno_set(struct __res_state *res, int err);
extern int hostalias_r(char *name, char *abuf, int len);
#ifdef _USE_IRS
extern const u_char *hostalias(char *name);
#else /* _USE_IRS */
extern char *hostalias(char *name);
#endif /* _USE_IRS */
extern unsigned long uchar_to_base64(unsigned char *src,
unsigned long srclength,
unsigned char *target);
extern unsigned long base64_to_uchar(unsigned char *src,
unsigned long srclength,
unsigned char *target);
extern int res_hnok(const char *);
extern int res_ownok(const char *);
extern int res_mailok(const char *);
extern int res_dnok(const char *);
extern int sym_ston(const struct res_sym *, const char *, int *);
extern IRS_CONST_CHAR * sym_ntos(const struct res_sym *, int, int *);
extern IRS_CONST_CHAR * sym_ntop(const struct res_sym *, int, int *);
extern int b64_ntop(u_char const *, size_t, char *, size_t);
extern int b64_pton(char const *, u_char *, size_t);
extern int loc_aton(const char *ascii, u_char *binary);
extern IRS_CONST_CHAR * loc_ntoa(const u_char *binary, char *ascii);
extern int dn_skipname(const u_char *, const u_char *);
extern void fp_query(const u_char *, FILE *);
extern void fp_nquery(const u_char *, int, FILE *);
extern void putlong(__ulong32_t, u_char *);
extern void putshort(uint16_t, u_char *);
extern IRS_CONST_CHAR * p_class(int);
extern IRS_CONST_CHAR * p_time(__ulong32_t);
extern IRS_CONST_CHAR * p_type(int);
extern IRS_CONST_CHAR * p_rcode(int);
extern void p_query(const u_char *);
extern void p_queryL(u_char *, int len);
extern IRS_CONST_UCHAR * p_cdnname(const u_char *, const u_char *, int, FILE *);
extern IRS_CONST_UCHAR * p_cdname(const u_char *, const u_char *, FILE *);
extern IRS_CONST_UCHAR * p_fqnname(const u_char *cp, const u_char *msg, int,
char *, int);
extern IRS_CONST_UCHAR * p_fqname(const u_char *, const u_char *, FILE *);
extern char * p_rr(char *, char *, FILE *);
extern IRS_CONST_CHAR * p_option(__ulong32_t option);
extern char * p_secstodate(__ulong32_t);
extern int dn_count_labels(const char *);
extern int dn_comp(const char *, u_char *, int, u_char **,
u_char **);
extern int dn_expand(const u_char *, const u_char *,
const u_char *, char *, int);
extern int res_init(void);
extern int _res_init(void);
extern u_int res_randomid(void);
extern int res_query(const char *, int, int, u_char *, int);
extern int res_search(const char *, int, int, u_char *, int);
extern int res_querydomain(const char *, const char *, int,
int, u_char *, int);
extern int res_mkquery(int, const char *, int, int, const u_char *,
int, const u_char *, u_char *, int);
extern int res_send(const u_char *, int, u_char *, int);
extern int res_isourserver(const struct sockaddr_in *);
extern int res_nameinquery(const char *, int, int,
const u_char *, const u_char *);
extern int res_queriesmatch(const u_char *, const u_char *,
const u_char *, const u_char *);
extern void res_close(void);
extern IRS_CONST_CHAR * p_section(int section, int opcode);
/* Things involving a resolver context. */
extern int res_ninit(res_state);
extern int res_nisourserver(const res_state,
const struct sockaddr_in *);
extern void fp_resstat(const res_state, FILE *);
extern void fp_npquery(const res_state, const u_char *,
int, FILE *);
extern IRS_CONST_CHAR * res_hostalias(const res_state, const char *, char *,
size_t);
extern int res_nquery(res_state, const char *, int, int,
u_char *, int);
extern int res_nsearch(res_state, const char *, int, int,
u_char *, int);
extern int res_nquerydomain(res_state, const char *, const char *,
int, int, u_char *, int);
extern int res_nmkquery(res_state, int, const char *, int,
int, const u_char *, int, const u_char *,
u_char *, int);
extern int res_nsend(res_state, const u_char *, int,
u_char *, int);
void res_nclose(res_state);
void res_setservers (res_state, const union res_sockaddr_union *, int);
int res_getservers (res_state, union res_sockaddr_union *, int);
#ifdef _ARPA_NAMESER_H_
/* ns_tsig_key and ns_class are defined in nameser.h instead of in here. */
/* someone who needs res_nsendsigned or res_findzonecut will have to */
/* include that file first. */
extern int res_nsendsigned(res_state, const u_char *, int,
ns_tsig_key *, u_char *, int);
extern int res_findzonecut(res_state, const char *, ns_class, int,
char *, size_t, struct in_addr *, int);
#endif /* _ARPA_NAMESER_H_ */
extern const struct res_sym __p_key_syms[];
extern const struct res_sym __p_cert_syms[];
extern const struct res_sym __p_class_syms[];
extern const struct res_sym __p_type_syms[];
extern const struct res_sym __p_rcode_syms[];
#define res_init _res_init
#ifdef __cplusplus
}
#endif
#endif /* _H_RESOLV */