* -
* 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:
* 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
* 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
* $Id$
*/
-#ifndef _RESOLV_H_
-#define _RESOLV_H_
+#ifndef _RESOLV_H
+#define _RESOLV_H 1
+
+#include <features.h>
#include <sys/param.h>
#if (!defined(BSD)) || (BSD < 199306)
#else
# include <sys/types.h>
#endif
-#include <sys/cdefs.h>
#include <stdio.h>
+#include <netinet/in.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
+ * 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 19940415
+#define __RES 19960801
/*
* Resolver configuration file.
* Normally not present, but may contain the address of the
- * inital name server(s) to query and the domain search list.
+ * initial name server(s) to query and the domain search list.
*/
#ifndef _PATH_RESCONF
#define RES_MAXNDOTS 15 /* should reflect bit field size */
struct __res_state {
- int retrans; /* retransmition time interval */
+ int retrans; /* retransmission 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 packet id */
+ u_short id; /* current message id */
char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
- char defdname[MAXDNAME]; /* default domain */
+ 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[] */
struct in_addr addr;
u_int32_t mask;
} sort_list[MAXRESOLVSORT];
+ char pad[72]; /* on an i386 this means 512b total */
};
/*
*/
#define RES_INIT 0x00000001 /* address initialized */
#define RES_DEBUG 0x00000002 /* print debug messages */
-#define RES_AAONLY 0x00000004 /* authoritative answers only */
+#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/
#define RES_USEVC 0x00000008 /* use virtual circuit */
-#define RES_PRIMARY 0x00000010 /* query primary server only */
+#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_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_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
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_qhook)__PMT((struct sockaddr_in * const *ns,
+ const u_char **query,
+ int *querylen,
+ u_char *ans,
+ int anssiz,
+ int *resplen));
+
+typedef res_sendhookact (*res_send_rhook)__PMT((const struct sockaddr_in *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 dn_skipname __dn_skipname
+#define fp_resstat __fp_resstat
#define fp_query __fp_query
#define fp_nquery __fp_nquery
#define hostalias __hostalias
#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_cdname __p_cdname
+#define p_fqnname __p_fqnname
#define p_fqname __p_fqname
#define p_rr __p_rr
#define p_option __p_option
+#define p_secstodate __p_secstodate
+#define dn_count_labels __dn_count_labels
+#define dn_comp __dn_comp
+#define res_randomid __res_randomid
+#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
+
+#ifdef BIND_RES_POSIX3
+#define dn_expand __dn_expand
+#define res_init __res_init
+#define res_query __res_query
+#define res_search __res_search
+#define res_querydomain __res_querydomain
+#define res_mkquery __res_mkquery
+#endif
+
__BEGIN_DECLS
-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 *));
-char *__hostalias __P((const char *));
-void __putlong __P((u_int32_t, u_char *));
-void __putshort __P((u_int16_t, u_char *));
-char *__p_time __P((u_int32_t));
-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_fqname __P((const u_char *, const u_char *, FILE *));
-const u_char *__p_rr __P((const u_char *, const u_char *, FILE *));
-const char *__p_type __P((int));
-const char *__p_class __P((int));
-const char *__p_option __P((u_long option));
-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));
-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));
-/* XXX - these last two don't belong in the resolver */
-u_int inet_nsap_addr __P((const char *, u_char *, int maxlen));
-char *inet_nsap_ntoa __P((int, const u_char *, char *ascii));
+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 *, 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 *cp, const u_char *msg,
+ int, char *, int));
+const u_char * p_fqname __P((const u_char *, const u_char *, FILE *));
+const u_char * p_rr __P((const u_char *, const u_char *, FILE *));
+const char * p_option __P((u_long option));
+char * p_secstodate __P((u_long));
+int dn_count_labels __P((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));
__END_DECLS
-#endif /* !_RESOLV_H_ */
+#endif /* resolv.h */