424 lines
12 KiB
C
424 lines
12 KiB
C
/*
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* ++Copyright++ 1986
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* -
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* Copyright (c) 1986
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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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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1986 Regents of the University of California.\n\
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portions Copyright (c) 1993 Digital Equipment Corporation\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)nstest.c 4.15 (Berkeley) 3/21/91";
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static char rcsid[] = "$Id: nstest.c,v 1.2 1994/09/22 20:45:31 pst Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <arpa/nameser.h>
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#include <stdio.h>
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#include <resolv.h>
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char *progname;
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FILE *log;
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#define MAXDATA 256 /* really should get this from named/db.h */
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main(argc, argv)
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char **argv;
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{
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register char *cp;
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register u_char *ucp;
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struct hostent *hp;
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u_short port = htons(NAMESERVER_PORT);
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char buf[BUFSIZ];
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u_char packet[PACKETSZ], answer[8*1024], OldRRData[MAXDATA];
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struct rrec NewRR;
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u_int32_t l;
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int n, dump_packet;
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NewRR.r_data = (char *) malloc(MAXDATA);
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NewRR.r_data = (char *) malloc(MAXDATA);
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progname = argv[0];
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dump_packet = 0;
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_res.options |= RES_DEBUG|RES_RECURSE;
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(void) res_init();
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while (argc > 1 && argv[1][0] == '-') {
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argc--;
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cp = *++argv;
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while (*++cp)
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switch (*cp) {
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case 'p':
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if (--argc <= 0)
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usage();
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port = htons(atoi(*++argv));
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break;
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case 'i':
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_res.options |= RES_IGNTC;
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break;
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case 'v':
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_res.options |= RES_USEVC|RES_STAYOPEN;
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break;
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case 'r':
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_res.options &= ~RES_RECURSE;
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break;
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case 'd':
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dump_packet++;
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break;
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default:
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usage();
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}
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}
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_res.nsaddr.sin_family = AF_INET;
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_res.nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
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_res.nsaddr.sin_port = port;
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if (argc > 1) {
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if (!inet_aton(argv[1],
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(struct in_addr *)&_res.nsaddr.sin_addr))
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usage();
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}
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if (argc > 2) {
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log = fopen(argv[2],"w");
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if (log == NULL) perror(argv[2]);
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}
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for (;;) {
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printf("> ");
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fflush(stdout);
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if ((cp = fgets(buf, sizeof buf, stdin)) == NULL)
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break;
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switch (*cp++) {
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case 'a':
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n = res_mkquery(QUERY, cp, C_IN, T_A, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'A':
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n = ntohl(inet_addr(cp));
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putlong((u_int32_t)n, (u_char*)cp);
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n = res_mkquery(IQUERY, "", C_IN, T_A, (u_char *)cp,
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INT32SZ, NULL,
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packet, sizeof(packet));
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break;
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case 'f':
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n = res_mkquery(QUERY, cp, C_ANY, T_UINFO, NULL,
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0, NULL, packet, sizeof packet);
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break;
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case 'F':
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n = res_mkquery(QUERY, cp, C_IN, T_AFSDB, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'g':
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n = res_mkquery(QUERY, cp, C_ANY, T_GID, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'G':
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*(int *)cp = htonl(atoi(cp));
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n = res_mkquery(IQUERY, "", C_ANY, T_GID, (u_char *)cp,
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sizeof(int), NULL, packet, sizeof packet);
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break;
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case 'c':
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n = res_mkquery(QUERY, cp, C_IN, T_CNAME, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'h':
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n = res_mkquery(QUERY, cp, C_IN, T_HINFO, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'm':
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n = res_mkquery(QUERY, cp, C_IN, T_MX, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'M':
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n = res_mkquery(QUERY, cp, C_IN, T_MAILB, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'n':
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n = res_mkquery(QUERY, cp, C_IN, T_NS, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'p':
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n = res_mkquery(QUERY, cp, C_IN, T_PTR, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 's':
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n = res_mkquery(QUERY, cp, C_IN, T_SOA, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'T':
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n = res_mkquery(QUERY, cp, C_IN, T_TXT, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'u':
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n = res_mkquery(QUERY, cp, C_ANY, T_UID, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'U':
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*(int *)cp = htonl(atoi(cp));
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n = res_mkquery(IQUERY, "", C_ANY, T_UID, (u_char *)cp,
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sizeof(int), NULL,
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packet, sizeof packet);
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break;
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case 'x':
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n = res_mkquery(QUERY, cp, C_IN, T_AXFR, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'w':
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n = res_mkquery(QUERY, cp, C_IN, T_WKS, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'b':
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n = res_mkquery(QUERY, cp, C_IN, T_MB, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'B':
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n = res_mkquery(QUERY, cp, C_IN, T_MG, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'i':
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n = res_mkquery(QUERY, cp, C_IN, T_MINFO, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case 'r':
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n = res_mkquery(QUERY, cp, C_IN, T_MR, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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case '*':
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n = res_mkquery(QUERY, cp, C_IN, T_ANY, NULL, 0,
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NULL, packet, sizeof packet);
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break;
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#ifdef ALLOW_UPDATES
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case '^':
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{
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char IType[10], TempStr[50];
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int Type, oldnbytes, nbytes, i;
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#ifdef ALLOW_T_UNSPEC
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printf("Data type (a = T_A, u = T_UNSPEC): ");
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gets(IType);
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if (IType[0] == 'u') {
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Type = T_UNSPEC;
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printf("How many data bytes? ");
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gets(TempStr); /* Throw away CR */
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sscanf(TempStr, "%d", &nbytes);
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for (i = 0; i < nbytes; i++) {
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(NewRR.r_data)[i] = (char) i;
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}
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} else {
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#endif /* ALLOW_T_UNSPEC */
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Type = T_A;
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nbytes = INT32SZ;
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printf(
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"Inet addr for new dname (e.g., 192.4.3.2): "
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);
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gets(TempStr);
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putlong(ntohl(inet_addr(TempStr)),
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NewRR.r_data);
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#ifdef ALLOW_T_UNSPEC
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}
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#endif
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NewRR.r_class = C_IN;
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NewRR.r_type = Type;
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NewRR.r_size = nbytes;
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NewRR.r_ttl = 99999999;
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printf("Add, modify, or modify all (a/m/M)? ");
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gets(TempStr);
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if (TempStr[0] == 'a') {
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n = res_mkquery(UPDATEA, cp, C_IN, Type,
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OldRRData, nbytes,
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&NewRR, packet,
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sizeof packet);
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} else {
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if (TempStr[0] == 'm') {
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printf("How many data bytes in old RR? ");
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gets(TempStr); /* Throw away CR */
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sscanf(TempStr, "%d", &oldnbytes);
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for (i = 0; i < oldnbytes; i++) {
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OldRRData[i] = (char) i;
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}
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n = res_mkquery(UPDATEM, cp,
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C_IN, Type,
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OldRRData, oldnbytes,
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&NewRR, packet,
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sizeof packet);
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} else { /* Modify all */
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n = res_mkquery(UPDATEMA, cp,
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C_IN, Type, NULL, 0,
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&NewRR, packet,
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sizeof packet);
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}
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}
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}
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break;
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#ifdef ALLOW_T_UNSPEC
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case 'D':
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n = res_mkquery(UPDATEDA, cp, C_IN, T_UNSPEC,
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(char *)0, 0, NULL,
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packet, sizeof packet);
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break;
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case 'd':
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{
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char TempStr[100];
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int nbytes, i;
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printf("How many data bytes in oldrr data? ");
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gets(TempStr); /* Throw away CR */
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sscanf(TempStr, "%d", &nbytes);
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for (i = 0; i < nbytes; i++) {
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OldRRData[i] = (char) i;
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}
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n = res_mkquery(UPDATED, cp, C_IN, T_UNSPEC,
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OldRRData, nbytes, NULL,
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packet, sizeof packet);
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}
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break;
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#endif /* ALLOW_T_UNSPEC */
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#endif /* ALLOW_UPDATES */
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default:
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printf("a{host} - query T_A\n");
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printf("A{addr} - iquery T_A\n");
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printf("b{user} - query T_MB\n");
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printf("B{user} - query T_MG\n");
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printf("f{host} - query T_UINFO\n");
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printf("g{host} - query T_GID\n");
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printf("G{gid} - iquery T_GID\n");
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printf("h{host} - query T_HINFO\n");
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printf("i{host} - query T_MINFO\n");
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printf("p{host} - query T_PTR\n");
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printf("m{host} - query T_MX\n");
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printf("M{host} - query T_MAILB\n");
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printf("n{host} - query T_NS\n");
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printf("r{host} - query T_MR\n");
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printf("s{host} - query T_SOA\n");
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printf("T{host} - query T_TXT\n");
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printf("u{host} - query T_UID\n");
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printf("U{uid} - iquery T_UID\n");
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printf("x{host} - query T_AXFR\n");
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printf("w{host} - query T_WKS\n");
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printf("F{host} - query T_AFSDB\n");
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printf("c{host} - query T_CNAME\n");
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printf("*{host} - query T_ANY\n");
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#ifdef ALLOW_UPDATES
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printf("^{host} - add/mod/moda (T_A/T_UNSPEC)\n");
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#ifdef ALLOW_T_UNSPEC
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printf("D{host} - deletea T_UNSPEC\n");
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printf("d{host} - delete T_UNSPEC\n");
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#endif /* ALLOW_T_UNSPEC */
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#endif /* ALLOW_UPDATES */
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continue;
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}
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if (n < 0) {
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printf("res_mkquery: buffer too small\n");
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continue;
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}
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if (log) {
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fprintf(log,"SEND QUERY\n");
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fp_query(packet, log);
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}
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n = res_send(packet, n, answer, sizeof(answer));
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if (n < 0) {
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printf("res_send: send error\n");
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if (log) fprintf(log, "res_send: send error\n");
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}
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else {
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if (dump_packet) {
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int f;
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f = creat("ns_packet.dump", 0644);
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write(f, answer, n);
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(void) close(f);
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}
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if (log) {
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fprintf(log, "GOT ANSWER\n");
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fp_query(answer, log);
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}
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}
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}
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}
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usage()
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{
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fprintf(stderr, "Usage: %s [-v] [-i] [-r] [-d] [-p port] hostaddr\n",
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progname);
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exit(1);
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}
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