00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
/* $NetBSD: query-loc.c,v 1.4 2014/12/10 04:37:56 christos Exp $ */
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#include "loc.h"
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/* Id: query-loc.c,v 1.1 2008/02/15 01:47:15 marka Exp */
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/* Global variables */
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char *progname;
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short debug;
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int
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main (argc, argv)
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int argc;
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char *argv[];
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{
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extern char *optarg;
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extern int optind;
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short verbose = FALSE;
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char *host;
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char ch;
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char *loc = NULL;
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struct in_addr addr;
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struct hostent *hp;
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progname = argv[0];
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while ((ch = getopt (argc, argv, "vd:")) != EOF)
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{
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switch (ch)
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{
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case 'v':
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verbose = TRUE;
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break;
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case 'd':
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debug = atoi (optarg);
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if (debug <= 0)
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{
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(void) fprintf (stderr,
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"%s: illegal debug value.\n", progname);
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exit (2);
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}
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break;
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default:
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usage ();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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{
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usage ();
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}
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if (verbose || debug)
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{
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printf ("\nThis is %s, version %s.\n\n", progname, VERSION);
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}
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host = argv[0];
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(void) res_init ();
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if ((addr.s_addr = inet_addr (host)) == INADDR_NONE)
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{
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if (debug >= 1)
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printf ("%s is a name\n", host);
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loc = getlocbyname (host, FALSE);
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}
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else
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{
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if (debug >= 1)
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printf ("%s is an IP address ", host);
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hp = (struct hostent *) gethostbyaddr
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((char *) &addr, sizeof (addr), AF_INET);
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if (hp)
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{
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if (debug >= 1)
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printf ("and %s is its official name\n",
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hp->h_name);
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loc = getlocbyname (hp->h_name, FALSE);
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}
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else
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{
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if (debug >= 1)
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printf ("which has no name\n");
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loc = getlocbyaddr (addr, NULL);
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}
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}
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if (loc == NULL)
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{
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printf ("No LOCation found for %s\n", host);
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exit (1);
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}
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else
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{
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if (verbose || debug)
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printf ("LOCation for %s is ", host);
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printf ("%s\n", loc);
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exit (0);
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}
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}
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