diff options
Diffstat (limited to 'include/resolv.h')
| -rw-r--r-- | include/resolv.h | 158 |
1 files changed, 109 insertions, 49 deletions
diff --git a/include/resolv.h b/include/resolv.h index cf8fe76..c903a20 100644 --- a/include/resolv.h +++ b/include/resolv.h @@ -30,8 +30,6 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)resolv.h 8.1 (Berkeley) 6/2/93 - * $Id: resolv.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp $ * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. * @@ -52,12 +50,30 @@ * SOFTWARE. * - * --Copyright-- + * + * @(#)resolv.h 8.1 (Berkeley) 6/2/93 + * From Id: resolv.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp + * $Id$ */ #ifndef _RESOLV_H_ #define _RESOLV_H_ +#include <sys/param.h> #include <sys/types.h> +#include <sys/cdefs.h> +#include <stdio.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 19940415 + /* * Resolver configuration file. * Normally not present, but may contain the address of the @@ -65,7 +81,7 @@ */ #ifndef _PATH_RESCONF -#define _PATH_RESCONF "/etc/resolv.conf" +#define _PATH_RESCONF "/etc/resolv.conf" #endif /* @@ -77,88 +93,132 @@ #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 */ - long options; /* option flags - see below. */ + u_long options; /* option flags - see below. */ int nscount; /* number of name servers */ - struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */ + 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_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]; }; /* * Resolver options (keep these in synch with res_debug.c, please) */ -#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) +#define RES_INIT 0x00000001 /* address initialized */ +#define RES_DEBUG 0x00000002 /* print debug messages */ +#define RES_AAONLY 0x00000004 /* authoritative answers only */ +#define RES_USEVC 0x00000008 /* use virtual circuit */ +#define RES_PRIMARY 0x00000010 /* query primary server only */ +#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_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_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 */ -#include <sys/cdefs.h> -#include <stdio.h> +/* 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)__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)); extern struct __res_state _res; /* Private routines shared between libc/net, named, nslookup and others. */ #define dn_skipname __dn_skipname #define fp_query __fp_query +#define fp_nquery __fp_nquery #define hostalias __hostalias #define putlong __putlong #define putshort __putshort -#define p_class __p_class -#define p_time __p_time -#define p_type __p_type +#define p_class __p_class +#define p_time __p_time +#define p_type __p_type +#define p_cdnname __p_cdnname +#define p_cdname __p_cdname +#define p_fqname __p_fqname +#define p_rr __p_rr +#define p_option __p_option + __BEGIN_DECLS int __dn_skipname __P((const u_char *, const u_char *)); void __fp_resstat __P((struct __res_state *, FILE *)); -void __fp_query __P((char *, 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_short, u_char *)); -char *__p_class __P((int)); +void __putshort __P((u_int16_t, u_char *)); char *__p_time __P((u_int32_t)); -char *__p_type __P((int)); - -int dn_comp __P((const u_char *, u_char *, int, u_char **, u_char **)); +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 *, - u_char *, int)); + 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)); +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)); __END_DECLS #endif /* !_RESOLV_H_ */ |
