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Annotation of 43BSDReno/usr.sbin/named/tools/nslookup/res.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1985,1989 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  *
                     19:  *     @(#)res.h       5.10 (Berkeley) 6/1/90
                     20:  */
                     21: 
                     22: /*
                     23:  *******************************************************************************
                     24:  *
                     25:  *  res.h --
                     26:  *
                     27:  *     Definitions used by modules of the name server lookup program.
                     28:  *
                     29:  *     Copyright (c) 1985
                     30:  *     Andrew Cherenson
                     31:  *     U.C. Berkeley
                     32:  *     CS298-26  Fall 1985
                     33:  * 
                     34:  *******************************************************************************
                     35:  */
                     36: 
                     37: #define TRUE   1
                     38: #define FALSE  0
                     39: typedef int Boolean;
                     40: 
                     41: /*
                     42:  *  Define return statuses in addtion to the ones defined in namserv.h
                     43:  *   let SUCCESS be a synonym for NOERROR
                     44:  *
                     45:  *     TIME_OUT        - a socket connection timed out.
                     46:  *     NO_INFO         - the server didn't find any info about the host.
                     47:  *     ERROR           - one of the following types of errors:
                     48:  *                        dn_expand, res_mkquery failed
                     49:  *                        bad command line, socket operation failed, etc.
                     50:  *     NONAUTH         - the server didn't have the desired info but
                     51:  *                       returned the name(s) of some servers who should.
                     52:  *     NO_RESPONSE     - the server didn't respond.
                     53:  *
                     54:  */
                     55: 
                     56: #define  SUCCESS               0
                     57: #define  TIME_OUT              -1
                     58: #define  NO_INFO               -2
                     59: #define  ERROR                 -3
                     60: #define  NONAUTH               -4
                     61: #define  NO_RESPONSE           -5
                     62: 
                     63: /*
                     64:  *  Define additional options for the resolver state structure.
                     65:  *
                     66:  *   RES_DEBUG2                more verbose debug level
                     67:  */
                     68: 
                     69: #define RES_DEBUG2     0x80000000
                     70: 
                     71: /*
                     72:  *  Maximum length of server, host and file names.
                     73:  */
                     74: 
                     75: #define NAME_LEN 256
                     76: 
                     77: 
                     78: /*
                     79:  * Modified struct hostent from <netdb.h>
                     80:  *
                     81:  * "Structures returned by network data base library.  All addresses
                     82:  * are supplied in host order, and returned in network order (suitable
                     83:  * for use in system calls)."
                     84:  */
                     85: 
                     86: typedef struct {
                     87:        char    *name;          /* official name of host */
                     88:        char    **domains;      /* domains it serves */
                     89:        char    **addrList;     /* list of addresses from name server */
                     90: } ServerInfo;
                     91: 
                     92: typedef struct {
                     93:        char    *name;          /* official name of host */
                     94:        char    **aliases;      /* alias list */
                     95:        char    **addrList;     /* list of addresses from name server */
                     96:        int     addrType;       /* host address type */
                     97:        int     addrLen;        /* length of address */
                     98:        ServerInfo **servers;
                     99: } HostInfo;
                    100: 
                    101: 
                    102: /*
                    103:  *  FilePtr is used for directing listings to a file.
                    104:  *  It is global so the Control-C handler can close it.
                    105:  */
                    106: 
                    107: extern FILE *filePtr;
                    108: 
                    109: /*
                    110:  * TCP/UDP port of server.
                    111:  */
                    112: extern unsigned short nsport;
                    113: 
                    114: /*
                    115:  *  External routines:
                    116:  */
                    117: 
                    118: extern Boolean IsAddr();
                    119: extern int  Print_query();
                    120: extern char *Print_cdname();
                    121: extern char *Print_cdname2();  /* fixed width */
                    122: extern char *Print_rr();
                    123: extern char *DecodeType();     /* descriptive version of p_type */
                    124: extern char *DecodeError();
                    125: extern char *Calloc();
                    126: extern char *Malloc();
                    127: extern void NsError();
                    128: extern void PrintServer();
                    129: extern void PrintHostInfo();
                    130: extern void ShowOptions();
                    131: extern void FreeHostInfoPtr();
                    132: extern FILE *OpenFile();
                    133: extern char *res_skip();

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