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
247 lines
8.0 KiB
C
247 lines
8.0 KiB
C
/* $NetBSD: loc_ntoa.c,v 1.4 2014/12/10 04:37:56 christos Exp $ */
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/* Stolen from BIND */
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/*
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* Copyright (c) 1985
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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* Portions Copyright (c) 1995 by International Business Machines, Inc.
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*
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* International Business Machines, Inc. (hereinafter called IBM) grants
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* permission under its copyrights to use, copy, modify, and distribute this
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* Software with or without fee, provided that the above copyright notice and
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* all paragraphs of this notice appear in all copies, and that the name of IBM
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* not be used in connection with the marketing of any product incorporating
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* the Software or modifications thereof, without specific, written prior
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* permission.
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*
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* To the extent it has a right to do so, IBM grants an immunity from suit
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* under its patents, if any, for the use, sale or manufacture of products to
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* the extent that such products are used for performing Domain Name System
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* dynamic updates in TCP/IP networks by means of the Software. No immunity is
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* granted for any product per se or for any other function of any product.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
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* DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
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* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*/
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/*
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* Portions Copyright (c) 1996-1999 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <arpa/nameser.h>
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#include <ctype.h>
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#include <errno.h>
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#include <math.h>
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#include <netdb.h>
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#include <resolv.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "loc.h"
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const char *precsize_ntoa();
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/* takes an on-the-wire LOC RR and formats it in a human readable format. */
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const char *
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loc_ntoa(binary, ascii)
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const u_char *binary;
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char *ascii;
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{
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static char *error = "?";
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static char tmpbuf[sizeof
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"1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
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const u_char *cp = binary;
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int latdeg, latmin, latsec, latsecfrac;
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int longdeg, longmin, longsec, longsecfrac;
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char northsouth, eastwest;
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int altmeters, altfrac, altsign;
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const u_int32_t referencealt = 100000 * 100;
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int32_t latval, longval, altval;
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u_int32_t templ;
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u_int8_t sizeval, hpval, vpval, versionval;
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char *sizestr, *hpstr, *vpstr;
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versionval = *cp++;
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if (ascii == NULL)
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ascii = tmpbuf;
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if (versionval) {
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(void) sprintf(ascii, "; error: unknown LOC RR version");
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return (ascii);
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}
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sizeval = *cp++;
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hpval = *cp++;
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vpval = *cp++;
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GETLONG(templ, cp);
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latval = (templ - ((unsigned)1<<31));
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GETLONG(templ, cp);
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longval = (templ - ((unsigned)1<<31));
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GETLONG(templ, cp);
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if (templ < referencealt) { /* below WGS 84 spheroid */
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altval = referencealt - templ;
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altsign = -1;
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} else {
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altval = templ - referencealt;
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altsign = 1;
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}
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if (latval < 0) {
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northsouth = 'S';
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latval = -latval;
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} else
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northsouth = 'N';
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latsecfrac = latval % 1000;
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latval = latval / 1000;
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latsec = latval % 60;
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latval = latval / 60;
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latmin = latval % 60;
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latval = latval / 60;
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latdeg = latval;
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if (longval < 0) {
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eastwest = 'W';
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longval = -longval;
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} else
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eastwest = 'E';
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longsecfrac = longval % 1000;
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longval = longval / 1000;
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longsec = longval % 60;
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longval = longval / 60;
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longmin = longval % 60;
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longval = longval / 60;
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longdeg = longval;
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altfrac = altval % 100;
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altmeters = (altval / 100) * altsign;
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if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL)
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sizestr = error;
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if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL)
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hpstr = error;
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if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL)
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vpstr = error;
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sprintf(ascii,
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"%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm",
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latdeg, latmin, latsec, latsecfrac, northsouth,
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longdeg, longmin, longsec, longsecfrac, eastwest,
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altmeters, altfrac, sizestr, hpstr, vpstr);
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if (sizestr != error)
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free(sizestr);
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if (hpstr != error)
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free(hpstr);
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if (vpstr != error)
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free(vpstr);
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return (ascii);
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}
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static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
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1000000,10000000,100000000,1000000000};
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/* takes an XeY precision/size value, returns a string representation. */
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const char *
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precsize_ntoa(prec)
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u_int8_t prec;
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{
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static char retbuf[sizeof "90000000.00"]; /* XXX nonreentrant */
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unsigned long val;
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int mantissa, exponent;
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mantissa = (int)((prec >> 4) & 0x0f) % 10;
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exponent = (int)((prec >> 0) & 0x0f) % 10;
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val = mantissa * poweroften[exponent];
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(void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100);
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return (retbuf);
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}
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