host.c revision 40f53fa8d9c6a4fc38c0014495e7a42b08f52481
/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: host.c,v 1.45 2000/08/01 01:11:16 tale Exp $ */
#include <config.h>
#include <stdlib.h>
#include <limits.h>
extern int h_errno;
#include <isc/commandline.h>
#include <dns/rdataclass.h>
#include <dns/rdataset.h>
#include <dns/rdatatype.h>
extern unsigned int timeout;
extern dns_messageid_t id;
extern dns_name_t rootorg;
extern isc_buffer_t rootbuf;
extern int sendcount;
extern int ndots;
extern int tries;
extern int lookup_counter;
extern int exitcode;
extern isc_taskmgr_t *taskmgr;
extern char *progname;
extern isc_task_t *global_task;
static const char *opcodetext[] = {
"QUERY",
"IQUERY",
"STATUS",
"RESERVED3",
"NOTIFY",
"UPDATE",
"RESERVED6",
"RESERVED7",
"RESERVED8",
"RESERVED9",
"RESERVED10",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15"
};
static const char *rcodetext[] = {
"NOERROR",
"FORMERR",
"SERVFAIL",
"NXDOMAIN",
"NOTIMPL",
"REFUSED",
"YXDOMAIN",
"YXRRSET",
"NXRRSET",
"NOTAUTH",
"NOTZONE",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15",
"BADVERS"
};
static const char *rtypetext[] = {
"zero", /* 0 */
"has address", /* 1 */
"name server", /* 2 */
"MD", /* 3 */
"MF", /* 4 */
"is an alias for", /* 5 */
"SOA", /* 6 */
"MB", /* 7 */
"MG", /* 8 */
"MR", /* 9 */
"NULL", /* 10 */
"has well known services", /* 11 */
"domain name pointer", /* 12 */
"host information", /* 13 */
"MINFO", /* 14 */
"mail is handled by", /* 15 */
"text", /* 16 */
"RP", /* 17 */
"AFSDB", /* 18 */
"x25 address", /* 19 */
"isdn address", /* 20 */
"RT", /* 21 */
"NSAP", /* 22 */
"NSAP_PTR", /* 23 */
"has signature", /* 24 */
"has key", /* 25 */
"PX", /* 26 */
"GPOS", /* 27 */
"has AAAA address", /* 28 */
"LOC", /* 29 */
"has next record", /* 30 */
"EID", /* 31 */
"NIMLOC", /* 32 */
"SRV", /* 33 */
"ATMA", /* 34 */
"NAPTR", /* 35 */
"KX", /* 36 */
"CERT", /* 37 */
"has v6 address", /* 38 */
"DNAME", /* 39 */
"has optional information", /* 41 */
"has 42 record", /* 42 */
"has 43 record", /* 43 */
"has 44 record", /* 44 */
"has 45 record", /* 45 */
"has 46 record", /* 46 */
"has 47 record", /* 47 */
"has 48 record", /* 48 */
"has 49 record", /* 49 */
"has 50 record", /* 50 */
"has 51 record", /* 51 */
"has 52 record", /* 52 */
"has 53 record", /* 53 */
"has 54 record", /* 54 */
"has 55 record", /* 55 */
"has 56 record", /* 56 */
"has 57 record", /* 57 */
"has 58 record", /* 58 */
"has 59 record", /* 59 */
"has 60 record", /* 60 */
"has 61 record", /* 61 */
"has 62 record", /* 62 */
"has 63 record", /* 63 */
"has 64 record", /* 64 */
"has 65 record", /* 65 */
"has 66 record", /* 66 */
"has 67 record", /* 67 */
"has 68 record", /* 68 */
"has 69 record", /* 69 */
"has 70 record", /* 70 */
"has 71 record", /* 71 */
"has 72 record", /* 72 */
"has 73 record", /* 73 */
"has 74 record", /* 74 */
"has 75 record", /* 75 */
"has 76 record", /* 76 */
"has 77 record", /* 77 */
"has 78 record", /* 78 */
"has 79 record", /* 79 */
"has 80 record", /* 80 */
"has 81 record", /* 81 */
"has 82 record", /* 82 */
"has 83 record", /* 83 */
"has 84 record", /* 84 */
"has 85 record", /* 85 */
"has 86 record", /* 86 */
"has 87 record", /* 87 */
"has 88 record", /* 88 */
"has 89 record", /* 89 */
"has 90 record", /* 90 */
"has 91 record", /* 91 */
"has 92 record", /* 92 */
"has 93 record", /* 93 */
"has 94 record", /* 94 */
"has 95 record", /* 95 */
"has 96 record", /* 96 */
"has 97 record", /* 97 */
"has 98 record", /* 98 */
"has 99 record", /* 99 */
"UNIFO", /* 100 */
"UID", /* 101 */
"GID", /* 102 */
"UNSPEC"}; /* 103 */
static void
show_usage(void) {
"Usage: host [-aCdlrTwv] [-c class] [-N ndots] [-t type] [-W time]\n"
" [-R number] hostname [server]\n"
" -a is equivalent to -v -t *\n"
" -c specifies query class for non-IN data\n"
" -C compares SOA records on authorative nameservers\n"
" -d is equivalent to -v\n"
" -l lists all hosts in a domain, using AXFR\n"
" -N changes the number of dots allowed before root lookup is done\n"
" -r disables recursive processing\n"
" -R specifies number of retries for UDP packets\n"
" -t specifies the query type\n"
" -v enables verbose output\n"
" -w specifies to wait forever for a reply\n"
" -W specifies how long to wait for a reply\n", stderr);
}
void
dighost_shutdown(void) {
}
void
int diff;
if ((!short_form) || (show_details)) {
printf("Received %u bytes from %.*s in %d ms\n",
}
}
void
if (!short_form)
}
static void
{
isc_region_t r, r2;
isc_buffer_usedregion(b, &r);
}
printf ("\n");
isc_buffer_free(&b);
}
static isc_result_t
{
isc_region_t r;
char t[4096];
const char *rtt;
if (sectionid == DNS_SECTION_QUESTION)
else
if (headers)
if (result == ISC_R_NOMORE)
return (ISC_R_SUCCESS);
else if (result != ISC_R_SUCCESS)
return (result);
for (;;) {
isc_buffer_init(&target, t, sizeof(t));
print_name = name;
if (!short_form) {
&target);
if (result != ISC_R_SUCCESS)
return (result);
#ifdef USEINITALWS
if (first) {
print_name = &empty_name;
}
#else
#endif
} else {
while (loopresult == ISC_R_SUCCESS) {
rtt = "key";
rtt = "signature";
else
rtt = "unknown";
}
}
}
if (!short_form) {
isc_buffer_usedregion(&target, &r);
if (no_rdata)
(char *)r.base);
else
}
if (result == ISC_R_NOMORE)
break;
else if (result != ISC_R_SUCCESS)
return (result);
}
return (ISC_R_SUCCESS);
}
static isc_result_t
{
isc_region_t r;
char t[4096];
if (headers)
isc_buffer_init(&target, t, sizeof(t));
&target);
if (result != ISC_R_SUCCESS)
return (result);
isc_buffer_usedregion(&target, &r);
return (ISC_R_SUCCESS);
}
isc_buffer_t *b = NULL;
isc_region_t r;
/*
* Exitcode 9 means we timed out, but if we're printing a message,
* we much have recovered. Go ahead and reset it to code 0, and
* call this a success.
*/
if (exitcode == 9)
exitcode = 0;
b);
isc_buffer_usedregion(b, &r);
printf("Host %.*s not found: %d(%s)\n",
isc_buffer_free(&b);
return (ISC_R_SUCCESS);
}
if (!short_form) {
printf(";; ->>HEADER<<- opcode: %s, status: %s, id: %u\n",
printf(";; flags: ");
printf("qr");
}
}
}
}
}
}
}
printf("; QUERY: %u, ANSWER: %u, "
"AUTHORITY: %u, ADDITIONAL: %u\n",
printf(";; EDNS: version: %u, udp=%u\n",
printf(";; PSEUDOSECTIONS: TSIG\n");
}
!short_form) {
printf("\n");
if (result != ISC_R_SUCCESS)
return (result);
}
if (!short_form)
printf("\n");
if (result != ISC_R_SUCCESS)
return (result);
}
!short_form) {
printf("\n");
if (result != ISC_R_SUCCESS)
return (result);
}
!short_form) {
printf("\n");
if (result != ISC_R_SUCCESS)
return (result);
}
printf("\n");
"PSEUDOSECTION TSIG", ISC_TRUE);
if (result != ISC_R_SUCCESS)
return (result);
}
if (!short_form)
printf("\n");
return (result);
}
static void
int i, c, n, adrs[4];
lookup = make_empty_lookup();
!= EOF) {
switch (c) {
case 'l':
break;
case 'v':
case 'd':
break;
case 'r':
break;
case 't':
(isc_textregion_t *)&tr);
if (result != ISC_R_SUCCESS)
else
break;
case 'c':
(isc_textregion_t *)&tr);
if (result != ISC_R_SUCCESS)
else
break;
case 'a':
break;
case 'w':
/*
* The timer routines are coded such that
* timeout==MAXINT doesn't enable the timer
*/
break;
case 'W':
if (timeout < 1)
timeout = 1;
break;
case 'R':
if (tries < 1)
tries = 1;
break;
case 'T':
break;
case 'C':
debug("showing all SOAs");
break;
case 'N':
debug("setting NDOTS to %s",
break;
case 'D':
break;
}
}
if (isc_commandline_index >= argc) {
show_usage();
}
}
/*
* XXXMWS Add IPv6 translation here, probably using inet_pton
* to extract the formatted text.
*/
if (n == 0) {
show_usage();
}
for (i = n - 1; i >= 0; i--) {
adrs[i]);
}
} else {
}
}
int
debug("main()");
result = isc_app_start();
setup_libs();
setup_system();
isc_app_run();
cancel_all();
destroy_libs();
return (0);
}