0761cb293e
in preparation for its removal from the kernel source tree. NB: because a function was deleted, libc is now at version 3.0 (was 2.2 previously).
807 lines
19 KiB
C
807 lines
19 KiB
C
/*-
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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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* --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: res_debug.c,v 1.6 1996/01/07 09:14:55 peter Exp $";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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#include <netinet/in.h>
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#ifdef ISO
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#include <netiso/iso.h>
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#endif
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#include <arpa/inet.h>
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#include <arpa/nameser.h>
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#include <stdio.h>
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#include <netdb.h>
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#include <resolv.h>
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#include <string.h>
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#include "res_config.h"
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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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/*
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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 = cp + 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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}
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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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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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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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const u_char *
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__p_cdnname(cp, msg, len, file)
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const u_char *cp, *msg;
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int len;
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FILE *file;
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{
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char name[MAXDNAME];
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int n;
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if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
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return (NULL);
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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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}
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const u_char *
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__p_cdname(cp, msg, file)
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const u_char *cp, *msg;
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FILE *file;
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{
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return (p_cdnname(cp, msg, PACKETSZ, file));
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}
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/* XXX: the rest of these functions need to become length-limited, too. (vix)
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*/
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const u_char *
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__p_fqname(cp, msg, file)
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const u_char *cp, *msg;
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FILE *file;
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{
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char name[MAXDNAME];
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int n;
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if ((n = dn_expand(msg, cp + MAXCDNAME, cp, name, sizeof name)) < 0)
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return (NULL);
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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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if (name[strlen(name) - 1] != '.')
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putc('.', file);
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}
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return (cp + n);
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}
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/*
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* Print resource record fields in human readable form.
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*/
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const u_char *
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__p_rr(cp, msg, file)
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const u_char *cp, *msg;
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FILE *file;
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{
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int type, class, dlen, n, c;
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struct in_addr inaddr;
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#ifdef ISO
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struct iso_addr isoa;
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#endif
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const u_char *cp1, *cp2;
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u_int32_t tmpttl, t;
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int lcnt;
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if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
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h_errno = NETDB_INTERNAL;
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return (NULL);
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}
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if ((cp = p_fqname(cp, msg, file)) == NULL)
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return (NULL); /* compression error */
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type = _getshort((u_char*)cp);
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cp += INT16SZ;
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class = _getshort((u_char*)cp);
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cp += INT16SZ;
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tmpttl = _getlong((u_char*)cp);
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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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cp1 = cp;
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID))
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fprintf(file, "\t%lu", (u_long)tmpttl);
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if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS))
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fprintf(file, "\t%s", __p_class(class));
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fprintf(file, "\t%s", __p_type(type));
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/*
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* Print type specific data, if appropriate
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*/
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switch (type) {
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case T_A:
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switch (class) {
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case C_IN:
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case C_HS:
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bcopy(cp, (char *)&inaddr, INADDRSZ);
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if (dlen == 4) {
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fprintf(file, "\t%s", inet_ntoa(inaddr));
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cp += dlen;
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} else if (dlen == 7) {
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char *address;
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u_char protocol;
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u_short port;
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address = inet_ntoa(inaddr);
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cp += INADDRSZ;
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protocol = *(u_char*)cp;
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cp += sizeof(u_char);
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port = _getshort((u_char*)cp);
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cp += INT16SZ;
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fprintf(file, "\t%s\t; proto %d, port %d",
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address, protocol, port);
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}
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break;
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default:
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cp += dlen;
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}
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break;
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case T_CNAME:
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case T_MB:
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case T_MG:
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case T_MR:
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case T_NS:
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case T_PTR:
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putc('\t', file);
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if ((cp = p_fqname(cp, msg, file)) == NULL)
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return (NULL);
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break;
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case T_HINFO:
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case T_ISDN:
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cp2 = cp + dlen;
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if (n = *cp++) {
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fprintf(file, "\t%.*s", n, cp);
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cp += n;
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}
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if ((cp < cp2) && (n = *cp++)) {
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fprintf(file, "\t%.*s", n, cp);
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cp += n;
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} else if (type == T_HINFO)
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fprintf(file, "\n;; *** Warning *** OS-type missing");
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break;
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case T_SOA:
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putc('\t', file);
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if ((cp = p_fqname(cp, msg, file)) == NULL)
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return (NULL);
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putc(' ', file);
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if ((cp = p_fqname(cp, msg, file)) == NULL)
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return (NULL);
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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_TXT:
|
|
case T_X25:
|
|
(void) fputs("\t\"", file);
|
|
cp2 = cp1 + dlen;
|
|
while (cp < cp2) {
|
|
if (n = (unsigned char) *cp++) {
|
|
for (c = n; c > 0 && cp < cp2; c--)
|
|
if ((*cp == '\n') || (*cp == '"')) {
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
} else
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
putc('"', file);
|
|
break;
|
|
|
|
#ifdef ISO
|
|
case T_NSAP:
|
|
isoa.isoa_len = dlen;
|
|
if (isoa.isoa_len > sizeof(isoa.isoa_genaddr))
|
|
isoa.isoa_len = sizeof(isoa.isoa_genaddr);
|
|
bcopy(cp, isoa.isoa_genaddr, isoa.isoa_len);
|
|
(void) fprintf(file, "\t%s", iso_ntoa(&isoa));
|
|
cp += dlen;
|
|
break;
|
|
#endif
|
|
|
|
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;
|
|
|
|
#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 %d, dlen was %d)\n",
|
|
cp - cp1, dlen);
|
|
cp = NULL;
|
|
}
|
|
return (cp);
|
|
}
|
|
|
|
/*
|
|
* Return a string for the type
|
|
*/
|
|
const char *
|
|
__p_type(type)
|
|
int type;
|
|
{
|
|
static char nbuf[20];
|
|
|
|
switch (type) {
|
|
case T_A: return "A";
|
|
case T_NS: return "NS";
|
|
case T_CNAME: return "CNAME";
|
|
case T_SOA: return "SOA";
|
|
case T_MB: return "MB";
|
|
case T_MG: return "MG";
|
|
case T_MR: return "MR";
|
|
case T_NULL: return "NULL";
|
|
case T_WKS: return "WKS";
|
|
case T_PTR: return "PTR";
|
|
case T_HINFO: return "HINFO";
|
|
case T_MINFO: return "MINFO";
|
|
case T_MX: return "MX";
|
|
case T_TXT: return "TXT";
|
|
case T_RP: return "RP";
|
|
case T_AFSDB: return "AFSDB";
|
|
case T_X25: return "X25";
|
|
case T_ISDN: return "ISDN";
|
|
case T_RT: return "RT";
|
|
case T_NSAP: return "NSAP";
|
|
case T_NSAP_PTR: return "NSAP_PTR";
|
|
case T_SIG: return "SIG";
|
|
case T_KEY: return "KEY";
|
|
case T_PX: return "PX";
|
|
case T_GPOS: return "GPOS";
|
|
case T_AAAA: return "AAAA";
|
|
case T_LOC: return "LOC";
|
|
case T_AXFR: return "AXFR";
|
|
case T_MAILB: return "MAILB";
|
|
case T_MAILA: return "MAILA";
|
|
case T_ANY: return "ANY";
|
|
case T_UINFO: return "UINFO";
|
|
case T_UID: return "UID";
|
|
case T_GID: return "GID";
|
|
#ifdef ALLOW_T_UNSPEC
|
|
case T_UNSPEC: return "UNSPEC";
|
|
#endif /* ALLOW_T_UNSPEC */
|
|
default: (void)sprintf(nbuf, "%d", type); return (nbuf);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return a mnemonic for class
|
|
*/
|
|
const char *
|
|
__p_class(class)
|
|
int class;
|
|
{
|
|
static char nbuf[20];
|
|
|
|
switch (class) {
|
|
case C_IN: return "IN";
|
|
case C_HS: return "HS";
|
|
case C_ANY: return "ANY";
|
|
default: (void)sprintf(nbuf, "%d", class); return (nbuf);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
char *
|
|
__p_time(value)
|
|
u_int32_t value;
|
|
{
|
|
static char nbuf[40];
|
|
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);
|
|
}
|