1556 lines
36 KiB
C
1556 lines
36 KiB
C
/*
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* ++Copyright++ 1985, 1990, 1993
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* -
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* Copyright (c) 1985, 1990, 1993
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* 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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* 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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* --Copyright--
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93";
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static char rcsid[] = "$Id$";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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#include <sys/types.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 <netdb.h>
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#include <resolv.h>
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#include <stdio.h>
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#include <time.h>
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#if defined(BSD) && (BSD >= 199103) && defined(AF_INET6)
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# include <stdlib.h>
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# include <string.h>
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#else
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# include "../conf/portability.h"
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#endif
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#if defined(USE_OPTIONS_H)
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# include "../conf/options.h"
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#endif
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extern const char *_res_opcodes[];
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extern const char *_res_resultcodes[];
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/* XXX: we should use getservbyport() instead. */
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static const char *
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dewks(wks)
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int wks;
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{
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static char nbuf[20];
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switch (wks) {
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case 5: return "rje";
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case 7: return "echo";
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case 9: return "discard";
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case 11: return "systat";
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case 13: return "daytime";
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case 15: return "netstat";
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case 17: return "qotd";
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case 19: return "chargen";
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case 20: return "ftp-data";
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case 21: return "ftp";
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case 23: return "telnet";
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case 25: return "smtp";
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case 37: return "time";
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case 39: return "rlp";
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case 42: return "name";
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case 43: return "whois";
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case 53: return "domain";
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case 57: return "apts";
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case 59: return "apfs";
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case 67: return "bootps";
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case 68: return "bootpc";
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case 69: return "tftp";
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case 77: return "rje";
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case 79: return "finger";
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case 87: return "link";
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case 95: return "supdup";
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case 100: return "newacct";
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case 101: return "hostnames";
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case 102: return "iso-tsap";
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case 103: return "x400";
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case 104: return "x400-snd";
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case 105: return "csnet-ns";
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case 109: return "pop-2";
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case 111: return "sunrpc";
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case 113: return "auth";
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case 115: return "sftp";
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case 117: return "uucp-path";
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case 119: return "nntp";
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case 121: return "erpc";
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case 123: return "ntp";
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case 133: return "statsrv";
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case 136: return "profile";
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case 144: return "NeWS";
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case 161: return "snmp";
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case 162: return "snmp-trap";
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case 170: return "print-srv";
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default: (void) sprintf(nbuf, "%d", wks); return (nbuf);
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}
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}
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/* XXX: we should use getprotobynumber() instead. */
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static const char *
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deproto(protonum)
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int protonum;
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{
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static char nbuf[20];
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switch (protonum) {
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case 1: return "icmp";
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case 2: return "igmp";
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case 3: return "ggp";
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case 5: return "st";
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case 6: return "tcp";
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case 7: return "ucl";
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case 8: return "egp";
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case 9: return "igp";
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case 11: return "nvp-II";
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case 12: return "pup";
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case 16: return "chaos";
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case 17: return "udp";
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default: (void) sprintf(nbuf, "%d", protonum); return (nbuf);
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}
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}
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static const u_char *
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do_rrset(msg, len, cp, cnt, pflag, file, hs)
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int cnt, pflag, len;
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const u_char *cp, *msg;
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const char *hs;
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FILE *file;
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{
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int n;
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int sflag;
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/*
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* Print answer records.
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*/
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sflag = (_res.pfcode & pflag);
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if ((n = ntohs(cnt))) {
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if ((!_res.pfcode) ||
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((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
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fprintf(file, hs);
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while (--n >= 0) {
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if ((!_res.pfcode) || sflag) {
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cp = p_rr(cp, msg, file);
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} else {
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unsigned int dlen;
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cp += __dn_skipname(cp, cp + MAXCDNAME);
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cp += INT16SZ;
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cp += INT16SZ;
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cp += INT32SZ;
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dlen = _getshort((u_char*)cp);
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cp += INT16SZ;
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cp += dlen;
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}
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if ((cp - msg) > len)
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return (NULL);
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}
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if ((!_res.pfcode) ||
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((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
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putc('\n', file);
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}
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return (cp);
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}
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void
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__p_query(msg)
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const u_char *msg;
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{
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__fp_query(msg, stdout);
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}
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#ifdef ultrix
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#undef p_query
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/* ultrix 4.0's packaging has some icky packaging. alias for it here.
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* there is more junk of this kind over in res_comp.c.
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*/
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void
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p_query(msg)
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const u_char *msg;
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{
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__p_query(msg);
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}
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#endif
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/*
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* Print the current options.
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* This is intended to be primarily a debugging routine.
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*/
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void
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__fp_resstat(statp, file)
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struct __res_state *statp;
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FILE *file;
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{
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register u_long mask;
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fprintf(file, ";; res options:");
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if (!statp)
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statp = &_res;
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for (mask = 1; mask != 0; mask <<= 1)
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if (statp->options & mask)
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fprintf(file, " %s", p_option(mask));
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putc('\n', file);
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}
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/*
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* Print the contents of a query.
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* This is intended to be primarily a debugging routine.
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*/
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void
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__fp_nquery(msg, len, file)
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const u_char *msg;
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int len;
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FILE *file;
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{
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register const u_char *cp, *endMark;
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register const HEADER *hp;
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register int n;
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if ((_res.options & RES_INIT) == 0 && res_init() == -1)
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return;
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#define TruncTest(x) if (x > endMark) goto trunc
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#define ErrorTest(x) if (x == NULL) goto error
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/*
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* Print header fields.
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*/
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hp = (HEADER *)msg;
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cp = msg + HFIXEDSZ;
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endMark = msg + len;
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX) || hp->rcode) {
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fprintf(file, ";; ->>HEADER<<- opcode: %s, status: %s, id: %d",
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_res_opcodes[hp->opcode],
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_res_resultcodes[hp->rcode],
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ntohs(hp->id));
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putc('\n', file);
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}
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX))
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putc(';', file);
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD2)) {
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fprintf(file, "; flags:");
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if (hp->qr)
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fprintf(file, " qr");
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if (hp->aa)
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fprintf(file, " aa");
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if (hp->tc)
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fprintf(file, " tc");
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if (hp->rd)
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fprintf(file, " rd");
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if (hp->ra)
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fprintf(file, " ra");
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if (hp->unused)
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fprintf(file, " UNUSED-BIT-ON");
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if (hp->ad)
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fprintf(file, " ad");
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if (hp->cd)
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fprintf(file, " cd");
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}
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD1)) {
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fprintf(file, "; Ques: %d", ntohs(hp->qdcount));
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fprintf(file, ", Ans: %d", ntohs(hp->ancount));
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fprintf(file, ", Auth: %d", ntohs(hp->nscount));
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fprintf(file, ", Addit: %d", ntohs(hp->arcount));
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}
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if ((!_res.pfcode) || (_res.pfcode &
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(RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
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putc('\n',file);
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}
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/*
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* Print question records.
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*/
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if ((n = ntohs(hp->qdcount))) {
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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fprintf(file, ";; QUESTIONS:\n");
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while (--n >= 0) {
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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fprintf(file, ";;\t");
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TruncTest(cp);
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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cp = p_cdnname(cp, msg, len, file);
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else {
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int n;
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char name[MAXDNAME];
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if ((n = dn_expand(msg, msg+len, cp, name,
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sizeof name)) < 0)
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cp = NULL;
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else
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cp += n;
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}
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ErrorTest(cp);
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TruncTest(cp);
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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fprintf(file, ", type = %s",
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__p_type(_getshort((u_char*)cp)));
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cp += INT16SZ;
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TruncTest(cp);
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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fprintf(file, ", class = %s\n",
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__p_class(_getshort((u_char*)cp)));
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cp += INT16SZ;
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
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putc('\n', file);
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}
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}
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/*
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* Print authoritative answer records
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*/
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TruncTest(cp);
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cp = do_rrset(msg, len, cp, hp->ancount, RES_PRF_ANS, file,
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";; ANSWERS:\n");
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ErrorTest(cp);
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/*
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* print name server records
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*/
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TruncTest(cp);
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cp = do_rrset(msg, len, cp, hp->nscount, RES_PRF_AUTH, file,
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";; AUTHORITY RECORDS:\n");
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ErrorTest(cp);
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|
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TruncTest(cp);
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/*
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* print additional records
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*/
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cp = do_rrset(msg, len, cp, hp->arcount, RES_PRF_ADD, file,
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";; ADDITIONAL RECORDS:\n");
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ErrorTest(cp);
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return;
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trunc:
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fprintf(file, "\n;; ...truncated\n");
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return;
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error:
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fprintf(file, "\n;; ...malformed\n");
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}
|
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|
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void
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__fp_query(msg, file)
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const u_char *msg;
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FILE *file;
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{
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fp_nquery(msg, PACKETSZ, file);
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}
|
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|
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const u_char *
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__p_cdnname(cp, msg, len, file)
|
|
const u_char *cp, *msg;
|
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int len;
|
|
FILE *file;
|
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{
|
|
char name[MAXDNAME];
|
|
int n;
|
|
|
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if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
|
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return (NULL);
|
|
if (name[0] == '\0')
|
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putc('.', file);
|
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else
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fputs(name, file);
|
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return (cp + n);
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}
|
|
|
|
const u_char *
|
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__p_cdname(cp, msg, file)
|
|
const u_char *cp, *msg;
|
|
FILE *file;
|
|
{
|
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return (p_cdnname(cp, msg, PACKETSZ, file));
|
|
}
|
|
|
|
|
|
/* Return a fully-qualified domain name from a compressed name (with
|
|
length supplied). */
|
|
|
|
const u_char *
|
|
__p_fqnname(cp, msg, msglen, name, namelen)
|
|
const u_char *cp, *msg;
|
|
int msglen;
|
|
char *name;
|
|
int namelen;
|
|
{
|
|
int n, newlen;
|
|
|
|
if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0)
|
|
return (NULL);
|
|
newlen = strlen (name);
|
|
if (newlen == 0 || name[newlen - 1] != '.') {
|
|
if (newlen+1 >= namelen) /* Lack space for final dot */
|
|
return (NULL);
|
|
else
|
|
strcpy(name + newlen, ".");
|
|
}
|
|
return (cp + n);
|
|
}
|
|
|
|
/* XXX: the rest of these functions need to become length-limited, too. (vix)
|
|
*/
|
|
|
|
const u_char *
|
|
__p_fqname(cp, msg, file)
|
|
const u_char *cp, *msg;
|
|
FILE *file;
|
|
{
|
|
char name[MAXDNAME];
|
|
const u_char *n;
|
|
|
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n = __p_fqnname(cp, msg, MAXCDNAME, name, sizeof name);
|
|
if (n == NULL)
|
|
return (NULL);
|
|
fputs(name, file);
|
|
return (n);
|
|
}
|
|
|
|
/*
|
|
* Print resource record fields in human readable form.
|
|
*/
|
|
const u_char *
|
|
__p_rr(cp, msg, file)
|
|
const u_char *cp, *msg;
|
|
FILE *file;
|
|
{
|
|
int type, class, dlen, n, c;
|
|
struct in_addr inaddr;
|
|
const u_char *cp1, *cp2;
|
|
u_int32_t tmpttl, t;
|
|
int lcnt;
|
|
u_int16_t keyflags;
|
|
char rrname[MAXDNAME]; /* The fqdn of this RR */
|
|
char base64_key[MAX_KEY_BASE64];
|
|
|
|
if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
|
|
__set_h_errno (NETDB_INTERNAL);
|
|
return (NULL);
|
|
}
|
|
cp = __p_fqnname(cp, msg, MAXCDNAME, rrname, sizeof rrname);
|
|
if (!cp)
|
|
return (NULL); /* compression error */
|
|
fputs(rrname, file);
|
|
|
|
type = _getshort((u_char*)cp);
|
|
cp += INT16SZ;
|
|
class = _getshort((u_char*)cp);
|
|
cp += INT16SZ;
|
|
tmpttl = _getlong((u_char*)cp);
|
|
cp += INT32SZ;
|
|
dlen = _getshort((u_char*)cp);
|
|
cp += INT16SZ;
|
|
cp1 = cp;
|
|
if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID))
|
|
fprintf(file, "\t%lu", (u_long)tmpttl);
|
|
if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS))
|
|
fprintf(file, "\t%s", __p_class(class));
|
|
fprintf(file, "\t%s", __p_type(type));
|
|
/*
|
|
* Print type specific data, if appropriate
|
|
*/
|
|
switch (type) {
|
|
case T_A:
|
|
switch (class) {
|
|
case C_IN:
|
|
case C_HS:
|
|
bcopy(cp, (char *)&inaddr, INADDRSZ);
|
|
if (dlen == 4) {
|
|
fprintf(file, "\t%s", inet_ntoa(inaddr));
|
|
cp += dlen;
|
|
} else if (dlen == 7) {
|
|
char *address;
|
|
u_char protocol;
|
|
u_short port;
|
|
|
|
address = inet_ntoa(inaddr);
|
|
cp += INADDRSZ;
|
|
protocol = *(u_char*)cp;
|
|
cp += sizeof (u_char);
|
|
port = _getshort((u_char*)cp);
|
|
cp += INT16SZ;
|
|
fprintf(file, "\t%s\t; proto %d, port %d",
|
|
address, protocol, port);
|
|
}
|
|
break;
|
|
default:
|
|
cp += dlen;
|
|
}
|
|
break;
|
|
case T_CNAME:
|
|
case T_MB:
|
|
case T_MG:
|
|
case T_MR:
|
|
case T_NS:
|
|
case T_PTR:
|
|
putc('\t', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
|
|
case T_HINFO:
|
|
case T_ISDN:
|
|
cp2 = cp + dlen;
|
|
(void) fputs("\t\"", file);
|
|
if ((n = (unsigned char) *cp++) != 0) {
|
|
for (c = n; c > 0 && cp < cp2; c--) {
|
|
if (strchr("\n\"\\", *cp))
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
putc('"', file);
|
|
if (cp < cp2 && (n = (unsigned char) *cp++) != 0) {
|
|
(void) fputs ("\t\"", file);
|
|
for (c = n; c > 0 && cp < cp2; c--) {
|
|
if (strchr("\n\"\\", *cp))
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
}
|
|
putc('"', file);
|
|
} else if (type == T_HINFO) {
|
|
(void) fputs("\"?\"", file);
|
|
fprintf(file, "\n;; *** Warning *** OS-type missing");
|
|
}
|
|
break;
|
|
|
|
case T_SOA:
|
|
putc('\t', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
putc(' ', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
fputs(" (\n", file);
|
|
t = _getlong((u_char*)cp); cp += INT32SZ;
|
|
fprintf(file, "\t\t\t%lu\t; serial\n", (u_long)t);
|
|
t = _getlong((u_char*)cp); cp += INT32SZ;
|
|
fprintf(file, "\t\t\t%lu\t; refresh (%s)\n",
|
|
(u_long)t, __p_time(t));
|
|
t = _getlong((u_char*)cp); cp += INT32SZ;
|
|
fprintf(file, "\t\t\t%lu\t; retry (%s)\n",
|
|
(u_long)t, __p_time(t));
|
|
t = _getlong((u_char*)cp); cp += INT32SZ;
|
|
fprintf(file, "\t\t\t%lu\t; expire (%s)\n",
|
|
(u_long)t, __p_time(t));
|
|
t = _getlong((u_char*)cp); cp += INT32SZ;
|
|
fprintf(file, "\t\t\t%lu )\t; minimum (%s)",
|
|
(u_long)t, __p_time(t));
|
|
break;
|
|
|
|
case T_MX:
|
|
case T_AFSDB:
|
|
case T_RT:
|
|
fprintf(file, "\t%d ", _getshort((u_char*)cp));
|
|
cp += INT16SZ;
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
|
|
case T_PX:
|
|
fprintf(file, "\t%d ", _getshort((u_char*)cp));
|
|
cp += INT16SZ;
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
putc(' ', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
|
|
case T_X25:
|
|
cp2 = cp + dlen;
|
|
(void) fputs("\t\"", file);
|
|
if ((n = (unsigned char) *cp++) != 0) {
|
|
for (c = n; c > 0 && cp < cp2; c--) {
|
|
if (strchr("\n\"\\", *cp))
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
putc('"', file);
|
|
break;
|
|
|
|
case T_TXT:
|
|
(void) putc('\t', file);
|
|
cp2 = cp1 + dlen;
|
|
while (cp < cp2) {
|
|
putc('"', file);
|
|
if ((n = (unsigned char) *cp++)) {
|
|
for (c = n; c > 0 && cp < cp2; c--) {
|
|
if (strchr("\n\"\\", *cp))
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
putc('"', file);
|
|
if (cp < cp2)
|
|
putc(' ', file);
|
|
}
|
|
break;
|
|
|
|
case T_NSAP:
|
|
(void) fprintf(file, "\t%s", inet_nsap_ntoa(dlen, cp, NULL));
|
|
cp += dlen;
|
|
break;
|
|
|
|
case T_AAAA: {
|
|
char t[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
|
|
|
|
fprintf(file, "\t%s", inet_ntop(AF_INET6, cp, t, sizeof t));
|
|
cp += dlen;
|
|
break;
|
|
}
|
|
|
|
case T_LOC: {
|
|
char t[255];
|
|
|
|
(void) fprintf(file, "\t%s", loc_ntoa(cp, t));
|
|
cp += dlen;
|
|
break;
|
|
}
|
|
|
|
case T_NAPTR: {
|
|
u_int order, preference;
|
|
|
|
order = _getshort(cp); cp += INT16SZ;
|
|
preference = _getshort(cp); cp += INT16SZ;
|
|
fprintf(file, "\t%u %u ",order, preference);
|
|
/* Flags */
|
|
n = *cp++;
|
|
fprintf(file,"\"%.*s\" ", (int)n, cp);
|
|
cp += n;
|
|
/* Service */
|
|
n = *cp++;
|
|
fprintf(file,"\"%.*s\" ", (int)n, cp);
|
|
cp += n;
|
|
/* Regexp */
|
|
n = *cp++;
|
|
fprintf(file,"\"%.*s\" ", (int)n, cp);
|
|
cp += n;
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
}
|
|
|
|
case T_SRV: {
|
|
u_int priority, weight, port;
|
|
|
|
priority = _getshort(cp); cp += INT16SZ;
|
|
weight = _getshort(cp); cp += INT16SZ;
|
|
port = _getshort(cp); cp += INT16SZ;
|
|
fprintf(file, "\t%u %u %u ", priority, weight, port);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
}
|
|
|
|
case T_MINFO:
|
|
case T_RP:
|
|
putc('\t', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
putc(' ', file);
|
|
if ((cp = p_fqname(cp, msg, file)) == NULL)
|
|
return (NULL);
|
|
break;
|
|
|
|
case T_UINFO:
|
|
putc('\t', file);
|
|
fputs((char *)cp, file);
|
|
cp += dlen;
|
|
break;
|
|
|
|
case T_UID:
|
|
case T_GID:
|
|
if (dlen == 4) {
|
|
fprintf(file, "\t%u", _getlong((u_char*)cp));
|
|
cp += INT32SZ;
|
|
}
|
|
break;
|
|
|
|
case T_WKS:
|
|
if (dlen < INT32SZ + 1)
|
|
break;
|
|
bcopy(cp, (char *)&inaddr, INADDRSZ);
|
|
cp += INT32SZ;
|
|
fprintf(file, "\t%s %s ( ",
|
|
inet_ntoa(inaddr),
|
|
deproto((int) *cp));
|
|
cp += sizeof (u_char);
|
|
n = 0;
|
|
lcnt = 0;
|
|
while (cp < cp1 + dlen) {
|
|
c = *cp++;
|
|
do {
|
|
if (c & 0200) {
|
|
if (lcnt == 0) {
|
|
fputs("\n\t\t\t", file);
|
|
lcnt = 5;
|
|
}
|
|
fputs(dewks(n), file);
|
|
putc(' ', file);
|
|
lcnt--;
|
|
}
|
|
c <<= 1;
|
|
} while (++n & 07);
|
|
}
|
|
putc(')', file);
|
|
break;
|
|
|
|
case T_KEY:
|
|
putc('\t', file);
|
|
keyflags = _getshort(cp);
|
|
cp += 2;
|
|
fprintf(file,"0x%04x", keyflags ); /* flags */
|
|
fprintf(file," %u", *cp++); /* protocol */
|
|
fprintf(file," %u (", *cp++); /* algorithm */
|
|
|
|
n = b64_ntop(cp, (cp1 + dlen) - cp,
|
|
base64_key, sizeof base64_key);
|
|
for (c = 0; c < n; ++c) {
|
|
if (0 == (c & 0x3F))
|
|
fprintf(file, "\n\t");
|
|
putc(base64_key[c], file); /* public key data */
|
|
}
|
|
|
|
fprintf(file, " )");
|
|
if (n < 0)
|
|
fprintf(file, "\t; BAD BASE64");
|
|
fflush(file);
|
|
cp = cp1 + dlen;
|
|
break;
|
|
|
|
case T_SIG:
|
|
type = _getshort((u_char*)cp);
|
|
cp += INT16SZ;
|
|
fprintf(file, " %s", p_type(type));
|
|
fprintf(file, "\t%d", *cp++); /* algorithm */
|
|
/* Check label value and print error if wrong. */
|
|
n = *cp++;
|
|
c = dn_count_labels (rrname);
|
|
if (n != c)
|
|
fprintf(file, "\t; LABELS WRONG (%d should be %d)\n\t",
|
|
n, c);
|
|
/* orig ttl */
|
|
n = _getlong((u_char*)cp);
|
|
if ((u_int32_t) n != tmpttl)
|
|
fprintf(file, " %u", n);
|
|
cp += INT32SZ;
|
|
/* sig expire */
|
|
fprintf(file, " (\n\t%s",
|
|
__p_secstodate(_getlong((u_char*)cp)));
|
|
cp += INT32SZ;
|
|
/* time signed */
|
|
fprintf(file, " %s", __p_secstodate(_getlong((u_char*)cp)));
|
|
cp += INT32SZ;
|
|
/* sig footprint */
|
|
fprintf(file," %u ", _getshort((u_char*)cp));
|
|
cp += INT16SZ;
|
|
/* signer's name */
|
|
cp = p_fqname(cp, msg, file);
|
|
n = b64_ntop(cp, (cp1 + dlen) - cp,
|
|
base64_key, sizeof base64_key);
|
|
for (c = 0; c < n; c++) {
|
|
if (0 == (c & 0x3F))
|
|
fprintf (file, "\n\t");
|
|
putc(base64_key[c], file); /* signature */
|
|
}
|
|
/* Clean up... */
|
|
fprintf(file, " )");
|
|
if (n < 0)
|
|
fprintf(file, "\t; BAD BASE64");
|
|
fflush(file);
|
|
cp = cp1+dlen;
|
|
break;
|
|
|
|
#ifdef ALLOW_T_UNSPEC
|
|
case T_UNSPEC:
|
|
{
|
|
int NumBytes = 8;
|
|
u_char *DataPtr;
|
|
int i;
|
|
|
|
if (dlen < NumBytes) NumBytes = dlen;
|
|
fprintf(file, "\tFirst %d bytes of hex data:",
|
|
NumBytes);
|
|
for (i = 0, DataPtr = cp; i < NumBytes; i++, DataPtr++)
|
|
fprintf(file, " %x", *DataPtr);
|
|
cp += dlen;
|
|
}
|
|
break;
|
|
#endif /* ALLOW_T_UNSPEC */
|
|
|
|
default:
|
|
fprintf(file, "\t?%d?", type);
|
|
cp += dlen;
|
|
}
|
|
#if 0
|
|
fprintf(file, "\t; dlen=%d, ttl %s\n", dlen, __p_time(tmpttl));
|
|
#else
|
|
putc('\n', file);
|
|
#endif
|
|
if (cp - cp1 != dlen) {
|
|
fprintf(file,
|
|
";; packet size error (found %lu, dlen was %d)\n",
|
|
(unsigned long) (cp - cp1), dlen);
|
|
cp = NULL;
|
|
}
|
|
return (cp);
|
|
}
|
|
|
|
/*
|
|
* Names of RR classes and qclasses. Classes and qclasses are the same, except
|
|
* that C_ANY is a qclass but not a class. (You can ask for records of class
|
|
* C_ANY, but you can't have any records of that class in the database.)
|
|
*/
|
|
const struct res_sym __p_class_syms[] = {
|
|
{C_IN, "IN"},
|
|
{C_CHAOS, "CHAOS"},
|
|
{C_HS, "HS"},
|
|
{C_HS, "HESIOD"},
|
|
{C_ANY, "ANY"},
|
|
{C_IN, (char *)0}
|
|
};
|
|
|
|
/*
|
|
* Names of RR types and qtypes. Types and qtypes are the same, except
|
|
* that T_ANY is a qtype but not a type. (You can ask for records of type
|
|
* T_ANY, but you can't have any records of that type in the database.)
|
|
*/
|
|
const struct res_sym __p_type_syms[] = {
|
|
{T_A, "A", "address"},
|
|
{T_NS, "NS", "name server"},
|
|
{T_MD, "MD", "mail destination (deprecated)"},
|
|
{T_MF, "MF", "mail forwarder (deprecated)"},
|
|
{T_CNAME, "CNAME", "canonical name"},
|
|
{T_SOA, "SOA", "start of authority"},
|
|
{T_MB, "MB", "mailbox"},
|
|
{T_MG, "MG", "mail group member"},
|
|
{T_MR, "MR", "mail rename"},
|
|
{T_NULL, "NULL", "null"},
|
|
{T_WKS, "WKS", "well-known service (deprecated)"},
|
|
{T_PTR, "PTR", "domain name pointer"},
|
|
{T_HINFO, "HINFO", "host information"},
|
|
{T_MINFO, "MINFO", "mailbox information"},
|
|
{T_MX, "MX", "mail exchanger"},
|
|
{T_TXT, "TXT", "text"},
|
|
{T_RP, "RP", "responsible person"},
|
|
{T_AFSDB, "AFSDB", "DCE or AFS server"},
|
|
{T_X25, "X25", "X25 address"},
|
|
{T_ISDN, "ISDN", "ISDN address"},
|
|
{T_RT, "RT", "router"},
|
|
{T_NSAP, "NSAP", "nsap address"},
|
|
{T_NSAP_PTR, "NSAP_PTR", "domain name pointer"},
|
|
{T_SIG, "SIG", "signature"},
|
|
{T_KEY, "KEY", "key"},
|
|
{T_PX, "PX", "mapping information"},
|
|
{T_GPOS, "GPOS", "geographical position (withdrawn)"},
|
|
{T_AAAA, "AAAA", "IPv6 address"},
|
|
{T_LOC, "LOC", "location"},
|
|
{T_NXT, "NXT", "next valid name (unimplemented)"},
|
|
{T_EID, "EID", "endpoint identifier (unimplemented)"},
|
|
{T_NIMLOC, "NIMLOC", "NIMROD locator (unimplemented)"},
|
|
{T_SRV, "SRV", "server selection"},
|
|
{T_ATMA, "ATMA", "ATM address (unimplemented)"},
|
|
{T_IXFR, "IXFR", "incremental zone transfer"},
|
|
{T_AXFR, "AXFR", "zone transfer"},
|
|
{T_MAILB, "MAILB", "mailbox-related data (deprecated)"},
|
|
{T_MAILA, "MAILA", "mail agent (deprecated)"},
|
|
{T_UINFO, "UINFO", "user information (nonstandard)"},
|
|
{T_UID, "UID", "user ID (nonstandard)"},
|
|
{T_GID, "GID", "group ID (nonstandard)"},
|
|
{T_NAPTR, "NAPTR", "URN Naming Authority"},
|
|
#ifdef ALLOW_T_UNSPEC
|
|
{T_UNSPEC, "UNSPEC", "unspecified data (nonstandard)"},
|
|
#endif /* ALLOW_T_UNSPEC */
|
|
{T_ANY, "ANY", "\"any\""},
|
|
{0, NULL, NULL}
|
|
};
|
|
|
|
int
|
|
__sym_ston(syms, name, success)
|
|
const struct res_sym *syms;
|
|
char *name;
|
|
int *success;
|
|
{
|
|
#ifdef _LIBC
|
|
/* Changed to prevent warning. --drepper@gnu */
|
|
for (; syms->name != 0; syms++) {
|
|
#else
|
|
for (NULL; syms->name != 0; syms++) {
|
|
#endif
|
|
if (strcasecmp (name, syms->name) == 0) {
|
|
if (success)
|
|
*success = 1;
|
|
return (syms->number);
|
|
}
|
|
}
|
|
if (success)
|
|
*success = 0;
|
|
return (syms->number); /* The default value. */
|
|
}
|
|
|
|
const char *
|
|
__sym_ntos(syms, number, success)
|
|
const struct res_sym *syms;
|
|
int number;
|
|
int *success;
|
|
{
|
|
static char unname[20];
|
|
|
|
#ifdef _LIBC
|
|
/* Changed to prevent warning. --drepper@gnu */
|
|
for (; syms->name != 0; syms++) {
|
|
#else
|
|
for (NULL; syms->name != 0; syms++) {
|
|
#endif
|
|
if (number == syms->number) {
|
|
if (success)
|
|
*success = 1;
|
|
return (syms->name);
|
|
}
|
|
}
|
|
|
|
sprintf (unname, "%d", number);
|
|
if (success)
|
|
*success = 0;
|
|
return (unname);
|
|
}
|
|
|
|
|
|
const char *
|
|
__sym_ntop(syms, number, success)
|
|
const struct res_sym *syms;
|
|
int number;
|
|
int *success;
|
|
{
|
|
static char unname[20];
|
|
|
|
#ifdef _LIBC
|
|
/* Changed to prevent warning. --drepper@gnu */
|
|
for (; syms->name != 0; syms++) {
|
|
#else
|
|
for (NULL; syms->name != 0; syms++) {
|
|
#endif
|
|
if (number == syms->number) {
|
|
if (success)
|
|
*success = 1;
|
|
return (syms->humanname);
|
|
}
|
|
}
|
|
sprintf(unname, "%d", number);
|
|
if (success)
|
|
*success = 0;
|
|
return (unname);
|
|
}
|
|
|
|
/*
|
|
* Return a string for the type
|
|
*/
|
|
const char *
|
|
__p_type(type)
|
|
int type;
|
|
{
|
|
return (__sym_ntos (__p_type_syms, type, (int *)0));
|
|
}
|
|
|
|
/*
|
|
* Return a mnemonic for class
|
|
*/
|
|
const char *
|
|
__p_class(class)
|
|
int class;
|
|
{
|
|
return (__sym_ntos (__p_class_syms, class, (int *)0));
|
|
}
|
|
|
|
/*
|
|
* Return a mnemonic for an option
|
|
*/
|
|
const char *
|
|
__p_option(option)
|
|
u_long option;
|
|
{
|
|
static char nbuf[40];
|
|
|
|
switch (option) {
|
|
case RES_INIT: return "init";
|
|
case RES_DEBUG: return "debug";
|
|
case RES_AAONLY: return "aaonly(unimpl)";
|
|
case RES_USEVC: return "usevc";
|
|
case RES_PRIMARY: return "primry(unimpl)";
|
|
case RES_IGNTC: return "igntc";
|
|
case RES_RECURSE: return "recurs";
|
|
case RES_DEFNAMES: return "defnam";
|
|
case RES_STAYOPEN: return "styopn";
|
|
case RES_DNSRCH: return "dnsrch";
|
|
case RES_INSECURE1: return "insecure1";
|
|
case RES_INSECURE2: return "insecure2";
|
|
default: sprintf(nbuf, "?0x%lx?", (u_long)option);
|
|
return (nbuf);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return a mnemonic for a time to live
|
|
*/
|
|
const char *
|
|
p_time(value)
|
|
u_int32_t value;
|
|
{
|
|
static char nbuf[60];
|
|
int secs, mins, hours, days;
|
|
register char *p;
|
|
|
|
if (value == 0) {
|
|
strcpy(nbuf, "0 secs");
|
|
return (nbuf);
|
|
}
|
|
|
|
secs = value % 60;
|
|
value /= 60;
|
|
mins = value % 60;
|
|
value /= 60;
|
|
hours = value % 24;
|
|
value /= 24;
|
|
days = value;
|
|
value = 0;
|
|
|
|
#define PLURALIZE(x) x, (x == 1) ? "" : "s"
|
|
p = nbuf;
|
|
if (days) {
|
|
(void)sprintf(p, "%d day%s", PLURALIZE(days));
|
|
while (*++p);
|
|
}
|
|
if (hours) {
|
|
if (days)
|
|
*p++ = ' ';
|
|
(void)sprintf(p, "%d hour%s", PLURALIZE(hours));
|
|
while (*++p);
|
|
}
|
|
if (mins) {
|
|
if (days || hours)
|
|
*p++ = ' ';
|
|
(void)sprintf(p, "%d min%s", PLURALIZE(mins));
|
|
while (*++p);
|
|
}
|
|
if (secs || ! (days || hours || mins)) {
|
|
if (days || hours || mins)
|
|
*p++ = ' ';
|
|
(void)sprintf(p, "%d sec%s", PLURALIZE(secs));
|
|
}
|
|
return (nbuf);
|
|
}
|
|
|
|
/*
|
|
* routines to convert between on-the-wire RR format and zone file format.
|
|
* Does not contain conversion to/from decimal degrees; divide or multiply
|
|
* by 60*60*1000 for that.
|
|
*/
|
|
|
|
static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
|
|
1000000,10000000,100000000,1000000000};
|
|
|
|
/* takes an XeY precision/size value, returns a string representation. */
|
|
static const char *
|
|
precsize_ntoa(prec)
|
|
u_int8_t prec;
|
|
{
|
|
static char retbuf[sizeof "90000000.00"];
|
|
unsigned long val;
|
|
int mantissa, exponent;
|
|
|
|
mantissa = (int)((prec >> 4) & 0x0f) % 10;
|
|
exponent = (int)((prec >> 0) & 0x0f) % 10;
|
|
|
|
val = mantissa * poweroften[exponent];
|
|
|
|
(void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100);
|
|
return (retbuf);
|
|
}
|
|
|
|
/* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
|
|
static u_int8_t
|
|
precsize_aton(strptr)
|
|
char **strptr;
|
|
{
|
|
u_int8_t retval = 0;
|
|
char *cp;
|
|
int exponent = 0;
|
|
int mantissa = 0;
|
|
|
|
cp = *strptr;
|
|
while (isdigit(*cp)) {
|
|
if (mantissa == 0)
|
|
mantissa = *cp - '0';
|
|
else
|
|
exponent++;
|
|
cp++;
|
|
}
|
|
|
|
if (*cp == '.') {
|
|
cp++;
|
|
if (isdigit(*cp)) {
|
|
if (mantissa == 0)
|
|
mantissa = *cp - '0';
|
|
else
|
|
exponent++;
|
|
cp++;
|
|
|
|
if (isdigit(*cp)) {
|
|
if (mantissa == 0)
|
|
mantissa = *cp - '0';
|
|
else
|
|
exponent++;
|
|
cp++;
|
|
}
|
|
else
|
|
exponent++;
|
|
}
|
|
}
|
|
else
|
|
exponent += 2;
|
|
|
|
if (mantissa == 0)
|
|
exponent = 0;
|
|
retval = (mantissa << 4) | exponent;
|
|
*strptr = cp;
|
|
return (retval);
|
|
}
|
|
|
|
/* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
|
|
static u_int32_t
|
|
latlon2ul(latlonstrptr,which)
|
|
char **latlonstrptr;
|
|
int *which;
|
|
{
|
|
register char *cp;
|
|
u_int32_t retval;
|
|
int deg = 0, min = 0, secs = 0, secsfrac = 0;
|
|
|
|
cp = *latlonstrptr;
|
|
|
|
while (isdigit(*cp))
|
|
deg = deg * 10 + (*cp++ - '0');
|
|
|
|
while (isspace(*cp))
|
|
cp++;
|
|
|
|
if (!(isdigit(*cp)))
|
|
goto fndhemi;
|
|
|
|
while (isdigit(*cp))
|
|
min = min * 10 + (*cp++ - '0');
|
|
|
|
while (isspace(*cp))
|
|
cp++;
|
|
|
|
if (!(isdigit(*cp)))
|
|
goto fndhemi;
|
|
|
|
while (isdigit(*cp))
|
|
secs = secs * 10 + (*cp++ - '0');
|
|
|
|
if (*cp == '.') { /* decimal seconds */
|
|
cp++;
|
|
if (isdigit(*cp)) {
|
|
secsfrac = (*cp++ - '0') * 100;
|
|
if (isdigit(*cp)) {
|
|
secsfrac += (*cp++ - '0') * 10;
|
|
if (isdigit(*cp)) {
|
|
secsfrac += (*cp++ - '0');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
while (!isspace(*cp)) /* if any trailing garbage */
|
|
cp++;
|
|
|
|
while (isspace(*cp))
|
|
cp++;
|
|
|
|
fndhemi:
|
|
switch (*cp) {
|
|
case 'N': case 'n':
|
|
case 'E': case 'e':
|
|
retval = ((unsigned)1<<31)
|
|
+ (((((deg * 60) + min) * 60) + secs) * 1000)
|
|
+ secsfrac;
|
|
break;
|
|
case 'S': case 's':
|
|
case 'W': case 'w':
|
|
retval = ((unsigned)1<<31)
|
|
- (((((deg * 60) + min) * 60) + secs) * 1000)
|
|
- secsfrac;
|
|
break;
|
|
default:
|
|
retval = 0; /* invalid value -- indicates error */
|
|
break;
|
|
}
|
|
|
|
switch (*cp) {
|
|
case 'N': case 'n':
|
|
case 'S': case 's':
|
|
*which = 1; /* latitude */
|
|
break;
|
|
case 'E': case 'e':
|
|
case 'W': case 'w':
|
|
*which = 2; /* longitude */
|
|
break;
|
|
default:
|
|
*which = 0; /* error */
|
|
break;
|
|
}
|
|
|
|
cp++; /* skip the hemisphere */
|
|
|
|
while (!isspace(*cp)) /* if any trailing garbage */
|
|
cp++;
|
|
|
|
while (isspace(*cp)) /* move to next field */
|
|
cp++;
|
|
|
|
*latlonstrptr = cp;
|
|
|
|
return (retval);
|
|
}
|
|
|
|
/* converts a zone file representation in a string to an RDATA on-the-wire
|
|
* representation. */
|
|
int
|
|
loc_aton(ascii, binary)
|
|
const char *ascii;
|
|
u_char *binary;
|
|
{
|
|
const char *cp, *maxcp;
|
|
u_char *bcp;
|
|
|
|
u_int32_t latit = 0, longit = 0, alt = 0;
|
|
u_int32_t lltemp1 = 0, lltemp2 = 0;
|
|
int altmeters = 0, altfrac = 0, altsign = 1;
|
|
u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */
|
|
u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */
|
|
u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */
|
|
int which1 = 0, which2 = 0;
|
|
|
|
cp = ascii;
|
|
maxcp = cp + strlen(ascii);
|
|
|
|
lltemp1 = latlon2ul(&cp, &which1);
|
|
|
|
lltemp2 = latlon2ul(&cp, &which2);
|
|
|
|
switch (which1 + which2) {
|
|
case 3: /* 1 + 2, the only valid combination */
|
|
if ((which1 == 1) && (which2 == 2)) { /* normal case */
|
|
latit = lltemp1;
|
|
longit = lltemp2;
|
|
} else if ((which1 == 2) && (which2 == 1)) { /* reversed */
|
|
longit = lltemp1;
|
|
latit = lltemp2;
|
|
} else { /* some kind of brokenness */
|
|
return (0);
|
|
}
|
|
break;
|
|
default: /* we didn't get one of each */
|
|
return (0);
|
|
}
|
|
|
|
/* altitude */
|
|
if (*cp == '-') {
|
|
altsign = -1;
|
|
cp++;
|
|
}
|
|
|
|
if (*cp == '+')
|
|
cp++;
|
|
|
|
while (isdigit(*cp))
|
|
altmeters = altmeters * 10 + (*cp++ - '0');
|
|
|
|
if (*cp == '.') { /* decimal meters */
|
|
cp++;
|
|
if (isdigit(*cp)) {
|
|
altfrac = (*cp++ - '0') * 10;
|
|
if (isdigit(*cp)) {
|
|
altfrac += (*cp++ - '0');
|
|
}
|
|
}
|
|
}
|
|
|
|
alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
|
|
|
|
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
|
cp++;
|
|
|
|
while (isspace(*cp) && (cp < maxcp))
|
|
cp++;
|
|
|
|
if (cp >= maxcp)
|
|
goto defaults;
|
|
|
|
siz = precsize_aton(&cp);
|
|
|
|
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
|
cp++;
|
|
|
|
while (isspace(*cp) && (cp < maxcp))
|
|
cp++;
|
|
|
|
if (cp >= maxcp)
|
|
goto defaults;
|
|
|
|
hp = precsize_aton(&cp);
|
|
|
|
while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
|
|
cp++;
|
|
|
|
while (isspace(*cp) && (cp < maxcp))
|
|
cp++;
|
|
|
|
if (cp >= maxcp)
|
|
goto defaults;
|
|
|
|
vp = precsize_aton(&cp);
|
|
|
|
defaults:
|
|
|
|
bcp = binary;
|
|
*bcp++ = (u_int8_t) 0; /* version byte */
|
|
*bcp++ = siz;
|
|
*bcp++ = hp;
|
|
*bcp++ = vp;
|
|
PUTLONG(latit,bcp);
|
|
PUTLONG(longit,bcp);
|
|
PUTLONG(alt,bcp);
|
|
|
|
return (16); /* size of RR in octets */
|
|
}
|
|
|
|
/* takes an on-the-wire LOC RR and formats it in a human readable format. */
|
|
const char *
|
|
loc_ntoa(binary, ascii)
|
|
const u_char *binary;
|
|
char *ascii;
|
|
{
|
|
static char *error = "?";
|
|
register const u_char *cp = binary;
|
|
|
|
int latdeg, latmin, latsec, latsecfrac;
|
|
int longdeg, longmin, longsec, longsecfrac;
|
|
char northsouth, eastwest;
|
|
int altmeters, altfrac, altsign;
|
|
|
|
const int referencealt = 100000 * 100;
|
|
|
|
int32_t latval, longval, altval;
|
|
u_int32_t templ;
|
|
u_int8_t sizeval, hpval, vpval, versionval;
|
|
|
|
char *sizestr, *hpstr, *vpstr;
|
|
|
|
versionval = *cp++;
|
|
|
|
if (versionval) {
|
|
sprintf(ascii, "; error: unknown LOC RR version");
|
|
return (ascii);
|
|
}
|
|
|
|
sizeval = *cp++;
|
|
|
|
hpval = *cp++;
|
|
vpval = *cp++;
|
|
|
|
GETLONG(templ, cp);
|
|
latval = (templ - ((unsigned)1<<31));
|
|
|
|
GETLONG(templ, cp);
|
|
longval = (templ - ((unsigned)1<<31));
|
|
|
|
GETLONG(templ, cp);
|
|
if (templ < (u_int32_t) referencealt) { /* below WGS 84 spheroid */
|
|
altval = referencealt - templ;
|
|
altsign = -1;
|
|
} else {
|
|
altval = templ - referencealt;
|
|
altsign = 1;
|
|
}
|
|
|
|
if (latval < 0) {
|
|
northsouth = 'S';
|
|
latval = -latval;
|
|
} else
|
|
northsouth = 'N';
|
|
|
|
latsecfrac = latval % 1000;
|
|
latval = latval / 1000;
|
|
latsec = latval % 60;
|
|
latval = latval / 60;
|
|
latmin = latval % 60;
|
|
latval = latval / 60;
|
|
latdeg = latval;
|
|
|
|
if (longval < 0) {
|
|
eastwest = 'W';
|
|
longval = -longval;
|
|
} else
|
|
eastwest = 'E';
|
|
|
|
longsecfrac = longval % 1000;
|
|
longval = longval / 1000;
|
|
longsec = longval % 60;
|
|
longval = longval / 60;
|
|
longmin = longval % 60;
|
|
longval = longval / 60;
|
|
longdeg = longval;
|
|
|
|
altfrac = altval % 100;
|
|
altmeters = (altval / 100) * altsign;
|
|
|
|
if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL)
|
|
sizestr = error;
|
|
if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL)
|
|
hpstr = error;
|
|
if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL)
|
|
vpstr = error;
|
|
|
|
sprintf(ascii,
|
|
"%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm",
|
|
latdeg, latmin, latsec, latsecfrac, northsouth,
|
|
longdeg, longmin, longsec, longsecfrac, eastwest,
|
|
altmeters, altfrac, sizestr, hpstr, vpstr);
|
|
|
|
if (sizestr != error)
|
|
free(sizestr);
|
|
if (hpstr != error)
|
|
free(hpstr);
|
|
if (vpstr != error)
|
|
free(vpstr);
|
|
|
|
return (ascii);
|
|
}
|
|
|
|
|
|
/* Return the number of DNS hierarchy levels in the name. */
|
|
int
|
|
__dn_count_labels(name)
|
|
char *name;
|
|
{
|
|
int i, len, count;
|
|
|
|
len = strlen(name);
|
|
|
|
for(i = 0, count = 0; i < len; i++) {
|
|
if (name[i] == '.')
|
|
count++;
|
|
}
|
|
|
|
/* don't count initial wildcard */
|
|
if (name[0] == '*')
|
|
if (count)
|
|
count--;
|
|
|
|
/* don't count the null label for root. */
|
|
/* if terminating '.' not found, must adjust */
|
|
/* count to include last label */
|
|
if (len > 0 && name[len-1] != '.')
|
|
count++;
|
|
return (count);
|
|
}
|
|
|
|
|
|
/*
|
|
* Make dates expressed in seconds-since-Jan-1-1970 easy to read.
|
|
* SIG records are required to be printed like this, by the Secure DNS RFC.
|
|
*/
|
|
char *
|
|
__p_secstodate (secs)
|
|
unsigned long secs;
|
|
{
|
|
static char output[15]; /* YYYYMMDDHHMMSS and null */
|
|
time_t clock = secs;
|
|
struct tm time;
|
|
|
|
__gmtime_r(&clock, &time);
|
|
time.tm_year += 1900;
|
|
time.tm_mon += 1;
|
|
sprintf(output, "%04d%02d%02d%02d%02d%02d",
|
|
time.tm_year, time.tm_mon, time.tm_mday,
|
|
time.tm_hour, time.tm_min, time.tm_sec);
|
|
return (output);
|
|
}
|